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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Features
n Low Dropout Voltage: 180mV@300mA (V O=3.3V) n Output Voltage Accuracy within 2% n Quiescent Current : 65 A Typ. n High PSRR: 70dB@1kHz n Excellent Line and Load Regulation n Fast Response n Current Limiting n Short Circuit Protection n Low Temperature Coefficient n Shutdown Current : 0.5 A n Thermal Shutdown n Space Saving Package: SOT-23 , SOT-89 and SC70 n Pb-Free Package
General Description
The PAM3101 series of positive voltage linear regulators feature low quiescent current (65 A Typ.) and low dropout voltage, making them ideal for battery powered applications. Their high PSRR make them useful in applications where AC noise on the input power supply must be suppressed. Space-saving SOT-23, SOT-89 and SC70 packages are attractive for portable and handheld applications. They have both thermal shutdown and current limit features to prevent device failure from extreme operating conditions. They are stable with an output capacitor of 2.2 F or greater.
Applications
n n n n n n n
Cordless Phones Cellular Phones Bluetooth Earphones Digital Cameras Portable Electronics WLANs MP3 Players
Typical Application
IN
Block Diagram
OUT
VIN VOUT PAM3101 EN
C IN 1F
VIN
VOUT
GND
BYP
C BYP 10nF CO 2.2 F
OverCurrent Shutdown
EN BYP
IN
Thermal Protection
Amp GND
VIN VOUT PAM3101 GND
C IN 1F
OUT
Bandgap
CO 2.2 F
Power Analog Microelectronics , Inc
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Pin Configuration & Marking Information
Top View SOT23-3 3 Top View SOT23-5 5 4
AAVYW
AAVYW
1
2
1
2
3
Top View SOT89-3 5
Top View SOT89-5 4
AA: Product Code of PAM3101 V: Voltage Code X: Internal Code Y: Year W: Week
P3101V XXXYW
P3101V XXXYW
1
2
3
1
2
3
Top View SC70-3L 3
Top View SC70-4L
Top View SC70-5L
4
3
5
4
AAVYW
1 2
AAVYW
1 2
1
AAVYW
2 3
Power Analog Microelectronics , Inc
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Pin Configuration Available
Pin 1 GND SOT23-3 VIN VOUT SOT89-3 SOT23-5 SOT89-5 SC70-3L SC70-4L SC70-5L GND VOUT VIN VOUT VIN EN VIN 2 VOUT VOUT GND VIN GND GND GND VOUT GND GND 3 VIN GND VIN VOUT VIN EN NC GND VOUT EN VIN BYP VOUT BYP EN VOUT VIN 4 5
Pin Descriptions
Name VIN GND VOUT EN BYP NC Input Ground Output Chip Enable (active high) Bypass Pin, need a 10nF capacitor connect to GND No Connection Function
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Absolute Maximum Ratings
These are stress ratings only and functional operation is not implied . Exposure to absolute maximum ratings for prolonged time periods may affect device reliability . All voltages are with respect to ground . Input Voltage...............................................6.6V Output Current ......................................... 300mA Output Pin Voltage ............ GND-0.3V to V IN+0.3V Lead Soldering Temperature (5sec)....... .... 300 C Storage Temperature .................- 65 C to 150 C ESD Rating ............................................ Class B
Recommended Operating Conditions
