BL431

BL Galaxy Electrical Programmable Shunt Regulator FEATURES Programmable output voltage to 36 volts. Production specification BL431 Pb Lead-free Low dynamic output impedance 0.20 typical Sink current capability of 1.0 to 100mA Equivalent full-range temperature coefficient of 50ppm/℃ typical Temperature compensated for operation over full rated Operating temperature range Low output noise voltage Fast turn-on response SOT-23 ORDERING INFORMATION Type No. BL431 Marking 431 Package Code SOT-23 MAXIMUM RATING @ Ta=25℃ unless otherwise specified Parameter Cathode Voltage Cathode current Range(Continuous) Reference Input Current Range Power dissipation D,Z Suffix Package N Suffix Package Operating temperature Range Storage temperature Range symbol VKA IKA IREF 770 1000 -25~+85 -65to+150 limits 37 -100~+150 0.05~-10 unit V mA mA PD mW TOPR TSTG ℃ ℃ Recommended Operating Conditions Parameter Cathode Voltage Cathode Current symbol VKA IKA Min VREF 1.0 Typ Max 36 100 Unit V mA Document number: BL/SSSR171 Rev.A www.galaxycn.com 1 BL Galaxy Electrical Programmable Shunt Regulator Production specification BL431 ELECTRICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified Parameter Reference Input voltage Deviation of Reference Input Voltage Over-Temperature (Note1) Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage Reverse Input current Deviation of Reference Input Currrent Over Full Temperature Range Minimun Cathode Current for Regulation Off-Stage Cathode Current symbol VREF ∆VREF/ ∆T conditions VKA=VREF,IKA=10mA VKA=VREF,IKA=10mA, TMIN≤TA≤TMAX ∆VKA=10V-VREF ∆VKA=36V-10V Min. 2.44 Typ. Max. unit V mV 2.495 2.55 4.5 17 ∆VREF/ ∆VKA IKA= 10mA -10 -0.5 1.5 -2.7 mV/V -2.0 4 μA IREF IKA=10mA, R1=10KΩ,R2=∞ IKA=10mA, R1=10KΩ,R2=∞ TA=Full Range VKA= VREF VKA=36V, VREF=0 VKA= VREF, IKA=1 to 100mA f≥1.0KHz ∆IREF/∆T 0.4 1.2 μA IKA(MIN IKA(OFF) 0.45 0.05 1.0 1.0 mA μA Dynamic Impedance(Note2) •TMIN=-25℃,TMAX=+85℃ ZZA 0.15 0.5 Ω TYPICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified Document number: BL/SSSR171 Rev.A www.galaxycn.com 2 BL Galaxy Electrical Programmable Shunt Regulator Production specification BL431 Document number: BL/SSSR171 Rev.A www.galaxycn.com 3 BL Galaxy Electrical Programmable Shunt Regulator PACKAGE OUTLINE Plastic surface mounted package Production specification BL431 SOT-23 SOT-23 Dim A B C D E G H J K Min 2.85 1.25 0.37 0.35 1.85 0.02 2.35 Max 2.95 1.35 0.43 0.48 1.95 0.1 2.45 1.0Typical 0.1Typical All Dimensions in mm SOLDERING FOOTPRINT Unit : mm PACKAGE Device BL431 INFORMATION Package SOT-23 Shipping 3000/Tape&Reel Document number: BL/SSSR171 Rev.A www.galaxycn.com 4