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AME, Inc.
AME8850
n General Description
The AME8850 family of positive, linear regulators feature low quiescent current (30A Typ.) with low dropout voltage, making them ideal for battery applications. The space-saving SOT-25/TSOT-25, SOP-8 & DFN8(3mmx3mmx0.75mm) packages are attractive for " Pocket " and " Hand Held " applications. These rugged devices have both Thermal Shutdown, and Current Fold-back to prevent device failure under the " Worst " operating conditions. The AME8850 is stable with an output capacitance of 2.2F or greater.
600mA CMOS LDO
n Functional Block Diagram
IN OUT
Overcurrent Shutdown
Thermal Shutdown
EN
AMP
ADJ
n Features
l Very Low Dropout Voltage l Guaranteed 600mA Output l Typical 30A Quiescent Current l Output Voltage Accurate to within 2.5% l Over-Temperature Shutdown l Current Limiting l Short Circuit Current Fold-back l Power-Saving Shutdown Mode l Space-Saving SOT-25/TSOT-25, SOP-8 & DFN-8 (3mmx3mmx0.75mm) Packages l User Adjustable Output Voltages l Low Temperature Coefficient l All AME's Lead Free Products Meet RoHS Standards
VREF =1.2V GND
n Typical Application
IN C1 1F R2
EN IN OUT
OUT C2 R1 100p C3 2.2F
AME8850
GND ADJ
n Applications
l Instrumentation l Portable Electronics l Wireless Devices l Cordless Phones l PC Peripherals l Battery Powered Widgets
VOUT = 1.2 ( R1/R2 +1 ) C2 is unnecessary if R1 or R2 < 20 K Ohms R R and R use resistance value within 1% accuracy for a d correct V 2 n1 OUT
Rev.B.01
1
AME, Inc.
AME8850
n Pin Configuration
SOP-8 Top View
8 7 6 5
600mA CMOS LDO
SOT-25 / TSOT-25 Top View AME8850AEHA 1. IN 2. GND 3. GND
5 4
AME8850AEEV 1. IN 2. GND
AME8850
AME8850
3. EN 4. ADJ 5. OUT
i (c)u C Ax |~ N
1 2 3 4
4. EN E P SD 3/4OADJ 5. 11 i Ax 6. GND 7. GND 8. OUT * Die Attach: Conductive Epoxy
1
2
3
* Die Attach: Conductive Epoxy
DFN-8 (3mmx3mmx0.75mm) Top View
8 7 6 5
AME8850AEVA 1. EN 2. GND 3. GND
AME8850
4. IN 5. OUT 6. GND 7. GND 8. ADJ * Die Attach: Conductive Epoxy
1
2
3
4
Note: The area enclosed by dashed line represents Exposed Pad and connect to GND.
2
Rev.B.01
AME, Inc.
AME8850
n Ordering Information AME8850 x x x x xxx x - x
Special Feature2 Special Feature1 Output Voltage Number of Pins Package Type Operating Ambient Temperature Range Pin Configuration
600mA CMOS LDO
Pin Configuration
Operating Ambient Temperature Range E: -40OC to 85OC
Package Type
Number of Pins A: 8 V: 5
Output Voltage
Special Feature1
Special Feature 2 (For DFN package only)
(SOP-8)
A: 1. IN 2. GND 3. GND 4. EN 5. ADJ 6. GND 7. GND 8. OUT A: 1. EN 2. GND 3. GND 4. IN 5. OUT 6. GND 7. GND 8. ADJ
H: SOP V: DFN E: SOT-2X
ADJ: Adjustable
Z: Lead Free Lead Free & Y: Low Profile
(For TSOT-25 only )
3: 3x3x0.75(mm)(LxWxH)
(DFN-8)
A: 1. IN 2. GND (TSOT-25) 3. EN 4. ADJ 5. OUT
(SOT-25)
Rev.B.01
3
AME, Inc.
