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Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR General Description
The AZ78LXX series are three terminal positive regulators with several fixed output voltages. These regulators can provide local on card regulation, eliminating the distribution problems associated with single point regulation. The AZ78LXX can be used in logic systems, instrumentation, HiFi, and other solid state electronic equipment. When used as a Zener diode/resistor combination replacement, the AZ78LXX usually results an effective output impedance improvement of two orders of magnitude, and lower quiescent current. With adequate heat sinking the AZ78LXX can deliver 100mA output current. Current limiting is included to limit the peak output current to a safe value. Thermal protection is also provided. If internal power dissipation becomes too high for the heat sinking provided, the thermal shutdown circuit takes over preventing the IC from overheating. The AZ78LXX are available in the plastic TO-92 (bulk or ammo packing), SOIC-8, SOT-223 and SOT-89-3 packages.
AZ78LXX
Features
* * * * * * Output Current up to 100mA Fixed Output Voltages of 5V, 8V, 9V and 12V Output Voltage Tolerances of 5% over the Full Temperature Range Internal Short Circuit Current-limiting Internal Thermal Overload Protection No External Components
Applications
* * * * High Efficiency Linear Regulator Post Regulation for Switching Supply Microprocessor Power Supply Mother Board I/O Power Supply
TO-92
TO-92 Ammo Packing
SOIC-8
SOT-223
SOT-89-3
Figure 1. Package Types of the AZ78LXX
Mar. 2007 Rev. 1. 5 1
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Pin Configuration AZ78LXX
Z Package (TO-92)
Z Package (TO-92 Ammo Packing)
H Package (SOT-223)
3 2 1
INPUT GND OUTPUT
3 2 1
INPUT GND OUTPUT GND 4
3 2 1
INPUT GND OUTPUT
Connect pin 4 to pin 2 or leave pin 4 electrically isolated
M Package (SOIC-8)
R Package (SOT-89-3)
OUTPUT GND GND N/C
1 2 3 4
8 7 6 5
INPUT GND GND N/C GND 4
3 2 1
INPUT GND OUTPUT
Figure 2. Pin Configuration of the AZ78LXX (Top View)
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BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Functional Block Diagram
3 (8)
AZ78LXX
INPUT
1
OUTPUT
A(B) A for 3-pin B for 8-pin
2, 4 (2, 3, 6, 7)
GND
Figure 3. Functional Block Diagram of the AZ78LXX
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BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Ordering Information
AZ78L Circuit Type Output Voltage 05: 5V 08: 8V 09: 9V 12: 12V E1: Lead Free Blank: Tin Lead TR: Tape and Reel or Ammo Blank: Tube or Bulk Package Z: TO-92 R: SOT-89-3 H: SOT-223 M: SOIC-8
Part Number Tin Lead AZ78L05Z AZ78L05ZTR AZ78L08Z TO-92 -40 to 125oC AZ78L08ZTR AZ78L09Z AZ78L09ZTR AZ78L12Z AZ78L12ZTR AZ78L05M AZ78L05MTR AZ78L08M SOIC-8 -40 to 125oC AZ78L08MTR AZ78L09M AZ78L09MTR AZ78L12M AZ78L12MTR AZ78L05RTR SOT-89-3 -40 to 125oC AZ78L08RTR AZ78L09RTR AZ78L12RTR AZ78L05HTR SOT-223 -40 to 125oC AZ78L08HTR AZ78L09HTR AZ78L12HTR Lead Free AZ78L05Z-E1 AZ78L05ZTR-E1 AZ78L08Z-E1 AZ78L08ZTR-E1 AZ78L09Z-E1 AZ78L09ZTR-E1 AZ78L12Z-E1 AZ78L12ZTR-E1 AZ78L05M-E1 AZ78L05MTR-E1 AZ78L08M-E1 AZ78L08MTR-E1 AZ78L09M-E1 AZ78L09MTR-E1 AZ78L12M-E1 AZ78L12ZMTR-E1 AZ78L05RTR-E1 AZ78L08RTR-E1 AZ78L09RTR-E1 AZ78L12RTR-E1 AZ78L05HTR-E1 AZ78L08HTR-E1 AZ78L09HTR-E1 AZ78L12HTR-E1 Marking ID Tin Lead AZ78L05Z AZ78L05Z AZ78L08Z AZ78L08Z AZ78L09Z AZ78L09Z AZ78L12Z AZ78L12Z 78L05M 78L05M 78L08M 78L08M 78L09M 78L09M 78L12M 78L12M R78A R78B R78C R78D H78A H78B H78C H78D Lead Free AZ78L05Z-E1 AZ78L05Z-E1 AZ78L08Z-E1 AZ78L08Z-E1 AZ78L09Z-E1 AZ78L09Z-E1 AZ78L12Z-E1 AZ78L12Z-E1 78L05M-E1 78L05M-E1 78L08ZM-E1 78L08M-E1 78L09M-E1 78L09M-E1 78L12M-E1 78L12M-E1 E78A E78B E78C E78D EH78A EH78B EH78C EH78D
