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AZ431L series voltage three-terminal adjustable regulators with guaran


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VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
AZ431L 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 1.24V with external resistors. AZ431L 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 1.24V 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 100mA Output Noise Wide Operating Range 125oC
Applications
Graphic Card Motherboard Voltage Adapter Switching Power Supply Charger
SOT-89-3
TO-92
TO-92 Ammo Packing
SOT-23
SOT-23-5
Figure Package Types AZ431L
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
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 AZ431L (Top View)
Functional Block Diagram
CATHODE
VREF
ANODE
Figure Functional Block Diagram AZ431L Mar. 2007 Rev. Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
Ordering Information
AZ431L
Lead Free Blank: Lead
Circuit Type Tape Reel Ammo Blank: Bulk Voltage 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 AZ431LAZ AZ431LAZTR AZ431LBZ AZ431LBZTR Lead Free AZ431LAZ-E1 AZ431LAZTR-E1 AZ431LBZ-E1 AZ431LBZTR-E1 AZ431LANTR-E1 AZ431LBNTR-E1 AZ431LAKTR AZ431LBKTR AZ431LARTR AZ431LBRTR AZ431LAKTR-E1 AZ431LBKTR-E1 AZ431LARTR-E1 AZ431LBRTR-E1 R41A R41B
Marking Lead AZ431LAZ AZ431LAZ AZ431LBZ AZ431LBZ Lead Free AZ431LAZ-E1 AZ431LAZ-E1 AZ431LBZ-E1 AZ431LBZ-E1 E41A E41B
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 (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
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 Operating Conditions
Parameter Cathode Voltage Cathode Current Operating Ambient Temperature Range Symbol VREF Unit
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
Electrical Characteristics
(Operating Conditions: TA=25oC, unless otherwise noted.)
Parameter Reference Voltage 0.5% 1.0% Test Symbol Circuit VREF Conditions VKA=VREF, IKA=10mA 70oC Deviation Reference Voltage Over Full Temperature Range VKA=VREF VREF IKA=10mA -40oC 85oC 1.234 1.228 1.240 1.240 -0.5 1.246 1.252 -1.5 mV/V Unit
-40oC 125oC Ratio Change VREF Change Cathode Voltage VREF IKA=10mA, VKA:VREF IREF IKA=10mA, R1=10K, IKA=10mA, R1=10K, TA=-40 125oC VKA=VREF VREF=0, VKA=18V VKA=6, VREF=0 VKA=VREF, IKA=1 100mA 1.0kHz
Reference Input Current
0.15
Deviation Reference Current Over Full Temperature Range Minimum Cathode Current Regulation Off-state Cathode Current Dynamic Impedance
IREF (Min) (Off)
0.04 0.01 0.05
0.10 0.05 0.15
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
Electrical Characteristics (Continued)
VREF
Figure Test Circuit VKA=VREF
IREF VKA=VREF*(1+R1/R2)+ IREF*R1 VREF
Figure Test Circuit VKA>VREF
IOFF
Figure Test Circuit IOFF
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
Typical Performance Characteristics
1.242
VKA=VREF
1.241
0.18
IKA=10mA
0.17
R1=10K R2=Infinite IKA=10mA
Reference Voltage
1.240
Reference Current (µA)
0.16
1.239
0.15
1.238
1.237
0.14
1.236
0.13
1.235
0.12
Ambient Temperature
Ambient Temperature
Figure Reference Voltage Ambient Temperature
Figure Reference Current Ambient Temperature
VKA=VREF
VKA=VREF TA=25
TA=25
Cathode Current (µA)
Cathode Current (mA)
-100 -200 -300
-100
-150
Cathode Voltage
Cathode Voltage
Figure Cathode Current Cathode Voltage
Figure Cathode Current Cathode Voltage
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
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
Dynamic Impedance
IKA=1mA 100mA
0.01
100k
Frequency (Hz)
Figure Dynamic Impedance Frequency
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
Typical Performance Characteristics (Continued)
Input output voltage
Input
Output 1.8K Pulse Generator f=100KHz
Output
Time (µS)
Figure Pulse Response Input Output Voltage
-0.30
IKA=10mA
-0.35
Ratio VREF (mV/V)
VKA=VREF
-0.40
-0.45
-0.50
-0.55
Ambient Temperature
Figure Ratio Delta Reference Voltage Ratio Cathode Voltage Ambient Temperature
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
Typical ApplicationS
VOUT=(1+R1/R2)*VREF
AZ431L
Figure Shunt Regulator
VOUT
VOUT=(1+R2/R3)*VREF
VREF
AZ431L AZ432
Figure High Current Shunt Regulator
IOUT
IOUT=VREF/R2+IKA
AZ431L
Figure17. Current Source Current Limit
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
Typical Application (Continued)
8.2K
AZ1117 AZ431L
5V/1A
Figure18. Precision Regulator
VOUT
AZ431L
COMP
Controller
PS521
Figure Converter with Reference
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
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 (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
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 (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
Mechanical Dimensions (Continued) SOT-23 Unit: mm(inch)
Mar. 2007 Rev.
Semiconductor Manufacturing Limited
VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
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 (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR AZ431L
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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