AME8850
n Ordering Information
Part Number
AME8850AEHAADJZ
600mA CMOS LDO
Marking*
8850 AEHA yyww BIRww
Output Voltage
Adjustable
Package
SOP-8
Operating Ambient Temperature Range
- 40oC to 85oC - 40oC to 85oC - 40oC to 85oC - 40oC to 85oC
AME8850AEEVADJZ
i (c)u C E P SD 3/4O 11 Ax |~ N
BIRww BIQ yyww
Adjustable Adjustable Adjustable
SOT-25 TSOT-25 DFN-8 (3mmx3mmx0.75mm)
i AME8850AEEVADJY Ax
AME8850AEVAADJZ-3
Note: yyww & ww represents the date code and pls refer to Date Code Rule page on Package Dimension. * A line on top of the first letter represents lead free plating such as 8850 Please consult AME sales office or authorized Rep./Distributor for package type availability.
4
Rev.B.01
AME, Inc.
AME8850
n Absolute Maximum Ratings
Parameter
Input Voltage EN Voltage Output Voltage Output Current ESD Classification
600mA CMOS LDO
Maximum
-0.3 to 8 -0.3 to 8 -0.3 to VIN + 0.3 PD / (V IN - VOUT) B*
Unit
V V V mA
Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device. *HBM B:2000V~3999V
n Recommended Operating Conditions
Parameter
Ambient Temperature Range Junction Temperature Range Storage Temperature Range
Symbol
TA TJ TSTG
Rating
- 40 to 85 - 40 to 125 - 65 to 150
Unit
o
C C C
o
o
Rev.B.01
5
AME, Inc.
AME8850
n Thermal Information
Parameter Package
SOP-8 Thermal Resistance* (Junction to Case) SOT-25 / TSOT-25
600mA CMOS LDO
Die Attach
Symbol
Maximum
60
Unit
JC
81 17
o
i (c)u C Ax |~ N
Thermal Resistance (Junction to Ambient)
DFN-8 (3mmx3mmx0.75mm) E P SD 3/4O 11 i Ax SOP-8 SOT-25 / TSOT-25 DFN-8 (3mmx3mmx0.75mm) SOP-8 Conductive Epoxy
C/W
150
JA
260 125 810
Internal Power Dissipation
SOT-25 / TSOT-25 DFN-8 (3mmx3mmx0.75mm)
PD
400 800 350
mW
Solder Iron (10 Sec)**
o
C
* Measure JC on center of molding compound if IC has no tab. O ** MIL-STD-202G 210F F
6
Rev.B.01
AME, Inc.
AME8850
n Electrical Specifications
TA = 25OC unless otherwise noted
Parameter Input Voltage Output Voltage Accuracy Symbol VIN VOUT IOUT = 600mA VOUT = VOUT(nom) -2.0% IOUT = 1mA 1.2V < VOUT(nom) <= 2.0V 2.0V < VOUT(nom) <= 2.8V 2.8V < VOUT(nom) Output Current Current Limit Short Circuit Current Quiescent Current Ground Pin Current Line Regulation Load Regulation Over Temperature Shutdown Over Temperature Hysterisis VO Temperature Coefficient IOUT ILIM ISC IQ IGND REGLINE REGLOAD OTS OTH TC f = 1kHz Power Supply Ripple Rejection PSRR IOUT = 100mA CO = 2.2F f = 10Hz to 100kHz IOUT = 10mA f = 10kHz f = 100kHz Co = 2.2F VOUT > 1.2V VOUT >= 1.2V VOUT < 0.8V IOUT = 0mA IOUT = 1mA to 600mA IOUT=1mA VIN=VOUT+1 to VOUT+2 VOUT < 2.0V VOUT >= 2.0V 0.02 0.2 150 30 30 50 20 15 30 1.176 1.200 1.224 VIN = 2.7V to 7V VIN = 2.7V to 7V VEN = VIN, VIN = 2.7V to 7V VEN = 0V, VIN = 2.7V to 7V VIN = 5V, VOUT = 0V, VEN < VEL 0.5 2.0 0 Vin 0.4 0.1 0.5 1 Vrms V V V A A A dB 600 600 800 300 30 30 0.15 0.1 1 600 50 See chart Test Condition Min Note 1 -2.5 Typ Max 7 2.5 1400 800 600 mA mA mA A A % % %
o o
600mA CMOS LDO
Units V %
Dropout Voltage
VDROP
mV
IOUT = 1mA to 600mA
C C
ppm/oC
Output Voltage Noise ADJ Reference Voltage EN Input Threshold
eN
VREF VEH VEL IEH IEL ISHDN
EN Input Bias Current Shutdown Current
Note1:VIN(min)=VOUT+VDROPOUT
Rev.B.01
7
AME, Inc.