Max. Supply Voltage (for Max. duration of 30 minutes)................................................6.4V Junction Temperature.................-40 C to 125 C Ambient Temperature....................-40 C to 85 C
Thermal Information
Parameter Thermal Resistance (Junction to Case) Symbol JC Package SOT-23 SOT-89 SC70 SOT-23 Thermal Resistance (Junction to Ambient) JA SOT-89 SC70 SOT-23 Internal Power Dissipation PD SOT-89 SC70 Maximum 130 100 TBD 250 180 300 400 550 300 mW C/W C/W Unit
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Electrical Characteristic
V IN= V O+1V, T A= 25 C , C IN= 1 F, C O= 2.2 F, unless otherwise noted
PARAMETER Input Voltage Output Voltage Accuracy Output Current SYMBOL Test Conditions V IN Vo IO Vo=1.5V Dropout Voltage Vdrop Io =300mA Vo=1.8V 2.5VVo<3.3V Vo3.3V Ground Current Quiescent Current IGND IQ Io=1mA to 300mA Io=0mA Io=1mA, Vo<2V, V IN = 2.8V to 3.8V Line Regulation LNR Io=1mA, 2VVo<3.3V, V IN = Vo+0.5V to Vo+1V Io=1mA, Vo3.3V, V IN =Vo+0.5V to Vo+1V Load Regulation Temperature Coefficient Over Temperature Shutdown Over Temperature Hysteresis Power Supply Ripple Rejection Output Noise EN Input High Threshold EN Input Low Threshold Shutdown Current LDR Tc OTS OTH PSRR Vn V IH V IL ISD Io=1mA to 300mA, Vo2V Io=1mA to 300mA, Vo<2V Io=1mA Io=1mA Io=1mA Io=100mA C BYP=10nF Vo=3.3V V IN =2.5V to 5V V IN =2.5V to 5V V EN =0V 0.01 f=100Hz f=1kHz -0.15 -0.1 -0.4 -2 Io=1mA MIN Note 1 -2 300 1150 850 370 180 70 65 0.1 0.03 0.2 1 30 40 150 30 70 65 50 1.5 0.3 1 dB Vrms V V A TYP MAX 5.5 2 Note 2 1400 1100 450 230 90 90 0.15 0.1 0.4 2 60 % mV ppm/ C
O O O
UNITS V % mA
mV
A A
%/V
C C
f =10Hz to 100kHz, CBYP=10nF
Note1: The minimum input voltage ( V IN(MIN)) of the PAM3101 is determined by output voltage and dropout voltage. The minimum input voltage is defined as : V IN(MIN)=V O+V drop Note 2: Output current is limited by P D, maximum I O=P D/( V IN(MAX)-V O).
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Typical Performance Characteristics
T A=25C, V EN=V IN, C IN=1 F, C O=2.2 F, C BYP=10nF , unless otherwise noted. 1. Output Voltage vs Input Voltage V O = 1.8V 2. Output Voltage vs Output Current V O = 1.8V
VIN=3V
1.85 1.8
1.82 1.8
Output Voltage (V)
1.75 IO=1mA 1.7 1.65 1.6 1.55 2 2.5 3 3.5 4 4.5 5 5.5 Input Voltage (V) IO=300mA IO=150mA
Output Voltage (V)
1.78 1.76 1.74 1.72 1.7 0 50 100 150 200 250 300 Output Current (mA) VIN=5V
VIN=4V
2.55 2.5
V O = 2.5V
2.52 2.5
V O = 2.5V
VIN=4V
Output Voltage (V)
2.45 2.4 2.35 2.3 IO=300mA 2.25 2.2 2 2.5 3 3.5 4 4.5 5 5.5 Input Voltage (V) IO=1mA IO=150mA
Output Voltage (V)
2.48 2.46 2.44 2.42 2.4 0 50 100 150 200 250 300 Output Current (mA) VIN=5V VIN=3V
3.35 3.3
V O = 3.3V
3.32 3.3
V O = 3.3V
VIN=4V
Output Voltage (V)
3.25 3.2 3.15 3.1 3.05 3 3 3.5 4 4.5 5 5.5 Input Voltage (V) IO=300mA IO=150mA IO=1mA
Output Voltage (V)
3.28 3.26 3.24 3.22 3.2 0 50 100 150 200 250 300 Output Current (mA) VIN=5V
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Typical Performance Characteristics
3. Output Voltage vs Temperature V O = 1.8V
VIN=3V,IO=30mA
1.82 1.8
100
Ground Current (A)
4. Ground Current vs Input Voltage V O = 1.8V
IO=300mA IO=150mA
90 80 70 60 50 40
Output Voltage (V)
