BL431 BILIN | Alldatasheet

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Technical content

BL Galaxy Electrical Production specification Programmable Shunt Regulator BL431 Document number: BL/SSSR171 www.galaxycn.com R e v . A 1

FEATURES

z Programmable output voltage to 36 volts. z Low dynamic output impedance 0.20 typical z Sink current capability of 1.0 to 100mA z Equivalent full-range tem perature coefficient of 50ppm/℃ typical z Temperature compensated for operation over full rated Operating temperature range z Low output noise voltage SOT-23 z Fast turn-on response

ORDERING INFORMATION

Type No. Marking Package Code BL431 431 SOT-23 MAXIMUM RATING @ Ta=25℃ unless otherwise specified Parameter symbol limits unit Cathode Voltage V KA 37 V Cathode current Range(Continuous) I KA -100~+150 mA Reference Input Current Range I REF 0.05~-10 mA Power dissipation D,Z Suffix Package N Suffix Package PD 770 1000 mW Operating temperature Range TOPR -25~+85 ℃ Storage temperature Range TSTG -65to+150 ℃ Recommended Operating Conditions Parameter symbol Min Typ Max Unit Cathode Voltage V KA VREF - 36 V Cathode Current IKA 1.0 - 100 mA Pb Lead-free

BL Galaxy Electrical Production specification Programmable Shunt Regulator BL431 Document number: BL/SSSR171 www.galaxycn.com R e v . A 2 ELECTRICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified Parameter symbol conditions Min. Typ. Max. unit Reference Input voltage V REF VKA=VREF,IKA=10mA 2.44 2.495 2.55 V Deviation of Reference Input Voltage Over-Temperature (Note1) REF/ VKA=VREF,IKA=10mA, TMIN≤TA≤TMAX 4.5 17 mV ∆VKA=10V-VREF -10 -2.7 Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage REF/ ∆VKA IKA= 10mA ∆VKA=36V-10V -0.5 -2.0 mV/V Reverse Input current I REF IKA=10mA, R1=10KΩ,R2=∞ 1.5 4 μA Deviation of Reference Input Currrent Over Full Temperature Range REF/∆T IKA=10mA, R1=10KΩ,R2=∞ TA=Full Range 0.4 1.2 μA Minimun Cathode Current for Regulation IKA(MIN VKA= VREF 0.45 1.0 mA Off-Stage Cathode Current I KA(OFF) VKA=36V, VREF=0 0.05 1.0 μA Dynamic Impedance(Note2) Z ZA VKA= VREF, IKA=1 to 100mA f≥1.0KHz 0.15 0.5 Ω

  • TMIN=-25℃,TMAX=+85℃ TYPICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified

BL Galaxy Electrical Production specification Programmable Shunt Regulator BL431 Document number: BL/SSSR171 www.galaxycn.com R e v . A 3

BL Galaxy Electrical Production specification Programmable Shunt Regulator BL431 Document number: BL/SSSR171 www.galaxycn.com R e v . A 4 PACKAGE OUTLINE Plastic surface mounted package SOT-23 SOLDERING FOOTPRINT Unit : mm

PACKAGE INFORMATION

A 2.85 2.95 B 1.25 1.35 C 1.0Typical D 0.37 0.43 E 0.35 0.48 G 1.85 1.95 H 0.02 0.1 J 0.1Typical K 2.35 2.45 All Dimensions in mm Device Package Shipping BL431 SOT-23 3000/Tape&Reel