AME8850
n Detailed Description
The AME8850 family of CMOS regulators contain a PMOS pass transistor, voltage reference, error amplifier, over-current protection, and thermal shutdown. The P-channel pass transistor receives data from the error amplifier, over-current shutdown, and thermal protection circuits. During normal operation, the error amplifier compares the output voltage to a precision reference. Over-current and Thermal shutdown circuits E P SD 3/4O 11 become active when the junction temperature exceeds 150oC, or i Ax the current exceeds 600mA. During thermal shutdown, the output voltage remains low. Normal operation is restored when the junction temperature drops below 120oC.
600mA CMOS LDO
n Enable
The Enable pin normally floats high. When actively, pulled low, the PMOS pass transistor shuts off, and all internal circuits are powered down. In this state, the quiescent current is less than 1A. This pin behaves much like an electronic switch.
n ADJ
The ADJ pin is the positive input to the error amplifier which, due to the PMOS pass element inversion, means it is actually the negative input of the LDO feedback loop. The feedback works to keep the voltage at the ADJ pin 1.2V with respect to ground. Since the internal circuitry at the ADJ pin is essentially an ESD protected CMOS gate the input current at the ADJ pin is virtually zero.
i (c)u C Ax |~ N
The AME8850 switches from voltage mode to current mode when the load exceeds the rated output current. This prevents over-stress. The AME8850 also incorporates current fold-back to reduce power dissipation when the output is short circuited. This feature becomes active when the output drops below 0.8 volts, and reduces the current flow by 65%. Full current is restored when the voltage exceeds 0.8 volts.
n External Capacitors
The AME8850 is stable with an output capacitor to ground of 2.2F or greater. Ceramic capacitors have the lowest ESR, and will offer the best AC performance. Conversely, Aluminum Electrolytic capacitors exhibit the highest ESR, resulting in the poorest AC response. Unfortunately, large value ceramic capacitors are comparatively expensive. One option is to parallel a 0.1F ceramic capacitor with a 10F Aluminum Electrolytic. The benefit is low ESR, high capacitance, and low overall cost. A second capacitor is recommended between the input and ground to stabilize Vin. The input capacitor should be at least 0.1F to have a beneficial effect. All capacitors should be placed in close proximity to the pins. A "Quiet" ground termination is desirable. This can be achieved with a "Star" connection.
8
Rev.B.01
AME, Inc.
AME8850
n External Resistor Divider Table (contd.)
