AS431 BCDSEMI | Alldatasheet

Document overview

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Technical content

Features

Programmable Precise Output Voltage from 2.5V to 36V Very Accurate Reference Voltage: 0.15% Typical High Stability under Capacitive Load Low Temperature Deviation: 4.5mV Typical Low Equivalent Full-range Temperature Coeffi- cient with 20PPM/oC Typical Low Dynamic Output Resistance: 0.15Ω Typical Sink Current Capacity from 1mA to 100 mA Low Output Noise Wide Operating Range of -40 to 125oC

Applications

Precision Voltage Reference SOT-23-3 TO-92 SOT-89 Figure 1. Package Types of AS431

ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Data Sheet Nov. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited

Ordering Information

B: 0.8% A: 0.4% E1: Lead-Free Blank: Tin Lead AS431 - Package Temperature Range Voltage Tolerance Part Number Marking ID Packing Type Tin Lead Lead Free Tin Lead Lead Free SOT-23-3 -40 to 125oC 0.4% AS431ANTR-E1 EB5 Tape & Reel 0.8% AS431BNTR-E1 EB6 Tape & Reel SOT-23-5 -40 to 125oC 0.4% AS431AKTR-E1 E6H Tape & Reel 0.8% AS431BKTR-E1 E6I Tape & Reel TO-92 -40 to 125oC 0.4% AS431AZ-E1 AS431AZ-E1 Bulk 0.4% AS431AZTR-E1 AS431AZ-E1 Ammo 0.8% AS431BZ-E1 AS431BZ-E1 Bulk 0.8% AS431BZTR-E1 AS431BZ-E1 Ammo SOT-89 -40 to 125oC 0.4% AS431ARTR-E1 E43G Tape & Reel 0.8% AS431BRTR-E1 E43H Tape & Reel Package N: SOT-23-3 K: SOT-23-5 R: SOT-89 TR: Tape and Reel or Ammo Blank: Tube or Bulk BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Z: TO-92

ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Data Sheet Nov. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Parameter Symbol Value Unit Cathode Voltage VKA V Cathode Current Range (Continuous) IKA -100 to 150 mA Reference Input Current Range IREF mA Power Dissipation PD mW Junction Temperature TJ 160 oC Storage Temperature Range TSTG -65 to 150 oC Package Thermal Impedance θJA N Package: 330 oC/W Z Package: 150 R Package: 50 K Package: 250 ESD (Human Body Model) 4000 V Parameter Symbol Min Max Unit Cathode Voltage VKA VREF V Cathode Current IKA 1.0 100 mA Operating Ambient Temperature Range -40 125 oC Recommended Operating Conditions 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. Absolute Maximum Ratings (Note 1)

ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Nov. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Data Sheet Parameter Test Circuit Symbol Conditions AS431 Unit Min Typ Max Reference Voltage 0.4% VREF VKA=VREF, IKA=10mA 2.490 2.500 2.510 V 0.8% 2.480 2.500 2.520 Deviation of Reference Voltage Over-temperature ∆VREF VKA=VREF IKA=10mA 0 to 70oC 4.5 mV -40 to 85oC 4.5 Ratio of Change in Reference Voltage to the Change in Cathode Voltage ∆VREF ∆VKA IKA=10mA ∆VKA= 10V to VREF -1.0 -2.7 mV/V ∆VKA= 36V to 10V -0.5 -2.0 Reference Current IREF IKA=10mA, R1=10KΩ, R2=∞ 0.7 µA Deviation of Reference Current Over Full Temperature Range ∆IREF IKA=10mA, R1=10KΩ R2=∞, TA=-40 to 85oC 0.4 1.2 µA Minimum Cathode Current for Regulation IKA (Min) VKA=VREF 0.4 1.0 mA Off-state Cathode Current IKA (Off) VKA=36V, VREF=0 0.05 1.0 µA Dynamic Impedance ZKA VKA=VREF, IKA=1 to 100mA, f ≤ 1.0KHz 0.15 0.5 Ω Operating Conditions: TA=25oC, unless otherwise specified.

Figure 16. Pulse Response of Input and Output Voltage

ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Nov. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Data Sheet Mechanical Dimensions TO-92 Unit: mm (inch) 2.440(0.096) 2.640(0.104) 0.380(0.015) 0.550(0.022) Φ1.600(0.063) MAX 14.100(0.555) 14.500(0.571) 1.270(0.050) TYP 3.300(0.130) 3.700(0.146) 4.300(0.169) 4.700(0.185) 1.100(0.043) 1.400(0.055) 4.400(0.173) 4.700(0.185) 3.430(0.135) MIN 0.360(0.014) 0.510(0.020) 0.000(0.000) 0.380(0.015)

ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Data Sheet Nov. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Mechanical Dimensions (Continued) SOT-23-3 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) 0.390(0.015) 0.450(0.018) 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°

ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Nov. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Data Sheet 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) 1.050(0.041) 0.300(0.012) 0.950(0.037) 1.050(0.041) 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) 1.250(0.049) 0.100(0.004) 1.150(0.045) 0.200(0.008) 0.600(0.024) 1.800(0.071) 2.000(0.079) 0.700(0.028) REF TYP

ADJUSTABLE PRECISION SHUNT REGULATORS AS431 Data Sheet Nov. 2005 Rev. 1. 1 BCD Semiconductor Manufacturing Limited Mechanical Dimensions (Continued) SOT-89 Unit: mm(inch) 1.400(0.055)* 1.630(0.064) 4.400(0.173) 0.360(0.014) 0.440(0.017) 3.000(0.118) 0.900(0.035) 2.300(0.091) 3.950(0.156) 1.400(0.055) 0.360(0.014) 10° 10° R0.200(0.008) R0.150(0.006) 0.000(0.000) 1.600(0.063) 0.440(0.017) 0.560(0.022) 2.600(0.102) 0.480(0.019) 4.600(0.181) 1.830(0.072) 1.200(0.047) 4.250(0.167) 0.076(0.003) 0.360(0.014) 0.480(0.019)

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 27B, Tower C, 2070, Middle Shen Nan Road, Shenzhen 518031, China Tel: +86-755-8368 3987, Fax: +86-755-8368 3166 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 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 - 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