DM431 DM431A DM431B DC COMPONENTS CO., LTD. INTEGRATED CIRCUIT R TECHNICAL SPECIFICATIONS OF ADJUSTABLE SHUNT REGULATOR Features * * * * * * Programmable output voltage Temperature coefficient is 50ppm/ o C typical Temperature compensated for operation over Full temperature range Low output noise voltage Fast turn on response SOT-89 .063(1.60) .055(1.40) .066(1.70) .059(1.50) Pinning 1 = Reference 2 = Anode 3 = Cathode .102(2.60) .095(2.40) .167(4.25) .159(4.05) 1 Absolute Maximum Ratings 2 3 (Operating temperature range applies, unless otherwise specified) Characteristic Symbol Cathode to Anode Voltage Rating Unit VKA 37 V Cathode Current Range(Continuous) IK -100 to +150 mA Reference Input Current Range Iref +0.05 to +10 mA Power Dissipation PD 770 mW Operating Temperature Range Topr 0 to +70 o -55 to +150 o Storage Temperature Range TSTG .020(0.51) .014(0.36) .060(1.52) .058(1.48) .016(0.41) .014(0.35) .120(3.04) .117(2.96) .181(4.60) .173(4.40) C Dimensions in inches and (millimeters) C Electrical Characteristics o (Ratings at 25 C ambient temperature unless otherwise specified) Characteristic Symbol DM431 Reference Input Voltage DM431A Vref Min Typ Max 2.440 2.495 2.550 Unit Test Conditions 2.470 2.495 2.520 2.480 2.495 2.510 ∆Vref - 4.0 17 ∆Vref / ∆VKA - -1.4 -2.7 - -1.0 -2.0 Iref - 2.0 4.0 µA IK=10mA, R1=10kΩ, R2= Reference Input Current Deviation Over Temperature Range ∆Iref - 0.4 1.2 µA IK=10mA, R1=10kΩ, R2= Tmin TA Tmax DM431B Reference Input Voltage Deviation Over Temperature Range Ratio of Change in Reference Input Voltage to Change in Cathode to Anode Voltage Reference Input Current V VKA=VREF, IK=10mA mV VKA=VREF, IK=10mA Tmin TA Tmax mV/V IK=10mA, ∆VKA=10V-VREF IK=10mA, ∆VKA=36V-10V Minimum Cathode Current for Regulation IK(min) - 0.4 1.0 mA VKA=VREF Off-State Cathode Current IK(off) - 0.1 1.0 µA VKA=36V, VREF=0 Dynamic Impedance ZKA - 0.2 0.5 Ω VKA=VREF, f 1.0KHz IK=1 to 100mA Go to "CROSS REFERENCE TABLE" of Transistors!! (Refered to industrial part No.)