R1 (K Ohm) Vout 1.20 1.25 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 2.25 2.30 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70 2.75 2.80 2.85 2.90 2.95 3.00 3.05 3.10 330 24.00 12.00 8.00 6.00 4.80 4.00 3.43 3.00 2.67 2.40 2.18 2.00 1.85 1.71 1.60 1.50 1.41 1.33 1.26 1.20 1.14 1.09 1.04 1.00 0.96 0.92 0.89 0.86 0.83 0.80 0.77 0.75 0.73 0.71 0.69 0.67 0.65 0.63 48.00 24.00 16.00 12.00 9.60 8.00 6.86 6.00 5.33 4.80 4.36 4.00 3.69 3.43 3.20 3.00 2.82 2.67 2.53 2.40 2.29 2.18 2.09 2.00 1.92 1.85 1.78 1.71 1.66 1.60 1.55 1.50 1.45 1.41 1.37 1.33 1.30 1.26 72.00 36.00 24.00 18.00 14.40 12.00 10.29 9.00 8.00 7.20 6.55 6.00 5.54 5.14 4.80 4.50 4.24 4.00 3.79 3.60 3.43 3.27 3.13 3.00 2.88 2.77 2.67 2.57 2.48 2.40 2.32 2.25 2.18 2.12 2.06 2.00 1.95 1.89 96.00 48.00 32.00 24.00 19.20 16.00 13.71 12.00 10.67 9.60 8.73 8.00 7.38 6.86 6.40 6.00 5.65 5.33 5.05 4.80 4.57 4.36 4.17 4.00 3.84 3.69 3.56 3.43 3.31 3.20 3.10 3.00 2.91 2.82 2.74 2.67 2.59 2.53 120.00 60.00 40.00 30.00 24.00 20.00 17.14 15.00 13.33 12.00 10.91 10.00 9.23 8.57 8.00 7.50 7.06 6.67 6.32 6.00 5.71 5.45 5.22 5.00 4.80 4.62 4.44 4.29 4.14 4.00 3.87 3.75 3.64 3.53 3.43 3.33 3.24 3.16 0 1 2 3 4 5 6 7 8 9 10
600mA CMOS LDO
R2(K Ohm)=(1.2*R1(K Ohm))/(Vout-1.2) N/A 144.00 72.00 48.00 36.00 28.80 24.00 20.57 18.00 16.00 14.40 13.09 12.00 11.08 10.29 9.60 9.00 8.47 8.00 7.58 7.20 6.86 6.55 6.26 6.00 5.76 5.54 5.33 5.14 4.97 4.80 4.65 4.50 4.36 4.24 4.11 4.00 3.89 3.79 168.00 84.00 56.00 42.00 33.60 28.00 24.00 21.00 18.67 16.80 15.27 14.00 12.92 12.00 11.20 10.50 9.88 9.33 8.84 8.40 8.00 7.64 7.30 7.00 6.72 6.46 6.22 6.00 5.79 5.60 5.42 5.25 5.09 4.94 4.80 4.67 4.54 4.42 192.00 96.00 64.00 48.00 38.40 32.00 27.43 24.00 21.33 19.20 17.45 16.00 14.77 13.71 12.80 12.00 11.29 10.67 10.11 9.60 9.14 8.73 8.35 8.00 7.68 7.38 7.11 6.86 6.62 6.40 6.19 6.00 5.82 5.65 5.49 5.33 5.19 5.05 216.00 108.00 72.00 54.00 43.20 36.00 30.86 27.00 24.00 21.60 19.64 18.00 16.62 15.43 14.40 13.50 12.71 12.00 11.37 10.80 10.29 9.82 9.39 9.00 8.64 8.31 8.00 7.71 7.45 7.20 6.97 6.75 6.55 6.35 6.17 6.00 5.84 5.68 240.00 120.00 80.00 60.00 48.00 40.00 34.29 30.00 26.67 24.00 21.82 20.00 18.46 17.14 16.00 15.00 14.12 13.33 12.63 12.00 11.43 10.91 10.43 10.00 9.60 9.23 8.89 8.57 8.28 8.00 7.74 7.50 7.27 7.06 6.86 6.67 6.49 6.32
N/A
Rev.B.01
9
AME, Inc.
AME8850
n External Resistor Divider Table (contd.)
Note: If VOUT=1.2V then R1=0 and max value of R2 is 300K.
