H431AA/BA/CA AJDUSTABLE SHUNT REGULATOR Description H43
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Spec. HA200216 Issued Date 1998.04.08 Revised Date 2003.05.13 Page
H431AA/BA/CA
AJDUSTABLE SHUNT REGULATOR
Description
H431XA series three-terminal adjustable regulators with guaranteed thermal stability over applicable temperature ranges. output voltage value between VREF (approximately 2.495 volts) TO-92 volts with external resistors. These devices have typical dynamic output impedance 0.2. Active output circuitry provides very sharp turn-on characteristic, making these devices excellent replacement zener diodes many applications.
Features
Programmable output voltage Temperature coefficient 50ppm/oC typical Temperature compensated operation over full temperature range output noise voltage Fast turn response
Classification
Rank VREF 2.495±2% 2.495±1% 2.495±0.5%
Absolute Maximum Ratings
(Operating temperature range applies unless otherwise specified) Characteristics Cathode Voltage Cathode Current Range (Continuous) Reference Input Current Range Power Dissipation Operating Temperature Range Storage Temperature Range Symbol IREF Topr Tstg Value -100~+150 0.05~+10 0~+70 -65~+150 Unit
Functional Block Diagram Symbol
Functional Block Diagram
Cathode
Symbol
Cathode
Reference
Reference
Anode
Anode
H431AA, H431BA, H431CA
HSMC Product Specification
Test Circuits
VZ=VREF IREF VREF VREF VZ>VREF
Spec. HA200216 Issued Date 1998.04.08 Revised Date 2003.05.13 Page
Off-State Current
IREF
Note VZ=VREF(1+R1/R2)+IREFxR1
Electrical Characteristics (Ta=25oC unless otherwise specified)
Characteristics Reference Input Voltage H431AA H431BA H431CA Deviation Reference Input Voltage Over-Temperature Ratio Change Reference Input Voltage Change Cathode Voltage Reference Input Current Symbol VREF VREF(dev) VREF IREF Test Conditions VKA=VREF, IK=10mA VKA=VREF, IK=10mA TminTaTmax IK=10mA, VKA=10V-VREF IK=10mA, KKA=36V-10V IK=10mA, R1=10k, IK=10mA, R1=10k, R2=, Ta=Full Range VKA=VREF VKA=36V, VREF=0 Unit mV/V mV/V 2.445 2.495 2.545 2.470 2.495 2.520 2.483 2.495 2.507 -1.4 -1.0 -2.7 -2.0
Deviation Reference Input Current IREF(dev) Over Full Temperature Range Minimum Cathode Current Regulation IK(min) Off-State Cathode Current IK(off)
H431AA, H431BA, H431CA
HSMC Product Specification
Characteristics Curve
Cathode Current Cathode Voltage
Change Reference Input Voltage (mV) Cathode Current (mA) -100 Cathode Voltage VKA=VREF, Ta=25 Test Circuit (Fig1)
Spec. HA200216 Issued Date 1998.04.08 Revised Date 2003.05.13 Page
Change Reference Input Voltage Cathode Voltage
Cathode Voltage IK=10mA, Ta=25 Test Circuits (Fig2)
Reference Input Voltage Temperature
2.58 2.56 Reference Input Voltage 2.54 2.52 2.50 2.48 2.46 2.44 2.42 2.40
Cathode Current Cathode Voltage
1000 -200 -400 Cathode Voltage
VKA=VREF, IK=10mA Test Circuit (Fig1)
Cathode Current (uA)
VKA=VREF, Ta=25 Test Circuit (Fig1)
Temperature
Small Signal Voltage Amplification Frequency
Voltage Amplification (dB) 1000
10000
100000 Frequency (Hz)
1000000
10000000
H431AA, H431BA, H431CA
HSMC Product Specification
Typical Application
Shunt Regulator
Spec. HA200216 Issued Date 1998.04.08 Revised Date 2003.05.13 Page
High Current Shunt Regulator
Vout
Vout
Vout=(1+R1/R2)VREF
Vout=(1+R1/R2)VREF
Output Control Three-Terminal Fixed Regulator
Series Pass Regulator
H7805
COMMON
Vout
Vout
Vout=(1+R1/R2)VREF
Vout=(1+R1/R2)VREF; Vout min.=VREF+VBE
Current Limiter Current Source
Constant Current Sink
Iout
Isink
Iout=VREF/VCL
Isink=VREF/RS
H431AA, H431BA, H431CA
HSMC Product Specification
TO-92 Dimension
Date Code
Spec. HA200216 Issued Date 1998.04.08 Revised Date 2003.05.13 Page
Marking:
Control Code
Style: 1.Reference 2.Anode 3.Cathode
3-Lead TO-92 Plastic Package HSMC Package Code:
Typical
Inches Min. Max. 0.1704 0.1902 0.1704 0.1902 0.5000 0.0142 0.0220 *0.0500 0.1323 0.1480
Millimeters Min. Max. 4.33 4.83 4.33 4.83 12.70 0.36 0.56 *1.27 3.36 3.76
Inches Min. Max. 0.0142 0.0220 *0.1000 *0.0500
Millimeters Min. Max. 0.36 0.56 *2.54 *1.27
Notes: 1.Dimension tolerance based Spec. dated Apr. 25,1996.
2.Controlling dimension: millimeters. 3.Maximum lead thickness includes lead finish thickness, minimum lead thickness minimum thickness base material. 4.If there question with packing specification packing method, please contact your local HSMC sales office.
Material:
Lead: Alloy; solder plating Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0
Important Notice:
rights reserved. Reproduction whole part prohibited without prior written approval HSMC. HSMC reserves right make changes products without notice. HSMC semiconductor products warranted suitable Life-Support Applications, systems. HSMC assumes liability consequence customer product design, infringement patents, application assistance.
Head Office Factory:
Head Office (Hi-Sincerity Microelectronics Corp.) 10F.,No. Sec. Chung-Shan Taipei Taiwan R.O.C. Tel: 886-2-25212056 Fax: 886-2-25632712, 25368454 Factory Kuang Rd., Fu-Kou Hsin-Chu Industrial Park Hsin-Chu Taiwan. R.O.C Tel: 886-3-5983621~5 Fax: 886-3-5982931
H431AA, H431BA, H431CA
HSMC Product Specification
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