AS431I_12 BCDSEMI | Alldatasheet

Document overview

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Technical content

Features

y Programmable Precise Output V oltage from 2.5V to 36V y High Stability Under Capacitive Load y Low Minimum Cathode Current for Regulation: 10μA (Typ.), 50μA (Max.) y Low Temperature Deviation: 4.5mV Typical y Sink Current Capacity from 50μ A to 100mA y Low Output Noise y Wide Operating Range: -40℃ to 125℃

Applications

y Precision V oltage Reference Figure 1. Package Type of AS431I

Figure 2. Pin Configuration of AS431I (Top View)

Figure 3. Functional Block Diagram of AS431I

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Dec. 2012 Rev. 1. 8 BCD Semiconductor Manufacturing Limited

Ordering Information

C i r c u i t T y p e G 1 : G r e e n V o l t a g e T o l e r a n c e A : 0 . 5 % T R : T a p e a n d R e e l o r A m m o B : 1 . 0 % B l a n k : B u l k P a c k a g e N: SOT-23 R: SOT-89 Z: TO-92 Package Temperature Range Voltage Tolerance Part Number Marking ID Packing Type SOT-23 -40 to 125℃ 0.5% AS431IANTR-G1 GB9 Tape & Reel 1.0% AS431IBNTR-G1 GC9 Tape & Reel TO-92 -40 to 125℃ 0.5% AS431IAZ-G1 AS431IAZ-G1 Bulk 0.5% AS431IAZTR-G1 AS431IAZ-G1 Ammo 1.0% AS431IBZ-G1 AS431IBZ-G1 Bulk 1.0% AS431IBZTR-G1 AS431IBZ-G1 Ammo SOT-89 -40 to 125℃ 0.5% AS431IARTR-G1 G43J Tape & Reel 1.0% AS431IBRTR-G1 G43K Tape & Reel BCD Semiconductor's products, as designated with "G1" suffix in the part number, are RoHS compliant and Green.

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Dec. 2012 Rev. 1. 8 BCD Semiconductor Manufacturing Limited Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit Cathode V oltage V KA 40 V Cathode Current Range (Continuous) I KA -100 to 150 mA Reference Input Current Range I REF 10 mA Power Dissipation P D TO-92 770 mW SOT-89 770 SOT-23 370 Junction Temperature T J 150 °C Storage Temperature Range T STG -65 to 150 °C ESD (Human Body Model) ESD 2000 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 Symbol Min Max Unit Cathode Voltage V KA V REF 36 V Cathode Current I KA 0.05 100 mA Operating Ambient Temperature Range T A -40 125 °C

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Dec. 2012 Rev. 1. 8 BCD Semiconductor Manufacturing Limited

Electrical Characteristics

Operating Conditions: TA=25℃, unless otherwise specified. Parameter Test Circuit Symbol Conditions Min Typ Max Unit Reference Voltage 0.5%

4 V REF V KA=VREF, IKA=10mA

2.487 2.500 2.512 V 1.0% 2.475 2.500 2.525 Deviation of Reference Voltage Over Full Temperature Range 4 ΔVREF VKA=VREF IKA= 10mA 0 to 70oC 4.5 8 mV -40 to 85oC 4.5 10 -40 to 125oC 4.5 16 Ratio of Change in Reference Voltage to the Change in Cathode Voltage ΔVREF ΔVKA IKA=10mA ΔVKA= 10V to VREF -1.0 -2.7 mV/VΔVKA= 36V to 10V -0.5 -2.0 Reference Current 5 I REF IKA=10mA,R1=10kΩ, R2=∞ 0.035 0.5 μA Deviation of Reference Current Over Full Temperature Range 5 ΔIREF IKA=10mA, R1=10kΩ, R2=∞, TA=-40 to 125 oC 0.03 0.3 μA Minimum Cathode Current for Regulation

4 IKA

(Min) VKA=VREF 10 50 μA Off-state Cathode Current 6 IKA (Off) VKA=36V, VREF=0 0.05 1.0 μA Dynamic Impedance 4 Z KA VKA=VREF, IKA=1 to 100mA, f≤1.0kHz 0.15 0.5 Ω Thermal Resistance θJC TO-92 68 °C/WSOT-89 29 SOT-23 113