R1 (K Ohm) Vout 1.25 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 2.25 2.30 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70 2.75 2.80 2.85 2.90 2.95 3.00 3.05 3.10 24.00 12.00 8.00 6.00 4.80 4.00 3.43 3.00 2.67 2.40 2.18 2.00 1.85 1.71 1.60 1.50 1.41 1.33 1.26 1.20 1.14 1.09 1.04 1.00 0.96 0.92 0.89 0.86 0.83 0.80 0.77 0.75 0.73 0.71 0.69 0.67 0.65 0.63 1 2 3 4 5 6 7 8 9 10
600mA CMOS LDO
R2(K Ohm)=(1.2*R1(K Ohm))/(Vout-1.2) 48.00 72.00 96.00 24.00 36.00 48.00 16.00 SD 3/4O 11 32.00 E P 24.00 12.00 18.00 24.00 i Ax 9.60 14.40 19.20 8.00 12.00 16.00 6.86 10.29 13.71 6.00 9.00 12.00 5.33 8.00 10.67 4.80 7.20 9.60 4.36 6.55 8.73 4.00 6.00 8.00 3.69 5.54 7.38 3.43 5.14 6.86 3.20 4.80 6.40 3.00 4.50 6.00 2.82 4.24 5.65 2.67 4.00 5.33 2.53 3.79 5.05 2.40 3.60 4.80 2.29 3.43 4.57 2.18 3.27 4.36 2.09 3.13 4.17 2.00 3.00 4.00 1.92 2.88 3.84 1.85 2.77 3.69 1.78 2.67 3.56 1.71 2.57 3.43 1.66 2.48 3.31 1.60 2.40 3.20 1.55 2.32 3.10 1.50 2.25 3.00 1.45 2.18 2.91 1.41 2.12 2.82 1.37 2.06 2.74 1.33 2.00 2.67 1.30 1.95 2.59 1.26 1.89 2.53 120.00 60.00 40.00 30.00 24.00 20.00 17.14 15.00 13.33 12.00 10.91 10.00 9.23 8.57 8.00 7.50 7.06 6.67 6.32 6.00 5.71 5.45 5.22 5.00 4.80 4.62 4.44 4.29 4.14 4.00 3.87 3.75 3.64 3.53 3.43 3.33 3.24 3.16 144.00 72.00 48.00 36.00 28.80 24.00 20.57 18.00 16.00 14.40 13.09 12.00 11.08 10.29 9.60 9.00 8.47 8.00 7.58 7.20 6.86 6.55 6.26 6.00 5.76 5.54 5.33 5.14 4.97 4.80 4.65 4.50 4.36 4.24 4.11 4.00 3.89 3.79 168.00 84.00 56.00 42.00 33.60 28.00 24.00 21.00 18.67 16.80 15.27 14.00 12.92 12.00 11.20 10.50 9.88 9.33 8.84 8.40 8.00 7.64 7.30 7.00 6.72 6.46 6.22 6.00 5.79 5.60 5.42 5.25 5.09 4.94 4.80 4.67 4.54 4.42 192.00 96.00 64.00 48.00 38.40 32.00 27.43 24.00 21.33 19.20 17.45 16.00 14.77 13.71 12.80 12.00 11.29 10.67 10.11 9.60 9.14 8.73 8.35 8.00 7.68 7.38 7.11 6.86 6.62 6.40 6.19 6.00 5.82 5.65 5.49 5.33 5.19 5.05 216.00 108.00 72.00 54.00 43.20 36.00 30.86 27.00 24.00 21.60 19.64 18.00 16.62 15.43 14.40 13.50 12.71 12.00 11.37 10.80 10.29 9.82 9.39 9.00 8.64 8.31 8.00 7.71 7.45 7.20 6.97 6.75 6.55 6.35 6.17 6.00 5.84 5.68 240.00 120.00 80.00 60.00 48.00 40.00 34.29 30.00 26.67 24.00 21.82 20.00 18.46 17.14 16.00 15.00 14.12 13.33 12.63 12.00 11.43 10.91 10.43 10.00 9.60 9.23 8.89 8.57 8.28 8.00 7.74 7.50 7.27 7.06 6.86 6.67 6.49 6.32
i (c)u C Ax |~ N
10
Rev.B.01
AME, Inc.