AZ78LXX
Package
Temperature Range
Packing Type Bulk Ammo Bulk Ammo Bulk Ammo Bulk Ammo Tube Tape & Reel Tube Tape & Reel Tube Tape & Reel Tube Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Mar. 2007 Rev. 1. 5 4
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Absolute Maximum Ratings (Note 1)
Parameter Input Voltage Operating Junction Temperature Lead Temperature (Soldering, 10sec) Symbol VIN TJ TLEAD TO-92 Power Dissipation (TA=25oC) PD SOIC-8 SOT-223 SOT-89-3 Storage Temperature Range ESD (Human Body Model) ESD (Machine Model) TSTG ESD ESD -65 to 150 2000 200 Value 20 150 260 0.65 0.6 0.7 0.65
oC
AZ78LXX
Unit V
o o
C C
W
V V
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to
the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter AZ78L05 Input Voltage AZ78L08 AZ78L09 AZ78L12 Operating Junction Temperature TJ -40 VIN Symbol Min Max 15 18 18 18 125
o
Unit
V
C
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BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Electrical Characteristics AZ78L05 Electrical Characteristics
Limits in standard typeface are for TJ=25oC, Bold typeface applies over -40oC to 125oC, IOUT=40mA, CIN =0.33F, COUT=0.1F, VIN=10V, unless otherwise specified.
Parameter Output Voltage Symbol VOUT Conditions Min 4.8 7.0V 1.0mA Line Regulation Load Regulation Dropout Voltage Quiescent Current Quiescent Current Change VRLINE VRLOAD VDROP IQ IQ NO PSRR IPK IOUT=0 8.0V 1.0mA Output Noise Voltage Ripple Rejection Peak Output Current 10Hz f VIN IOUT 15V 40mA 40 47 62 150 0.65 6.7 7 7.0V 1.0mA VIN IOUT VIN IOUT 15V 40mA (Note 2) 15V 100mA 18 20 1.6 3 5 1.0 0.1 V dB mA mV/ oC V 75 60 mV mV V mA mA 4.75 Typ 5 Max 5.2 5.25 V Unit
AZ78LXX
100kHz (Note 3) VIN 15V
f=120Hz, 8.0V
Average Temperature Coefficient of VOUT/ T IOUT = 5.0mA Output Voltage Minimum Value of Input Voltage Required to Maintain Line Regulation VIN (Min)
Note 2: Power Dissipation 0.6W Note 3: Recommended minimum load capacitance of 0.01F to limit high frequency noise.
Mar. 2007 Rev. 1. 5 6
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Electrical Characteristics (Continued) AZ78L08 Electrical Characteristics
Limits in standard typeface are for TJ=25oC, Bold typeface applies over -40oC to 125oC, IOUT=40mA, CIN =0.33F, COUT=0.1F, VIN=14V, unless otherwise specified.
Parameter Output Voltage Symbol VOUT Conditions Min 7.7 11V 1.0mA Line Regulation Load Regulation Dropout Voltage Quiescent Current Quiescent Current Change VRLINE VRLOAD VDROP IQ IQ NO PSRR IPK IOUT=0 11V 1.0mA Output Noise Voltage Ripple Rejection Peak Output Current 10Hz f VIN IOUT 18V 40mA 60 39 45 150 0.8 9.7 11V 1.0mA VIN IOUT VIN IOUT 18V 40mA (Note 2) 18V 100mA 18 20 1.6 3 5 1.5 0.1 V dB mA mV/ oC V 75 90 mV mV V mA mA 7.6 Typ 8.0 Max 8.3 8.4 V Unit
AZ78LXX
100kHz (Note 3) VIN 18V
f=120Hz, 11V
Average Temperature Coefficient of VOUT/ T IOUT= 5.0mA Output Voltage Minimum Value of Input Voltage Required to Maintain Line Regulation VIN (Min)
Note 2: Power Dissipation 0.6W Note 3: Recommended minimum load capacitance of 0.01F to limit high frequency noise.
Mar. 2007 Rev. 1. 5 7
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Electrical Characteristics (Continued) AZ78L09 Electrical Characteristics
Limits in standard typeface are for TJ=25oC, Bold typeface applies over -40oC to 125oC, IOUT=40mA, CIN =0.33F, COUT=0.1F, VIN =15V, unless otherwise specified.
