AS431_12 BCDSEMI | Alldatasheet

Document overview

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Technical content

Features

  • Programmable Precise Output V oltage from 2.5V to 36V
  • High Stability under Capacitive Load
  • Low Temperature Deviation: 4.5mV Typical
  • Low Equivalent Full-range Temperature Coeffi- cient with 20PPM/ oC Typical
  • Sink Current Capacity from 1mA to 100mA
  • Low Output Noise
  • Wide Operating Range of -40 to 125oC

Applications

  • Charger
  • V oltage Adapter
  • Switching Power Supply
  • Graphic Card
  • Precision V oltage Reference

Figure 1. Package Types of AS431

BCD Semiconductor Manufacturing Limited ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Dec. 2012 Rev. 2. 6

Ordering Information

B: 1.0% A: 0.5% E1: Lead Free AS431 - Package TR: Tape and Reel or Ammo Blank: Bulk N: SOT-23 K: SOT-23-5 R: SOT-89 Z: TO-92 Package Temperature Range Voltage Tolerance Part Number Marking ID Packing TypeLead Free Green Lead Free Green SOT-23 -40 to 125oC 0.5% AS431ANTR-E1 AS431ANTR-G1 EB5 GB5 Tape & Reel 1.0% AS431BNTR-E1 AS431BNTR-G1 EB6 GB6 Tape & Reel SOT-23-5 -40 to 125oC 0.5% AS431AKTR-E1 AS431AKTR-G1 E6H G6H Tape & Reel 1.0% AS431BKTR-E1 AS431BKTR-G1 E6I G6I Tape & Reel TO-92 -40 to 125oC 0.5% AS431AZ-E1 AS431AZ-G1 AS431AZ-E1 AS431AZ-G1 Bulk 0.5% AS431AZTR-E1 AS431AZTR-G1 AS431AZ-E1 AS431AZ-G1 Ammo 1.0% AS431BZ-E1 AS431BZ-G1 AS431BZ-E1 AS431BZ-G1 Bulk 1.0% AS431BZTR-E1 AS431BZTR-G1 AS431BZ-E1 AS431BZ-G1 Ammo SOT-89 -40 to 125oC 0.5% AS431ARTR-E1 AS431ARTR-G1 E43G G43G Tape & Reel 1.0% AS431BRTR-E1 AS431BRTR-G1 E43H G43H Tape & Reel G1: Green BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with "G1" suffix are available in green packages.

BCD Semiconductor Manufacturing Limited ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Dec. 2012 Rev. 2. 6 Parameter Symbol Value Unit Cathode V oltage VKA 40 V Cathode Current Range (Continuous) IKA -100 to 150 mA Reference Input Current Range IREF 10 mA Power Dissipation PD mW Junction Temperature TJ 150 oC Storage Temperature Range TSTG -65 to 150 oC ESD (Human Body Model) ESD 2000 V Parameter Symbol Min Max Unit Cathode V oltage VKA VREF 36 V Cathode Current IKA 1.0 100 mA Operating Ambient Temperature Range TA -40 125 oC Recommended Operating Conditions Note 2: 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. Absolute Maximum Ratings (Note 2)

Dec. 2012 Rev. 2. 6 BCD Semiconductor Manufacturing Limited ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Parameter Test Circuit Symbol Conditions Min Typ Max Unit Reference V oltage 0.5% 4 VREF VKA=VREF, IKA=10mA 2.487 2.500 2.512 V 1.0% 2.475 2.500 2.525 Deviation of Reference V oltage 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 V oltage to the Change in Cathode V oltage 5 ΔVREF ΔVKA IKA=10mA ΔVKA= 10V to VREF -1.0 -2.7 mV/V ΔVKA= 36V to 10V -0.5 -2.0 Reference Current 5 IREF IKA=10mA,R1=10KΩ, R2=∞ 0.7 4 μA Deviation of Reference Current Over Full Temperature Range 5 ΔI REF IKA=10mA, R1=10KΩ R2=∞, TA=-40 to 125oC 0.4 1.2 μA Minimum Cathode Current for Regulation 4 IKA (Min) VKA=VREF 0.4 1.0 mA Off-state Cathode Current 6 IKA (Off) VKA=36V , VREF=0 0.05 1.0 μA Dynamic Impedance 4 ZKA VKA=VREF, IKA=1 to 100mA, f ≤ 1.0KHz 0.15 0.5 Ω Thermal Resistance θJC SOT-23 135.9 oC/W SOT-23-5 135.9 TO-92 81.9 SOT-89 29.8

Electrical Characteristics

Operating Conditions: TA=25oC, unless otherwise specified.

Figure 16. Pulse Response of Input and Output Voltage

Dec. 2012 Rev. 2. 6 BCD Semiconductor Manufacturing Limited ADJUSTABLE PRECISION SHUNT REGULATORS AS431 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 12.500(0.492) 15.500(0.610) 1.270(0.050) TYP 3.300(0.130) 3.700(0.146) 4.300(0.169) 4.700(0.185) 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)

BCD Semiconductor Manufacturing Limited ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Dec. 2012 Rev. 2. 6 Mechanical Dimensions (Continued) TO-92(Ammo Packing) Unit: mm(inch) Φ 4.300(0.169) 4.700(0.185) 12.500(0.492) 14.500(0.571) 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 3.300(0.130) 3.800(0.150) Φ1.600(0.063) 380 2.500(0.098 )4.000(0.157 13.000(0.512 )15.000(0.591

Dec. 2012 Rev. 2. 6 BCD Semiconductor Manufacturing Limited ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Mechanical Dimensions (Continued) SOT-23 Unit: mm(inch) 2.300(0.091) 2.500(0.098) 1.200(0.047) 1.400(0.055) 0.920(0.036) 0.980(0.039) 0.300(0.012) 0.500(0.020) 1.900(0.075)REF 2.800(0.110) 3.000(0.118) 2.0° 3.0 ° 0.500(0.020) 0.700(0.028) 1.050(0.041)REF 0.020(0.001) 0.100(0.004) 0.900(0.035) 1.100(0.043) 4×R0.100(0.004) 7.0° 7.0° 0.550(0.022)REF 0.200(0.008)MIN 0.100(0.004) GAUGE PLANE 0.080(0.003) 0.150(0.006) R0.100(0.004) 0.0°~10.0°

BCD Semiconductor Manufacturing Limited ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Dec. 2012 Rev. 2. 6 Mechanical Dimensions (Continued) SOT-23-5 Unit: mm(inch) 2.820(0.111) 2.650(0.104) 1.500(0.059) 0.000(0.000) 0.300(0.012) 0.950(0.037) 0.900(0.035) 0.100(0.004) 0.200(0.008) 0.300(0.012) 3.020(0.119) 1.700(0.067) 2.950(0.116) 0.400(0.016) 0.150(0.006) 1.300(0.051) 0.200(0.008) 0.600(0.024) 1.800(0.071) 2.000(0.079) 0.700(0.028) REF TYP 1.450(0.057) M AX

Dec. 2012 Rev. 2. 6 BCD Semiconductor Manufacturing Limited ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Mechanical Dimensions (Continued) SOT-89 Unit: mm(inch) 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) 2.600(0.102) 0.320(0.013) 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)

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