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AZ432 series voltage three-terminal adjustable regulators with guarant


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VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
AZ432 series voltage three-terminal adjustable regulators with guaranteed thermal stability over full operation range. These feature sharp turn-on characteristics, temperature coefficient output impedance, which make them ideal substitutes Zener diodes applications such switching power supply, charger, motherboard other adjustable regulators. output voltage value between 1.25V with external resistors. AZ432 precision reference offered voltage tolerance: 0.5% 1.0%. These available packages: TO-92 (bulk ammo packing), SOT-23, SOT-23-5, SOT-89-3.
Features
Wide Programmable Precise Output Voltage from 1.25V High Stability under Capacitive Load Temperature Deviation: Typical Equivalent Full-Range Temperature Coefficient: 20PPM/oC Typical Dynamic Output Resistance: 0.05 Typical High Sink Current Capacity from 0.1mA Output Noise Wide Operating Range 125oC
Applications
Graphic Card Motherboard Voltage Adapter Switching Power Supply Charger
TO-92
TO-92 Ammo Packing
SOT-89-3
SOT-23-5
SOT-23
Figure Package Types AZ432
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Configuration
Package (TO-92) Package (TO-92 Ammo Packing) Package (SOT-23)
ANODE CATHODE ANODE
CATHODE ANODE
CATHODE
Package (SOT-23-5)
Package (SOT-89-3)
CATHODE
ANODE
ANODE CATHODE
Figure Configuration AZ432 (Top View)
Functional Block Diagram
CATHODE
VREF
ANODE
Figure Functional Block Diagram AZ432
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Ordering Information
AZ432 Circuit Type
Lead Free
Blank: Lead
Tape Reel Ammo
Blank: Tube Bulk Bandage Tolerance 0.5% 1.0%
Package
TO-92 SOT-23 SOT-23-5 SOT-89-3
Package
Temperature Range
Voltage Tolerance 0.5%
Part Number Lead AZ432AZ AZ432AZTR AZ432BZ AZ432BZTR Lead Free AZ432AZ-E1 AZ432AZTR-E1 AZ432BZ-E1 AZ432BZTR-E1 AZ432ANTR-E1 AZ432BNTR-E1 AZ432AKTR AZ432BKTR AZ432ARTR AZ432BRTR AZ432AKTR-E1 AZ432BKTR-E1 AZ432ARTR-E1 AZ432BRTR-E1 R42A R42B
Marking Lead AZ432AZ AZ432AZ AZ432BZ AZ432BZ Lead Free AZ432AZ-E1 AZ432AZ-E1 AZ432BZ-E1 AZ432BZ-E1 E42A E42B
Packing Type Bulk Ammo Bulk Ammo Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel
TO-92
125oC
0.5% 1.0% 1.0%
SOT-23
125oC 125oC 125oC
0.5% 1.0% 0.5% 1.0% 0.5% 1.0%
SOT-23-5
SOT-89-3
Semiconductor's Pb-free products, designated with "E1" suffix part number, RoHS compliant.
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Absolute Maximum Ratings (Note
Parameter Cathode Voltage Cathode Current Range (Continuous) Reference Input Current Range Symbol IREF Package Junction Temperature Storage Temperature Range TSTG
Value -100 Package
Unit
Power Dissipation
Note Stresses greater than those listed under "Absolute Maximum Ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "Recommended Operating Conditions" implied. Exposure "Absolute Maximum Ratings" extended periods affect device reliability.
Recommended Operation Ratings
Parameter Cathode Voltage Cathode Current Operating Ambient Temperature Range Symbol VREF Unit
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Electrical Characteristics
(Typical limits apply TA=25oC, unless otherwise noted.)