AME8850
n External Resistor Divider Table
R1 (K Ohm) Vout 3.15 3.20 3.25 3.30 3.35 3.40 3.45 3.50 3.55 3.60 3.65 3.70 3.75 3.80 3.85 3.90 3.95 4.00 4.05 4.10 4.15 4.20 4.25 4.30 4.35 4.40 4.45 4.50 4.55 4.60 4.65 4.70 4.75 4.80 4.85 4.90 4.95 5.00 0.62 0.60 0.59 0.57 0.56 0.55 0.53 0.52 0.51 0.50 0.49 0.48 0.47 0.46 0.45 0.44 0.44 0.43 0.42 0.41 0.41 0.40 0.39 0.39 0.38 0.37 0.37 0.36 0.36 0.35 0.35 0.34 0.34 0.33 0.33 0.32 0.32 0.32 1.23 1.20 1.17 1.14 1.12 1.09 1.07 1.04 1.02 1.00 0.98 0.96 0.94 0.92 0.91 0.89 0.87 0.86 0.84 0.83 0.81 0.80 0.79 0.77 0.76 0.75 0.74 0.73 0.72 0.71 0.70 0.69 0.68 0.67 0.66 0.65 0.64 0.63 1.85 1.80 1.76 1.71 1.67 1.64 1.60 1.57 1.53 1.50 1.47 1.44 1.41 1.38 1.36 1.33 1.31 1.29 1.26 1.24 1.22 1.20 1.18 1.16 1.14 1.13 1.11 1.09 1.07 1.06 1.04 1.03 1.01 1.00 0.99 0.97 0.96 0.95 1 2 3 4 5 6 7 8 9 10
600mA CMOS LDO
R2(K Ohm)=(1.2*R1(K Ohm))/(Vout-1.2) 2.46 2.40 2.34 2.29 2.23 2.18 2.13 2.09 2.04 2.00 1.96 1.92 1.88 1.85 1.81 1.78 1.75 1.71 1.68 1.66 1.63 1.60 1.57 1.55 1.52 1.50 1.48 1.45 1.43 1.41 1.39 1.37 1.35 1.33 1.32 1.30 1.28 1.26 3.08 3.00 2.93 2.86 2.79 2.73 2.67 2.61 2.55 2.50 2.45 2.40 2.35 2.31 2.26 2.22 2.18 2.14 2.11 2.07 2.03 2.00 1.97 1.94 1.90 1.87 1.85 1.82 1.79 1.76 1.74 1.71 1.69 1.67 1.64 1.62 1.60 1.58 3.69 3.60 3.51 3.43 3.35 3.27 3.20 3.13 3.06 3.00 2.94 2.88 2.82 2.77 2.72 2.67 2.62 2.57 2.53 2.48 2.44 2.40 2.36 2.32 2.29 2.25 2.22 2.18 2.15 2.12 2.09 2.06 2.03 2.00 1.97 1.95 1.92 1.89 4.31 4.20 4.10 4.00 3.91 3.82 3.73 3.65 3.57 3.50 3.43 3.36 3.29 3.23 3.17 3.11 3.05 3.00 2.95 2.90 2.85 2.80 2.75 2.71 2.67 2.62 2.58 2.55 2.51 2.47 2.43 2.40 2.37 2.33 2.30 2.27 2.24 2.21 4.92 4.80 4.68 4.57 4.47 4.36 4.27 4.17 4.09 4.00 3.92 3.84 3.76 3.69 3.62 3.56 3.49 3.43 3.37 3.31 3.25 3.20 3.15 3.10 3.05 3.00 2.95 2.91 2.87 2.82 2.78 2.74 2.70 2.67 2.63 2.59 2.56 2.53 5.54 5.40 5.27 5.14 5.02 4.91 4.80 4.70 4.60 4.50 4.41 4.32 4.24 4.15 4.08 4.00 3.93 3.86 3.79 3.72 3.66 3.60 3.54 3.48 3.43 3.37 3.32 3.27 3.22 3.18 3.13 3.09 3.04 3.00 2.96 2.92 2.88 2.84 6.15 6.00 5.85 5.71 5.58 5.45 5.33 5.22 5.11 5.00 4.90 4.80 4.71 4.62 4.53 4.44 4.36 4.29 4.21 4.14 4.07 4.00 3.93 3.87 3.81 3.75 3.69 3.64 3.58 3.53 3.48 3.43 3.38 3.33 3.29 3.24 3.20 3.16
Rev.B.01
11
AME, Inc.