1.78 1.76 1.74 1.72 1.7 25 45 65 85 105 125 Temperature () VIN=3V,IO=300mA
IO=1mA
2
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
2.52 2.5 Output Voltage (V) 2.48 2.46 2.44 2.42 2.4 25 45
V O = 2.5V
VIN=3V,IO=30mA
Ground Current (A)
90 85 80 75 70 65 60 55 50 45 40 2 2.5 3
V O = 2.5V
IO=150mA IO=300mA
VIN=3V,IO=300mA
IO=1mA
65
85
105
125
3.5
4
4.5
5
5.5
Temperature ()
Input Voltage (V)
3.32 3.3
V O = 3.3V
VIN=3.8V,IO=30mA
90 85
V O = 3.3V
Ground Current (A)
Output Voltage (V)
80 75 70 65 60 55 50 IO=150mA
IO=300mA
3.28 3.26 3.24 3.22 3.2 25 45 65 85 105 125 Temperature () VIN=3.8V,IO=300mA
IO=1mA
3
3.5
4
4.5
5
5.5
Input Voltage (V)
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Typical Performance Characteristics
5. Dropout Voltage vs Output Current V O = 1.8V
Dropout Voltage (mV)
1000 800 600 400 200 0 0
950 900 850 800 750 700
6. Dropout Voltage vs Temperature V O = 1.8V,I O=300mA
Dropout Voltage (V)
50
100
150
200
250
300
25
45
65
85
105
125
Output Current (mA)
Temperature ()
450 400
V O = 2.5V
Dropout Voltage (mV)
450 400 350 300 250 200
V O = 2.5V,I O=300mA
Dropout Voltage (mV)
350 300 250 200 150 100 50 0 0 50 100 150 200 250 300 Output Current (mA)
25
45
65
85
105
125
Temperature ()
200 180 140 120 100 80 60 40 20 0 0 50 160
V O = 3.3V
Dropout Voltage (mV)
250 200 150 100 50 0
V O = 3.3V,I O=300mA
Dropout Voltag (mV)
100
150
200
250
300
25
45
65
85
105
125
Output Current (mA)
Temperature ()
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Typical Performance Characteristics(continued)
7. Quiescent Current vs Input Voltage V O = 1.8V
Quiescent Current (A)
75 70
100 90 80 70 60 50
8. Quiescent Current vs Temperature V O = 1.8V
Quiescent Current (A)
65 60 55 50 45 40 35 30 2 2.5 3 3.5 4 4.5 5 5.5 Input Voltage (V)
25
45
65
85
105
125
Temperature ()
100
80 75
V O = 2.5V
Quiescent Current (A)
V O = 2.5V
Quiescent Current (A)
70 65 60 55 50 45 40 2 2.5 3 3.5 4 4.5 5 5.5 Input Voltage (V)
90 80 70 60 50 25 45 65 85 105 125 Temperature ()
80 75
V O = 3.3V
Quiescent Current (A)
100 90 80 70 60 50
V O = 3.3V
Quiescent Current (A)
70 65 60 55 50 45 40 3 3.5 4 4.5 5 5.5 Input Voltage (V)
25
45
65
85
105
125
Temperature ()
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Typical Performance Characteristics
+ 0 -1 0 -2 0 -3 0 -4 0 d B
9. Power Supply Ripple Rejection
T
10. Load Transient Response
Io DC Coupling Io=300mA Io=100mA Vo AC Coupling
-5 0 -6 0 -7 0 -8 0 -9 0 -10 0 10
Io=1mA
2 0 5 0 1 00 2 00 50 0 1k H z 2 k 5 k 1 0k 20 k 50 10 k 0k
Vo=2.5V,V IN =4V, Vpp=1V
Vo=2.5V, V IN=3.3V, Io=1mA to 300mA 11. Line Transient Response
+0 -10 -20 -30 -40 d B -50 -60 -70 -80 -90
TT TT T T
Io=300mA Io=100mA
V IN DC Coupling VO AC Coupling
Io=1mA
20 50 100 200 500 1k Hz 2k 5k 10k 20k 50k 100k
-100 10
Vo=2.5V , V IN =4V, Vpp=1V, C BYP=10nF
Vo=2.5V, V IN=3V to 5V,Io=1mA 12. Turn-on Response
+0 -1 0 -2 0 -3 0 -4 0 d B -5 0 -6 0 -7 0 -8 0 -9 0
T TT
Io=300mA Io=100mA
V IN DC Coupling
VO DC Coupling Io=1mA
-10 0 10
20
50
100
200
500
1k
2k
5k
10k
20 k
50k 100k
H z Vo=1.8V, V IN =4V, Vpp=1V, C BYP=10nF
V IN=0 to 5V
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Typical Performance Characteristics