Parameter Output Voltage Symbol VOUT Conditions Min 8.6 12V 1.0mA Line Regulation Load Regulation Dropout Voltage Quiescent Current Quiescent Current Change VRLINE VRLOAD VDROP IQ IQ NO PSRR IPK IOUT=0 12V 1.0mA Output Noise Voltage Ripple Rejection Peak Output Current 10Hz f VIN IOUT 18V 40mA 70 38 44 150 0.9 10.7 12V 1.0mA VIN IOUT VIN IOUT 18V 40mA (Note 2) 18V 100mA 18 20 1.6 3 5 1.5 0.1 V dB mA mV/ oC V 75 90 mV mV V mA mA 8.55 Typ 9 Max 9.4 9.45 V Unit
AZ78LXX
100kHz (Note 3) VIN 18V
f=120Hz, 12V
Average Temperature Coefficient of VOUT/ T IOUT= 5.0mA Output Voltage Minimum Value of Input Voltage Required to Maintain Line Regulation VIN (Min)
Note 2: Power Dissipation 0.6W Note 3: Recommended minimum load capacitance of 0.01F to limit high frequency noise.
Mar. 2007 Rev. 1. 5 8
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Electrical Characteristics (Continued) AZ78L12 Electrical Characteristics
Limits in standard typeface are for TJ=25oC, Bold typeface applies over -40oC to 125oC, IOUT=40mA, CIN =0.33F, COUT=0.1F, VIN=18V, unless otherwise specified.
Parameter Output Voltage Symbol VOUT Conditions Min 11.5 15V 1.0mA Line Regulation Load Regulation Dropout Voltage Quiescent Current Quiescent Current Change VRLINE VRLOAD VDROP IQ IQ NO PSRR IPK IOUT=0 15V 1.0mA Output Noise Voltage Ripple Rejection Peak Output Current 10Hz f VIN IOUT 18V 40mA 80 40 54 150 1.0 13.7 15V 1.0mA VIN IOUT VIN IOUT 18V 40mA (Note 2) 18V 100mA 18 20 1.6 3 5 1.5 0.1 V dB mA mV/ oC V 75 90 mV mV V mA mA 11.4 Typ 12 Max 12.5 12.6 V Unit
AZ78LXX
100kHz (Note 3) VIN 18V
f=120Hz, 15V
Average Temperature Coefficient of VOUT/ T IOUT = 5.0mA Output Voltage Minimum Value of Input Voltage Required to Maintain Line Regulation VIN (Min)
Note 2: Power Dissipation 0.6W Note 3: Recommended minimum load capacitance of 0.01F to limit high frequency noise.
Mar. 2007 Rev. 1. 5 9
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Typical Performance Characteristics AZ78LXX
2.0
5
1.8
IOUT=40mA
IOUT=100mA
4
AZ78L05 VOUT=5V TJ =25 oC
1.6
IOUT=100mA
Dropout Voltage (V)
Output Voltage (V)
1.4 1.2 1.0 0.8 0.6 0.4
3
IOUT=40mA IOUT=1mA
IOUT=1mA
2
1
AZ78L05
V=1%*VOUT
0
0.2 0.0 -40
0
2
4
6
8
10
-20
0
20
40
60
o
80
100
120
VI input Voltage (V) Input voltage (V)
Junction Temperature ( C)
Figure 4. Dropout Characteristics
Figure 5. Dropout Voltage vs. Junction Temperature
3.0 2.9 2.8 2.7 2.6 2.5 2.4
3.0
AZ78L05 VIN=10V
2.5
Quiescent Current (mA)
Input Bias Current (mA)
IOUT=5mA
2.0
1.5
1.0
AZ78L05 VOUT=5.0V IOUT=40mA TJ=25 C
o
0.5
2.3 2.2 -40
0.0
-20 0 20 40 60
o
80
100
120
0
2
4
6
8
10
12
14
16
18
20
Junction Temperature ( C)
Input Voltage (V)
Figure 6. Quiescent Current vs. Junction Temperature
Figure 7. Input Bias Current vs. Input Voltage
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BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Typical Performance Characteristics (Continued) AZ78LXX
1
11.5 VIN (0.5V/Div) AZ78L05 11 10.5 10
No Heatsink Power Dissipation (W)
VOUT (20mV/Div)
20 0 -20 -40
JA=250 C/W
0.1
o
PD(MAX) at 25 C=0.6W Package: SOIC-8
o
0
25
50
75
100
o
125
150
Time (4s/Div)
Ambient Temperature ( C)
Figure 8. Power Dissipation vs. Ambient Temperature
Figure 9. Line Transient Response (Conditions: VIN=10 to 11V, VOUT=5V, IOUT=40mA)
75 IOUT (25mA/Div) 50 25 0 AZ78L05
VOUT (100mV/Div)
0 -100 -200 -300
Time (10s/Div)
Figure 10. Load Transient Response (Conditions: VIN=10V, VOUT=5V, IOUT=1 to 50mA)
Mar. 2007 Rev. 1. 5 11
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Typical Application AZ78LXX
VIN +
3
AZ78L05
1 +
VOUT
0.33F (Note 4)
2
0.1F (Note 4)
Note 4: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulator.