AME8850
Ground Current vs. Input Voltage
45 40
600mA CMOS LDO
Load Step (1mA-600mA)
Vo(10mV/DIV)
Ground Current ( A)
35 30 25 20 15 10 5 0 0 1 2 3 4
85 OC
Output CL =2.2 =2.2
25 C
IL(200mA/DIV)
O
i (c)u C E P SD 3/4O 11 Ax |~ N
i Ax
5 6 7 8
I Load
0
TIME (20mS/DIV)
Input Voltage (V)
Drop Out Voltage vs. Output Voltage
1400 1200
Power Supply Rejection Ratio
0 -10 -20
Drop Out Voltage (mV)
1000 800 600 400 200
PSRR (dB)
Top to Bottom ILOAD=600mA ILOAD=500mA ILOAD=400mA ILOAD=300mA ILOAD=200mA ILOAD=100mA
CL=2.2F Tantalum Tantalum C BYP =0
100mA
-30 -40 -50 -60 -70 -80 10 1K 100K 10M
100mA
10mA
100 A
100 A
1mA
1
2
3
4
5
6
Output Voltage (V)
Frequency (Hz)
Safe Operating Area
600
Noise Measurement
8850AEHA 8850AEVA 8850AEEV
Output Current (mA)
Vo (1mV DIV)
CL=2.2F No Filter
100
10 0.1
1.0
8.0
Input-Output Voltage Differential (V)
TIME (20ms/DIV)
12
Rev.B.01
AME, Inc.
AME8850
Overtemperature Shutdown
I OUT (200mA/DIV)
VOUT (1V/DIV)
600mA CMOS LDO
Current Limit Response
0
IOUT (200mA/DIV)
R LOAD=6.6
VOUT (1V/DIV)
CLOAD=2.2F CIN=1.0F RLOAD=3.3 VOUTNOM=3.3V
0
TIME (0.5Sec/DIV)
TIME (2mS/DIV)
Short Circuit Response
CLOAD=2.2F CIN=1F RLOAD<100m
Chip Enable Transient Response
Enable (2V/DIV)
IOUT (200mV/DIV)
CL=2F RL=10
0
VOUT (1V/DIV)
Output (1V/DIV)
0
TIME (2mS/DIV)
TIME (1mS/DIV)
Line Transient Response
VIN(1V/DIV)
VOUT (10mV/DIV)
CLOAD=2.2F ILOAD=1mA VOUTDC=3.3V VINDC=4.5V
TIME (200mS/DIV)
Rev.B.01
13
AME, Inc.
AME8850
n Date Code Rule
Marking A A A A A A A A A A A A A A A A Date Code W W W W W W Year xxx0 xxx1 xxx2 xxx3 xxx4 xxx5 xxx6 xxx7 xxx8 xxx9
600mA CMOS LDO
W i A |~ AN P SD 3/4O 11 Ax C E W (c)u A A A A A A A Ax W i A A A A A W W W W W W W W W W W
n Tape and Reel Dimension
DFN-8 (3mmx3mmx0.75mm)
P
PIN 1 W
AME AME
Carrier Tape, Number of Components Per Reel and Reel Size
Package DFN-8 (3x3x0.75mm)
14
Carrier Width (W) 12.00.1 mm
Pitch (P) 4.00.1 mm
Part Per Full Reel 3000pcs
Reel Size 3301 mm
Rev.B.01
AME, Inc.
AME8850
n Tape and Reel Dimension
SOT-25
P
600mA CMOS LDO
W AME PIN 1 AME
Carrier Tape, Number of Components Per Reel and Reel Size
Package SOT-25
Carrier Width (W) 8.00.1 mm
Pitch (P) 4.00.1 mm
Part Per Full Reel 3000pcs
Reel Size 1801 mm
TSOT-25
P
W AME PIN 1 AME
Carrier Tape, Number of Components Per Reel and Reel Size
Package TSOT-25 Carrier Width (W) 8.00.1 mm Pitch (P) 4.00.1 mm Part Per Full Reel 3000pcs Reel Size 1801 mm
Rev.B.01
15
AME, Inc.