13. PSRR vs V-dropout@Vout=3.28V
0
Audio Precision 14. Noise
+0 20
-10
PSRR with bypass, cap=10nF PSRR without bypass cap
d B r A
40 60 80
-20
PSRR (dB)
-30
-40
100 120 140 20
-50
-60 20 40 60 80 100 120 140 160 180 200 220 V-dropout (mV)
50
100
200
500 Hz
1k
2k
5k
10 20 k k
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Application Information
Capacitor Selection and Regulator Stability Similar to any low dropout regulator, the external capacitors used with the PAM3101 must be carefully selected for regulator stability and performance. A capacitor C IN of more than 1F can be employed in the input pin, while there is no upper limit for the capacitance of C IN. Please note that the distance between C IN and the input pin of the PAM3101 should not exceed 0.5 inch. Ceramic c a p a c i t o r s a r e s u i t a b l e f o r t h e PA M 3 1 0 1 . Capacitors with larger values and lower ESR (equivalent series resistance) provide better PSRR and line-transient response. The PAM3101 is designed specifically to work with low ESR ceramic output capacitors in order to save space and improve performance. Using an output ceramic capacitor whose value is > 2.2 F with ESR>5m ensures stability. A 10nF bypass capacitor connected to BYP pin is suggested for suppressing output noise. The capacitor, in series connection with an internal 200k resistor, forms a low-pass filter for noise reduction. Increasing the capacitance will slightly decrease the output noise, but increase the startup time. Load Transient Considerations C u r v e 1 0 o f t h e PA M 3 1 0 1 l o a d - t r a n s i e n t response on page 10 shows two components of the output response: a DC shift from the output impedance due to the load current change and transient response. The DC shift is quite small due to excellent load regulation of the PAM3101. The transient spike, resulting from a step change in the load current from 1mA to 300mA, is 20mV. The ESR of the output capacitor is critical to the transient spike. A larger capacitance along with smaller ESR results in a smaller spike. Shutdown Input Operation The PAM3101 is shut down by pulling the EN input low, and is turned on by tying the EN input to VIN or leaving the EN input floating.
Internal P-Channel Pass Transistor The PAM3101 features a 0.75 P-Channel MOSFET device as a pass transistor. The PMOS pass transistor enables the PAM3101 to consume only 65 A of ground current during low dropout, light-load, or heavy-load operations. This feature increases the battery operation life time. Input-Output ( Dropout ) Voltage A regulator's minimum input-output voltage difference (or dropout voltage) determines the lowest usable supply voltage. The PAM3101 has a typical 300mV dropout voltage. In batterypowered systems, this will determine the useful end-of-life battery voltage. Current Limit and Short Circuit Protection The PAM3101 features a current limit, which monitors and controls the gate voltage of the pass transistor. The output current can be limited to 400mA by regulating the gate voltage. The PAM3101 also has a built-in short circuit current limit.