Figure 11. Typical Application of the AZ78LXX
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BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Mechanical Dimensions TO-92 Unit: mm(inch) AZ78LXX
1.100(0.043) 1.400(0.055) 3.430(0.135) MIN 0.360(0.014) 0.510(0.020)
3.300(0.130)
3.700(0.146)
0.000(0.000) 0.380(0.015) 1.600(0.063) MAX 4.400(0.173) 4.700(0.185)
4.300(0.169)
4.700(0.185)
0.380(0.015) 0.550(0.022)
1.270(0.050) TYP
2.440(0.096) 2.640(0.104)
Mar. 2007 Rev. 1. 5 13
14.100(0.555) 14.500(0.571)
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Mechanical Dimensions (Continued) TO-92 Ammo Packing Unit: mm(inch) AZ78LXX
12.400(0.488) 13.000(0.512)
1.000(0.039) P 4.400(0.173) 4.600(0.181)
1.000(0.039) h 3.400(0.134) 3.600(0.142) 4.400(0.173) 4.600(0.181)
19.000(0.748) 21.000(0.827) 0.380(0.015) 0.550(0.022) 1.000 (0.039) MAX 5.500(0.217) 6.500(0.256) 6.050(0.238) 6.650(0.262) 2.200(0.087) 2.800(0.110) 2.200(0.087) 2.800(0.110) 15.500(0.610) 16.500(0.650)
2.500(0.098) MIN
8.500(0.335) 9.500(0.374)
3.550(0.140) 4.150(0.163)
3.800(0.150) 4.200(0.165) 17.500(0.689) 19.000(0.748)
12.500(0.492) 12.900(0.508)
0.150(0.006) 0.250(0.010)
0.350(0.014) 0.450(0.018)
Mar. 2007 Rev. 1. 5 14
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Mechanical Dimensions (Continued) SOIC-8 Unit: mm(inch) AZ78LXX
7
4.700(0.185) 5.100(0.201)
1.350(0.053) 1.750(0.069)
0.320(0.013)
8
7
8
0.675(0.027) 0.725(0.029)
D
5.800(0.228) 6.200(0.244)
D 20:1
1.270(0.050) TYP
0.100(0.004) 0.300(0.012) R0.150(0.006)
0.800(0.031) 0.200(0.008)
1.000(0.039) 3.800(0.150) 4.000(0.157)
0 8
0.330(0.013) 0.510(0.020)
0.190(0.007) 0.250(0.010) 0.900(0.035)
1 5
R0.150(0.006)
0.450(0.017) 0.800(0.031)
Mar. 2007 Rev. 1. 5 15
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Mechanical Dimensions (Continued): SOT-223 Unit: mm(inch) AZ78LXX
6.300(0.248) 6.700(0.264) 2.900(0.114) 3.100(0.122) 0.900(0.035) MIN 6.700(0.264) 7.300(0.287)
) 0.250(0.010 14) 0.350(0.0
3.300(0.130)
3.700(0.146)
0.250(0.010)
1.750(0.069) TYP 2.300(0.091) TYP 4.500(0.177) 4.700(0.185) 0.610(0.024) 0.810(0.032) 0 10
0.020(0.001) 0.100(0.004)
1.500(0.059) 1.700(0.067)
1.520(0.060) 1.800(0.071)
Mar. 2007 Rev. 1. 5 16
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Mechanical Dimensions (Continued): SOT-89-3 Unit: mm(inch) AZ78LXX
1.630(0.064) 1.830(0.072) 1.400(0.055)*
4.400(0.173) 4.600(0.181)
0.000(0.000) 0.076(0.003)
1.400(0.055) 1.600(0.063)
R0.200(0.008)
3.950(0.156) 4.250(0.167) 1.200(0.047) 0.900(0.035) 2.300(0.091) 2.600(0.102)
3
10
0.360(0.014) 0.520(0.020) 3.000(0.118)
0.360(0.014) 0.480(0.019) 0.440(0.017) 0.560(0.022)
0.360(0.014) 0.440(0.017)
3
10
R0.150(0.006)
Mar. 2007 Rev. 1. 5 17
BCD Semiconductor Manufacturing Limited
http://www.bcdsemi.com
IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others.
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REGIONAL SALES OFFICE
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