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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 100 mA 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, SOIC-8, SOT-223 and SOT-89 packages.
AZ78LXX
Features
* * * * * * Output Current up to 100 mA Fixed Output Voltage 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
SOIC-8
SOT-223
SOT-89
Figure 1. Package Types of the AZ78LXX
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Pin Configuration AZ78LXX
Z Package (TO-92)
H Package (SOT-223)
3 INPUT GND OUTPUT
3 2 1
INPUT GND OUTPUT GND 4 2 1
Connect pin 4 to pin 2 or leave pin 4 electrically isolated
M Package (SOIC-8)
OUTPUT GND GND N/C 1 2 3 4 8 7 6 5 INPUT GND GND N/C GND
R Package (SOT-89)
3 4 2 1 INPUT GND OUTPUT
Figure 2. Pin Configuration of the AZ78LXX (Top View)
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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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
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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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
AZ78LXX
Blank: Tin Lead
TR: Tape and Reel or Ammo
Blank: Tube or Bulk Package Z: TO-92 R: SOT-89 H: SOT-223 M: SOIC-8
Part Number 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
Package
Temperature Range
Tin Lead AZ78L05Z AZ78L05ZTR AZ78L08Z
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
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
TO-92
0 to 125oC
AZ78L08ZTR AZ78L09Z AZ78L09ZTR AZ78L12Z AZ78L12ZTR AZ78L05M AZ78L05MTR AZ78L08M
SOIC-8
0 to 125oC
AZ78L08MTR AZ78L09M AZ78L09MTR AZ78L12M AZ78L12MTR AZ78L05RTR
SOT-89
0 to 125oC
AZ78L08RTR AZ78L09RTR AZ78L12RTR AZ78L05HTR
SOT-223
0 to 125oC
AZ78L08HTR AZ78L09HTR AZ78L12HTR
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Absolute Maximum Ratings (Note 1)
Parameter Input Voltage Operating Junction Temperature Range Lead Temperature (Soldering, 10sec) Power Dissipation (TA=25oC) Symbol VCC TJ TLEAD PD TO-92 SOIC-8 SOT-223 SOT-89 Storage Temperature Range ESD (Machine Model) TSTG -65 to 150 300 Value 20 0 to125 265 0.65 0.6 0.7 0.65
oC
AZ78LXX
Unit V
o o
C C
W
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 Operating Junction Temperature Range
Symbol TJ
Min 0
Max 125
Unit
o
C
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Electrical Characteristics AZ78L05 Electrical Characteristics
Limits in standard typeface are for TJ =25oC, Bold typeface applies over 0oC to 125oC, IO=40 mA, CI =0.33F, CO=0.1F, VI =10V, unless otherwise specified.
Parameter Output Voltage Symbol VO 7.0V VI 15V 1.0mA IO 40mA (Note 2) Line Regulation Load Regulation Quiescent Current Quiescent Current Change VRLINE VRLOAD IQ IQ NO VI/ VO IPK VO/ T VI(Min) IO = 5.0mA 8.0V VI 15V 1.0mA IO 40mA Output Noise Voltage Ripple Rejection Peak Output Current Average Temperature Coefficient of Output Voltage Minimum Value of Input Voltage Required to Maintain Line Regulation 10Hz f 100kHz (Note 3) f=120Hz, 8.0V VI 15V 47 40 62 150 -0.65 6.7 7 7.0V VI 15V 1.0mA IO 100mA 18 20 3 75 60 5 1.0 0.1 V dB mA mV/ oC V mV mV mA mA Conditions Min 4.8 4.75 Typ 5 Max 5.2 5.25 Unit V
AZ78LXX
Note 2: Power Dissipation 0.6W Note 3: Recommended minimum load capacitance of 0.01F to limit high frequency noise.
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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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 0oC to 125oC, IO=40 mA, CI =0.33F, CO=0.1F, VI =14V, unless otherwise specified.
Parameter Output Voltage Symbol VO 11V VI 18V 1.0mA IO 40mA (Note 2) Line Regulation Load Regulation Quiescent Current Quiescent Current Change VRLINE VRLOAD IQ IQ NO VI/ VO IPK VO/ T VI(Min) IO = 5.0mA 11V VI 18V 1.0mA IO 40mA Output Noise Voltage Ripple Rejection Peak Output Current Average Temperature Coefficient of Output Voltage Minimum Value of Input Voltage Required to Maintain Line Regulation 10Hz f 100kHz (Note 3) f=120Hz, 11V VI 18V 39 60 45 150 -0.8 9.7 11V VI 18V 1.0mA IO 100mA 18 20 3 75 90 5 1.5 0.1 V dB mA mV/ oC V mV mV mA mA Conditions Min 7.7 7.6 Typ 8.0 Max 8.3 8.4 Unit V
AZ78LXX
Note 2: Power Dissipation 0.6W Note 3: Recommended minimum load capacitance of 0.01F to limit high frequency noise.
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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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 0oC to 125oC, IO=40 mA, CI =0.33F, CO=0.1F, VI =15V, unless otherwise specified.