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Thermal considerations Thermal protection limits power dissipation in the PA M 3 1 0 1 . W h e n t h e j u n c t i o n t e m p e r a t u r e exceeds 150C, the OTP (Over Temperature Protection) starts the thermal shutdown and turns the pass transistor off. The pass transistor resumes operation after the junction temperature drops below 120C. For continuous operation, the junction temperature should be maintained below 125C. The power dissipation is defined as: P D= (V IN-V OUT)*I O+V IN*I GND The maximum power dissipation depends on the thermal resistance of IC package, PCB layout, the rate of surrounding airflow and temperature difference between junction and ambient. The maximum power dissipation can be calculated by the following formula: P D(MAX) = (T J(MAX)-T A)/ JA Where T J(MAX) is the maximum allowable junction temperature 125C, T A is the ambient temperature and JA is the thermal resistance from the junction to the ambient. For example, as JA is 250C/W for the SOT-23 package and 180C/W for the SOT-89 package based on the standard JEDEC 51-3 for a singlelayer thermal test board, the maximum power dissipation at T A=25C can be calculated by following formula: P D(MAX)= (125C-25C)/250=0.4W P D(MAX)= (125C-25C)/180=0.55W SOT-23 SOT-89
It is also useful to calculate the junction temperature of the PAM3101 under a set of specific conditions. For example, suppose the input voltage V I N =3.3V, the output current I O=300mA and the case temperature T A=40C measured by a thermalcouple during operation, the power dissipation for the Vo=2.8V version of the PAM3101 can be calculated as: P D=(3.3V-2.8V)*300mA+3.3V*70 A150mW And the junction temperature, T J , can be calculated as follows: T J = T A+P D* JA T J = 40C+0.15W*250C/W =40C+37.5C =77.5CPower Analog Microelectronics , Inc
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Ordering Information
PAM3101 X X X xxx
Output Voltage Number of Pins Package Type Pin Configuration
Pin Configuration A Type 1. GND 2. VOUT 3. VIN C Type 1. VOUT 2. GND 3. VIN D Type 1. VIN 2. GND 3. EN 4. BYP 5. VOUT E Type 1. VOUT 2. GND 3. NC 4. EN 5. VIN F Type 1. EN 2. GND 3. VOUT 4. VIN H Type 1. GND 2. VIN 3. VOUT G Type 1. VIN 2. VOUT 3. GND Package Type A: SOT-23 C: SOT-89 U: SC70 Number of Pins A: 3 K: 4 B: 5 Output Voltage 475: 4.75V 400: 4.0V 380: 3.8V 330: 3.3V 310: 3.1V 300: 3.0V 290: 2.9V 285: 2.85V 280: 2.8V 250: 2.5V 180: 1.8V 150: 1.5V
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Ordering Information(continued)
Part Number PAM3101AAA475 PAM3101AAA400 PAM3101AAA380 PAM3101AAA330 PAM3101AAA310 PAM3101AAA300 PAM3101AAA290 PAM3101AAA285 PAM3101AAA280 PAM3101AAA250 PAM3101AAA180 PAM3101AAA150 PAM3101GAA475 PAM3101GAA400 PAM3101GAA380 PAM3101GAA330 PAM3101GAA310 PAM3101GAA300 PAM3101GAA290 PAM3101GAA285 PAM3101GAA280 PAM3101GAA250 PAM3101GAA180 PAM3101GAA150 PAM3101CAA475 PAM3101CAA400 PAM3101CAA380 PAM3101CAA330 PAM3101CAA310 PAM3101CAA300 PAM3101CAA290 PAM3101CAA285 PAM3101CAA280 PAM3101CAA250 PAM3101CAA180 PAM3101CAA150 Output Voltage 4.75V 4.0V 3.8V 3.3V 3.1V 3.0V 2.9V 2.85V 2.8V 