AME8850
n Tape and Reel Dimension
SOP-8
P
600mA CMOS LDO
i (c)u C E P SD 3/4O 11 Ax |~ N
i Ax
AME AME
PIN 1
W
Carrier Tape, Number of Components Per Reel and Reel Size
Package SOP-8
Carrier Width (W) 12.00.1 mm
Pitch (P) 4.00.1 mm
Part Per Full Reel 2500pcs
Reel Size 3301 mm
n Package Dimension
SOP-8
Top View Side View
SYMBOLS
C
MILLIMETERS MIN MAX
1.75 0.30
INCHES MIN
0.05315
MAX
0.0689
A
H E
1.35 0.10
A1 A2 B C
L
c
0.00394 0.01181 0.05799 REF 0.01299 0.02008 0.00748 0.00984 0.18898 0.20984 0.14961 0.15748 0.05000 BSC 0.01575 0.05000 0.22835 0.24803 0o 0.00394 8o
1.473 REF 0.33 0.19 4.80 3.80 0.51 0.25 5.33 4.00
D
D E e L
Front View
7o(4X)
1.27 BSC 0.40 5.80 0o 1.27 6.30 0.10 8o
A2
H y
B
A1
e
A
16
Rev.B.01
AME, Inc.
AME8850
n Package Dimension
SOT-25
Top View D L Side View
600mA CMOS LDO
SYMBOLS A A1 b D E e H L 1
MILLIMETERS MIN
0.00 0.30 2.70 1.40
INCHES MIN
0.0000 0.0118 0.1063 0.0551
MAX
0.15 0.55 3.10 1.80
MAX
0.0059 0.0217 0.1220 0.0709
1.20REF
0.0472REF
H
E
1.90 BSC 2.60 3.00
0.07480 BSC 0.10236 0.11811 0.0146BSC 0o 10 o
S1 e
c1
0.37BSC 0o 10o
Front View A
S1
0.95BSC
0.0374BSC
b
TSOT-25
SYMBOLS
Top View D L Side View
A1
MILLIMETERS MIN MAX
1.25 0.50 3.10 1.80
INCHES MIN
0.0354 0.0118 0.1063 0.0551
MAX
0.0492 0.0197 0.1220 0.0709
A+A1 b D E e H L 1 S1
0.90 0.30 2.70 1.40
H
E
1.90 BSC 2.40 3.00
0.07480 BSC 0.09449 0.11811 0.0138BSC
o
0.35BSC 0
o
S1 e
c1
10
0o
10o
0.95BSC
0.0374BSC
Front View A b
Rev.B.01
A1
17
AME, Inc.
AME8850
n Package Dimension
DFN-8 (3mmx3mmx0.75mm)
600mA CMOS LDO
D
SYMBOLS A D E e D1 E1 b
MILLIMETERS MIN MAX 0.800 3.100 3.100 0.700 2.400 1.600 0.320 0.575 0.253 0.050 0.700 2.900 2.900 0.600 2.200 1.400 0.200 0.375 0.153 0.000
INCHES MIN 0.028 0.114 0.114 0.024 0.087 0.055 0.008 0.015 0.0060 0.0000 MAX 0.031 0.122 0.122 0.028 0.094 0.063 0.013 0.023 0.010 0.002
i (c)u C E P SD 3/4O 11 Ax |~ N
i Ax
E
TOP VIEW
L G G1
A REAR VIEW
G1
G
b
e
L
E1
PIN #1
D1 BOTTOM VIEW
18
Rev.B.01
www.ame.com.tw
E-Mail: sales@ame.com.tw
Life Support Policy: These products of AME, Inc. are not authorized for use as critical components in life-support devices or systems, without the express written approval of the president of AME, Inc. AME, Inc. reserves the right to make changes in the circuitry and specifications of its devices and advises its customers to obtain the latest version of relevant information. (c) AME, Inc. , Auguest 2007 Document: 2095-DS8850-B.01
Corporate Headquarter
AME, Inc.
2F, 302 Rui-Guang Road, Nei-Hu District Taipei 114, Taiwan, R.O.C. Tel : 886 2 2627-8687 Fax: 886 2 2659-2989
U.S.A. (Subsidiary)
Analog Microelectronics, Inc.
3100 De La Cruz Blvd., Suite 201 Santa Clara, CA. 95054-2438 Tel : (408) 988-2388 Fax : (408) 988-2489

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