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Dec. 2012 Rev. 1. 8 BCD Semiconductor Manufacturing Limited Mechanical Dimensions TO-92(Bulk Packing) Unit: mm(inch) 2.420(0.095) 2.660(0.105) 0.360(0.014) 0.760(0.030) Φ1.600(0.063) MAX 1.270(0.050) TYP 1.000(0.039) 1.400(0.055) 4.400(0.173) 4.800(0.189) 3.430(0.135) MIN 0.320(0.013) 0.510(0.020) 0. 000(0. 000) 0. 380(0. 015)

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Dec. 2012 Rev. 1. 8 BCD Semiconductor Manufacturing Limited Mechanical Dimensions (Continued) TO-92(Ammo Packing) Unit: mm(inch) 2.540(0.100 ) Typ 1.270(0.050) Typ 0. (0.015) 0.550(0.022 ) 4.400(0.173 )4.800(0.189 3.430(0.135) MIN 0.320(0.013) 0.510(0.020) 0.000(0.000) 0.380(0.015) MAX 1.100(0.043 1.400(0. 055 Φ1.600(0.063) 380 2.500(0.098 )4.000(0.157 13.000(0.512 )15.000(0.591

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Dec. 2012 Rev. 1. 8 BCD Semiconductor Manufacturing Limited Mechanical Dimensions (Continued) SOT-23 Unit: mm(inch)

LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR AS431I Dec. 2012 Rev. 1. 8 BCD Semiconductor Manufacturing Limited 1.030(0.041)REF 1.550(0.061)REF 4.400(0.173) 4.600(0.181) 0.900(0.035) 1.100(0.043) 3.950(0.156) 4.250(0.167) 3.000(0.118) TYP 0.480(0.019) 2.300(0.091) 0.520(0.020) 3 10 2.060(0.081)REF 1.400(0.055) 1.600(0.063) 0.350(0.014) 0.450(0.018) R0.150(0.006) 1.500(0.059) 0.320(0.013)REF 1.620(0.064)REF 2.210(0.087)REF 0.320(0.013) 0.520(0.020) 1.800(0.071) Mechanical Dimensions (Continued) S O T - 8 9 U n i t : m m ( i n c h )

BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi- cations 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. - Wafer Fab Shanghai SIM-BCD Semiconductor Manufacturing Limited 800, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 BCD Semiconductor Manufacturing Limited MAIN SITE REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. Shenzhen Office Advanced Analog Circuits (Shanghai) Corporation Shenzhen Office Room E, 5F, Noble Center, No.1006, 3rd Fuzhong Road, Futian District, Shenzhen 518026, China Tel: +86-755-8826 7951 Fax: +86-755-8826 7865 Taiwan Office BCD Semiconductor (Taiwan) Company Limited 4F, 298-1, Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel: +886-2-2656 2808 Fax: +886-2-2656 2806 USA Office BCD Semiconductor Corporation 30920 Huntwood Ave. Hayward, CA 94544, U.S.A Tel : +1-510-324-2988 Fax: +1-510-324-2788 - IC Design Group Advanced Analog Circuits (Shanghai) Corporation 8F, Zone B, 900, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com BCD Semiconductor Manufacturing Limited IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi- cations 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. - Wafer Fab Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd.

800 Yi Shan Road, Shanghai 200233, China

Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 MAIN SITE REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd., Shenzhen Office Unit A Room 1203, Skyworth Bldg., Gaoxin Ave.1.S., Nanshan District, Shenzhen, China Tel: +86-755-8826 7951 Fax: +86-755-8826 7865 Taiwan Office BCD Semiconductor (Taiwan) Company Limited 4F, 298-1, Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel: +886-2-2656 2808 Fax: +886-2-2656 2806 USA Office BCD Semiconductor Corp. 30920 Huntwood Ave. Hayward, CA 94544, USA Tel : +1-510-324-2988 Fax: +1-510-324-2788 - Headquarters BCD Semiconductor Manufacturing Limited No. 1600, Zi Xing Road, Shanghai ZiZhu Science-based Industrial Park, 200241, China Tel: +86-21-24162266, Fax: +86-21-24162277