2.5V 1.8V 1.5V 4.75V 4.0V 3.8V 3.3V 3.1V 3.0V 2.9V 2.85V 2.8V 2.5V 1.8V 1.5V 4.75V 4.0V 3.8V 3.3V 3.1V 3.0V 2.9V 2.85V 2.8V 2.5V 1.8V 1.5V Marking AATYW AAMYW AAOYW AAKYW AAPYW AAJYW AAQYW AAIYW AAHYW AAGYW AAEYW AACYW AATYW AAMYW AAOYW AAKYW AAPYW AAJYW AAQYW AAIYW AAHYW AAGYW AAEYW AACYW AATYW AAMYW AAOYW AAKYW AAPYW AAJYW AAQYW AAIYW AAHYW AAGYW AAEYW AACYW Package Type SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 SOT23-3 Shipping Package 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Ordering Information(continued)
Part N um ber PAM3101CC A475 PAM3101CC A400 PAM3101CC A380 PAM3101CC A330 PAM3101CC A310 PAM3101CC A300 PAM3101CC A290 PAM3101CC A285 PAM3101CC A280 PAM3101CC A250 PAM3101CC A180 PAM3101CC A150 PAM3101HC A475 PAM3101HC A400 PAM3101HC A380 PAM3101HC A330 PAM3101HC A310 PAM3101HC A300 PAM3101HC A290 PAM3101HC A285 PAM3101HC A280 Output Voltage 4.75V 4.0V 3.8V 3.3V 3.1V 3.0V 2.9V 2.85V 2.8V 2.5V 1.8V 1.5V 4.75V 4.0V 3.8V 3.3V 3.1V 3.0V 2.90V 2.85V 2.8V Marking P3101T XXXYW P3101M XXXYW P3101O XXXYW P3101K XXXYW P3101P XXXYW P3101J XXXYW P3101Q XXXYW P3101I XXXYW P3101H XXXYW P3101G XXXYW P3101E XXXYW P3101C XXXYW P3101T XXXYW P3101M XXXYW P3101O XXXYW P3101K XXXYW P3101P XXXYW P3101J XXXYW P3101Q XXXYW P3101I XXXYW P3101H XXXYW Package Type SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 SOT89-3 Shipping Package 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel 1,000Units/Tape&Reel
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PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Ordering Information(continued)
P art N um ber PAM 3101H CA250 PAM 3101H CA180 PAM 3101H CA150 PAM 3101DBA 475 PAM 3101DBA 400 PAM 3101DAB 380 PAM 3101DAB 330 PAM 3101DAB 310 PAM 3101DAB 300 PAM 3101DAB 290 PAM 3101DAB 285 PAM 3101DAB 280 PAM 3101DAB 250 PAM 3101DAB 180 PAM 3101DAB 150 PAM 3101ECB 475 PAM 3101ECB 400 PAM 3101ECB 380 PAM 3101ECB 330 PAM 3101ECB 310 PAM 3101ECB 300 PAM 3101ECB 290 PAM 3101ECB 285 PAM 3101ECB 280 PAM 3101ECB 250 PAM 3101ECB 180 PAM 3101ECB 150 O utput Voltage 2.5V 1.8V 1.5V 4.75V 4.0V 3.8V 3.3V 3.1V 3.0V 2.9V 2.85V 2.8V 2.5V 1.8V 1.5V 4.75V 4.0V 3.8V 3.3V 3.1V 3.0V 2.9V 2.85V 2.8V 2.5V 1.8V 1.5V M arking P3101G X XX YW P3101E X XX YW P 3101C X XX YW AATYW AA M YW A AOYW AA KYW AA PYW A AJYW A AQYW AAIYW AAH YW A AGYW AA EYW AAC YW P3101T X XX YW P 3101M X XX YW P3101O X XX YW P3101K X XX YW P3101P X XX YW P3101J X XX YW P3101Q X XX YW P 3101I X XX YW P 3101H X XX YW P3101G X XX YW P3101E X XX YW P 3101C X XX YW Package Type S OT89-3 S OT89-3 S OT89-3 S OT23-5 S OT23-5 S OT23-5 S OT23-5 S OT23-5 S OT23-5 S OT23-5 S OT23-5 S OT23-5 S OT23-5 S OT23-5 S OT23-5 S OT89-5 S OT89-5 S OT89-5 S OT89-5 S OT89-5 S OT89-5 S OT89-5 S OT89-5 S OT89-5 S OT89-5 S OT89-5 S OT89-5 S hipping Pack age 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 3,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel 1,000U nits/Tape&R eel
Power Analog Microelectronics , Inc
www.poweranalog.com 09/2008 Rev 1.4
17
PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Ordering Information
