BL Galaxy Electrical Production specification BL431 Programmable Shunt Regulator FEATURES z Pb Programmable output voltage to 36 volts. z Lead-free Low dynamic output impedance 0.20 typical z Sink current capability of 1.0 to 100mA z Equivalent full-range temperature coefficient of 50ppm/℃ typical z Temperature compensated for operation over full rated Operating temperature range z Low output noise voltage z Fast turn-on response SOT-23 ORDERING INFORMATION Type No. BL431 Marking Package Code 431 SOT-23 MAXIMUM RATING @ Ta=25℃ unless otherwise specified symbol limits unit Cathode Voltage VKA 37 V Cathode current Range(Continuous) IKA -100~+150 mA Reference Input Current Range IREF 0.05~-10 mA Parameter Power dissipation D,Z Suffix Package N Suffix Package PD 770 mW 1000 Operating temperature Range TOPR -25~+85 ℃ Storage temperature Range TSTG -65to+150 ℃ Recommended Operating Conditions Parameter symbol Min Typ Max Unit Cathode Voltage VKA VREF - 36 V Cathode Current IKA 1.0 - 100 mA Document number: BL/SSSR171 Rev.A www.galaxycn.com 1 BL Galaxy Electrical Production specification BL431 Programmable Shunt Regulator ELECTRICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified Parameter symbol conditions Min. Typ. Reference Input voltage VREF VKA=VREF,IKA=10mA 2.44 2.495 2.55 V Deviation of Reference Input Voltage Over-Temperature (Note1) ∆VREF/ ∆T VKA=VREF,IKA=10mA, TMIN≤TA≤TMAX 4.5 17 mV Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage ∆VREF/ ∆VKA IKA= 10mA -10 -2.7 Reverse Input current IREF Deviation of Reference Input Currrent Over Full Temperature Range ∆VKA=10V-VREF Max. unit mV/V -0.5 -2.0 IKA=10mA, R1=10KΩ,R2=∞ 1.5 4 μA ∆IREF/∆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 IKA(OFF) VKA=36V, VREF=0 0.05 1.0 μA ZZA VKA= VREF, IKA=1 to 100mA f≥1.0KHz 0.15 0.5 Ω Dynamic Impedance(Note2) ∆VKA=36V-10V •TMIN=-25℃,TMAX=+85℃ TYPICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified Document number: BL/SSSR171 Rev.A www.galaxycn.com 2 BL Galaxy Electrical Programmable Shunt Regulator Document number: BL/SSSR171 Rev.A Production specification BL431 www.galaxycn.com 3 BL Galaxy Electrical Production specification BL431 Programmable Shunt Regulator PACKAGE OUTLINE Plastic surface mounted package SOT-23 SOT-23 Dim Min Max 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 K 0.1Typical 2.35 2.45 All Dimensions in mm SOLDERING FOOTPRINT Unit : mm PACKAGE INFORMATION Device Package Shipping BL431 SOT-23 3000/Tape&Reel Document number: BL/SSSR171 Rev.A www.galaxycn.com 4