Parameter Reference Voltage 0.5% 1.0% Test Circuit Symbol VREF Conditions VKA=VREF, IKA=10mA 70oC Deviation Reference Voltage Over Full Temperature Range Ratio Change VREF Change Cathode Voltage Reference Input Current Deviation Reference Current Over Full Temperature Range Minimum Cathode Current Regulation Off-state Cathode Current Dynamic Impedance VREF VREF IREF IREF (MIN) (OFF) VKA=VREF IKA=10mA 85oC IKA=10mA, VKA: VREF IKA=10mA, R1=10K, IKA=10mA, R1=10K, TA=-40 125oC VKA=VREF VREF=0, VKA=18V VKA=6V, VREF=0 VKA=VREF, IKA=1 100mA f1.0kHz
1.244 1.238
1.250 1.250 -0.5 0.15 0.04 0.01 0.05
1.256 1.262 -1.5 0.10 0.05 0.15
Unit
mV/V
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Electrical Characteristics (Continued)
VREF
Figure Test Circuit VKA=VREF
IREF VKA=VREF(1+R1/R2)+ IREF VREF
Figure Test Circuit VKA>VREF
IOFF
Figure Test Circuit IOFF
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Typical Performance Characteristics
1.253
0.18
1.252
VKA=VREF
Reference Current (µA)
Reference Voltage
IKA=10mA
1.251
0.17
R1=10K R2=Infinite IKA=10mA
0.16
1.250
0.15
1.249
0.14
1.248
0.13
1.247
0.12
Ambient Temperature
Ambient Temperature
Figure Reference Voltage Ambient Temperature
Figure Reference Current Ambient Temperature
VKA=VREF TA=25
Cathode Current (µA)
-100 -200
VKA=VREF TA=25
Cathode Current (mA)
-100
-300
-150
-1.0
-0.5
Cathode Voltage
Cathode Voltage
Figure Cathode Current Cathode Voltage
Figure Cathode Current Cathode Voltage
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Typical Performance Characteristics (Continued)
Output
TA=25 IKA=10mA
6.8K 10µF
Voltage Gain (dB)
4.3K
100k
Small Signal Frequency (Hz)
Figure Small Signal Voltage Gain Frequency
Output
Impedance
0.01
100k
Frequency (Hz)
Figure Dynamic Impedance Frequency
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Typical Performance Characteristics (Continued)
Input Output Voltage
Input
Output 1.8K Pulse Generator f=100KHz
Output
Time (µS)
Figure Pulse Response Input Output Voltage
-0.3
IKA=10mA Ratio VREF (mV/V)
VKA=VREF
-0.4
-0.5
Ambient Temperature
Figure Ratio Delta Reference Voltage Ratio Delta Cathode Voltage Ambient Temperature
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Typical ApplicationS
VOUT=(1+R1/R2)*VREF
AZ432
Figure Shunt Regulator
VOUT
VOUT=(1+R2/R3)*VREF
VREF
AZ432
Figure High Current Shunt Regulator
IOUT
IOUT=VREF/R2+IKA
AZ432
Figure17. Current Source Current Limit
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Typical Application (Continued)
8.2K
AZ1117
2.5V/1A
AZ432
Figure18. Precision 2.5V/1A Regulator
VOUT
AZ432
COMP
Controller
PS521
Figure Converter with Reference
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Mechanical Dimensions TO-92 Unit: mm(inch)
1.100(0.043) 1.400(0.055) 3.430(0.135) 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) 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)
2.440(0.096) 2.640(0.104)
Mar. 2007 Rev.
14.100(0.555) 14.500(0.571)
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Mechanical Dimensions (Continued) TO-92 Ammo Packing Unit: mm(inch)
12.400(0.488) 13.000(0.512)
±1.000(0.039) 4.400(0.173) 4.600(0.181)
±1.000(0.039) 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) 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)
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.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Mechanical Dimensions (Continued) SOT-23 Unit: mm(inch)
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Mechanical Dimensions (Continued) SOT-23-5 Unit: mm(inch)
2.820(0.111) 3.020(0.119)
0.100(0.004) 0.200(0.008)
2.650(0.104)
2.950(0.116)
1.500(0.059) 1.700(0.067)
0.200(0.008)
0.700(0.028)
0.950(0.037)
0.300(0.012) 0.400(0.016) 1.800(0.071) 2.000(0.079)
0.300(0.012) 0.600(0.024)
1.050(0.041)
1.250(0.049)
0.000(0.000) 0.100(0.004)
1.050(0.041) 1.150(0.045)
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.25V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ432
Mechanical Dimensions (Continued) SOT-89-3 Unit: mm(inch)
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)
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)
R0.150(0.006)
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
http://www.bcdsemi.com
IMPORTANT NOTICE Semiconductor Manufacturing Limited reserves right make changes without further notice products specifications herein. Semiconductor Manufacturing Limited does assume responsibility products particular purpose, does Semiconductor Manufacturing Limited assume liability arising application products circuits. Semiconductor Manufacturing Limited does convey license under patent rights other rights rights others.
MAIN SITE Semiconductor Manufacturing Limited
Wafer Shanghai SIM-BCD Semiconductor Manufacturing Limited 800, Shan Road, Shanghai 200233, China Tel: +86-21-6485 1491, Fax: +86-21-5450 0008
Semiconductor Manufacturing Limited
Design Group Advanced Analog Circuits (Shanghai) Corporation Zone 900, Shan Road, Shanghai 200233, China Tel: +86-21-6495 9539, Fax: +86-21-6485 9673
REGIONAL SALES OFFICE
Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. Shenzhen Office Advanced Analog Circuits (Shanghai) Corporation Shenzhen Office Room Noble Center, No.1006, Fuzhong Road, Futian District, Shenzhen 518026, China Tel: +86-755-8826 7951 Fax: +86-755-8826 7865 Taiwan Office Semiconductor (Taiwan) Company Limited 298-1, Guang Road, Nei-Hu District, Taipei, Taiwan Tel: +886-2-2656 2808 Fax: +886-2-2656 2806 Office Semiconductor Corporation 30920 Huntwood Ave. Hayward, 94544, U.S.A +1-510-324-2988 Fax: +1-510-324-2788

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