Part Number PAM3101GUA475 PAM3101GUA400 PAM3101GUA380 PAM3101GUA330 PAM3101GUA310 PAM3101GUA300 PAM3101GUA290 PAM3101GUA285 PAM3101GUA280 PAM3101GUA250 PAM3101GUA180 PAM3101GUA150 PAM3101FUK475 PAM3101FUK400 PAM3101FUK380 PAM3101FUK330 PAM3101FUK310 PAM3101FUK300 PAM3101FUK290 PAM3101FUK285 PAM3101FUK280 PAM3101FUK250 PAM3101FUK180 PAM3101FUK150 PAM3101DUB475 PAM3101DUB400 PAM3101DUB380 PAM3101DUB330 PAM3101DUB310 PAM3101DUB300 PAM3101DUB290 PAM3101DUB285 PAM3101DUB280 PAM3101DUB250 PAM3101DUB180 PAM3101DUB150 Output Voltage 4.75V 4.0V 3.8V 3.3V 3.1V 3.0V 2.9V 2.85V 2.8V 2.5V 1.8V 1.5V 4.75V 4.0V 3.8V 3.3V 3.1V 3.0V 2.9V 2.85V 2.8V 2.5V 1.8V 1.5V 4.75V 4.0V 3.8V 3.3V 3.1V 3.0V 2.9V 2.85V 2.8V 2.5V 1.8V 1.5V Marking AATYW AAMYW AAOYW AAKYW AAPYW AAJYW AAQYW AAIYW AAHYW AAGYW AAEYW AACYW AATYW AAMYW AAOYW AAKYW AAPYW AAJYW AAQYW AAIYW AAHYW AAGYW AAEYW AACYW AATYW AAMYW AAOYW AAKYW AAPYW AAJYW AAQYW AAIYW AAHYW AAGYW AAEYW AACYW Package Type SC70-3L SC70-3L SC70-3L SC70-3L SC70-3L SC70-3L SC70-3L SC70-3L SC70-3L SC70-3L SC70-3L SC70-3L SC70-4L SC70-4L SC70-4L SC70-4L SC70-4L SC70-4L SC70-4L SC70-4L SC70-4L SC70-4L SC70-4L SC70-4L SC70-5L SC70-5L SC70-5L SC70-5L SC70-5L SC70-5L SC70-5L SC70-5L SC70-5L SC70-5L SC70-5L SC70-5L Shipping Package 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel 3,000Units/Tape&Reel
Power Analog Microelectronics , Inc
www.poweranalog.com 09/2008 Rev 1.4
18
PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Outline Dimension
SOT23-3
D A B
A1
E
H
Dim A
S e
Millimeters Min. 1.00 0.00 0.35 0.10 2.70 1.40 2.40 0.37 Typ. 1.15 0.05 0.43 0.175 2.90 1.60 1.90BSC 2.70 3.00 Max. 1.30 0.10 0.51 0.25 3.10 1.80
A1 B C D E e H L
L
C
Power Analog Microelectronics, Inc
www.poweranalog.com 09/2008 Rev 1.4
19
PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Outline Dimension
c (REF.) 0.25
L REF. L1 (REF.)
SOT23-5
D e1
E1
E
REF. A A1 A2 c D E E1 L L1 b e e1
Min 0 0.70 2.70 2.60 1.40
0 0.30
Millimeter Nom 1.10MAX 0.05 1.00 0.12REF. 2.90 2.80 1.60 0.45REF. 0.60REF. 5 0.40 0.95REF. 1.90REF.
A1
A2
A
Max 0.10 1.295 3.10 3.00 1.80
10 0.50
Power Analog Microelectronics , Inc
www.poweranalog.com 09/2008 Rev 1.4
20
PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Outline Dimension
SOT89 - 3
4 . 5 0 . 05 1 . 650 REF 1 . 400 REF 1 . 50 0 . 05
4 . 20 0 . 05
2 . 5 0 . 05
1 . 00 0 . 07 1 . 50 3 . 00 0 . 025 6'-2X 1 . 50
6' 0 . 46 0 . 025 0 . 38 0 . 01
6'-2X
( Unit : mm )
SOT89 - 5
1 . 650 REF 1 . 400 REF 1 . 50 0 . 05
4 . 20 0 . 05
2 . 5 0 . 05
1 . 00 0 . 07 1 . 50 3 . 00 0 . 025 6'-2X 1 . 50
6' 0 . 46 0 . 025 0 . 38 0 . 01
6'-2X
( Unit : mm )
Power Analog Microelectronics , Inc
www.poweranalog.com 09/2008 Rev 1.4
21
PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Outline Dimension
SC70-3L
A1
Power Analog Microelectronics , Inc
www.poweranalog.com 09/2008 Rev 1.4
22
PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Outline Dimension
SC70-4L
Power Analog Microelectronics , Inc
www.poweranalog.com 09/2008 Rev 1.4
23
PAM3101
300mA High PSRR Low Dropout CMOS Linear Regulator
Outline Dimension
SC70-5L
Power Analog Microelectronics , Inc
www.poweranalog.com 09/2008 Rev 1.4
24

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