Parameter Output Voltage Symbol VO 12V VI 18V 1.0mA IO 40mA (Note 2) Line Regulation Load Regulation Quiescent Current Quiescent Current Change VRLINE VRLOAD IQ IQ NO VI/ VO IPK VO/ T VI(Min) IO = 5.0mA 12V VI 18V 1.0mA IO 40mA Output Noise Voltage Ripple Rejection Peak Output Current Average Temperature Coefficient of Output Voltage Minimum Value of Input Voltage Required to Maintain Line Regulation 10Hz f 100kHz (Note 3) f=120Hz, 12V VI 18V 38 70 44 150 -0.9 10.7 12V VI 18V 1.0mA IO 100mA 18 20 3 75 90 5 1.5 0.1 V dB mA mV/ oC V mV mV mA mA Conditions Min 8.6 8.55 Typ 9 Max 9.4 9.45 Unit V
AZ78LXX
Note 2: Power Dissipation 0.6W Note 3: Recommended minimum load capacitance of 0.01F to limit high frequency noise.
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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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 0oC to 125oC, IO=40 mA, CI =0.33F, CO=0.1F, VI =18V, unless otherwise specified.
Parameter Output Voltage Symbol VO 15V VI 18V 1.0mA IO 40mA (Note 2) Line Regulation Load Regulation Quiescent Current Quiescent Current Change VRLINE VRLOAD IQ IQ NO VI/ VO IPK VO/ T VI(Min) IO = 5.0mA 15V VI 18V 1.0mA IO 40mA Output Noise Voltage Ripple Rejection Peak Output Current Average Temperature Coefficient of Output Voltage Minimum Value of Input Voltage Required to Maintain Line Regulation 10Hz f 100kHz (Note 3) f=120Hz, 15V VI 18V 40 80 54 150 -1.0 13.7 15V VI 18V 1.0mA IO 100mA 18 20 3 75 90 5 1.5 0.1 V dB mA mV/ oC V mV mV mA mA Conditions Min 11.5 11.4 Typ 12 Max 12.5 12.6 Unit V
AZ78LXX
Note 2: Power Dissipation 0.6W Note 3: Recommended minimum load capacitance of 0.01F to limit high frequency noise.
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Typical Performance Characteristics AZ78LXX
2.0
Vin-Vout Input/output Differential Voltage (V)
5
1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 -40
IO=40mA
IO=100mA
4
Output Voltage (V)
AZ78L05 VOUT=5V o TJ=25 C Io=40mA Io=1mA
Io=100mA
3
IO=1mA
2
1
AZ78L05
V=1%*VO
0
0
2
4
6
8
10
-20
0
20
40
60
o
80
100
120
Input voltage (V) VI inputVoltage (V)
Junction Temperature ( C)
Figure 4. Dropout Characteristics
Figure 5. Dropout Voltage vs. Junction Temperature
2.9
3.0
2.8
2.5
Quiescent Current (mA)
Input Bias Current (mA)
2.7 2.6 2.5 2.4 2.3 2.2 2.1 -40
2.0
1.5
1.0
AZ78L05 VOUT=5.0V IO=40mA TJ=25 C
o
AZ78L05 VIN=10V IO=5mA
-20 0 20 40 60
o
0.5
80
100
120
0.0 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
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Typical Performance Characteristics (Continued) AZ78LXX
1
VIN from 10V to 11V
No Heatsink
Power Dissipation(W)
VOUT
0.1
VOUT=5.0V Iload=40mA
RJA=250 C/W PD(MAX) to25 C=0.6W
0 25 50 75 100 125
o o
o
150
Ambient Temperature( C)
Figure 8. Maximum Power Dissipation vs. Ambient Temperature (SOIC-8 Package)
Figure 9. Line Transient Response
ILOAD from 1mA to 50mA
VIN=10V VOUT=5.0V
VOUT
25mA
Figure 10. Load Transient Response
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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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
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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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)
Apr. 2005 Rev. 1. 3
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14.100(0.555) 14.500(0.571)
BCD Semiconductor Manufacturing Limited
Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Mechanical Dimensions (Continued) SOIC-8 Unit: mm(inch) AZ78LXX
4.800(0.189) 5.000(0.197) 7 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) 0.900(0.035)
1 5
R0.150(0.006)
0.190(0.007) 0.250(0.010)
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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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)
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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Data Sheet 3-TERMINAL POSITIVE LINEAR REGULATOR Mechanical Dimensions (Continued): SOT-89 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) 0.480(0.019) 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)
Apr. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
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http://www.bcdsemi.com
BCD Semiconductor Corporation
3170 De La Cruz Blvd, Suite # 105 Santa Clara, CA 95054-2411, U.S.A Tel: +1-408-988 6388, Fax: +1-408-988 6386
Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd.
800 Yi Shan Road, Shanghai 200233, PRC Tel: +86-21-6485-1491, Fax: +86-21-5450-0008
Advanced Analog Circuits (Shanghai) Corporation
8F, B Zone, 900 Yi Shan Road, Shanghai 200233, PRC Tel: +86-21-6495 9539, Fax: +86-21-6485 9673
BCD Semiconductor (Taiwan) Company Limited
Room 2210, 22nd Fl, 333, Keelung Road, Sec. 1, TaiPei (110), Taiwan Tel: +886-2-2758 6828, Fax: +886-2-2758 6892
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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