JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOT-23 Encapsulate Adjustable Reference Source CJ432 Adjustable Accurate Reference Source DEVICE DESCRIPSION SOT-23 The CJ432 is a three-terminal Shunt Voltage Reference providing a highly accurance 1.24V. The CJ432 thermal stability and wide operating 1. REFERENCE current, makes is sritable for all variety of applications that are looking for a low cost solution with high performance. 2. CATHODE FEATURES 3. ANODE z Low dynamic output impedance z The effective temperature compensation in the working range of full temperature z Low output noise voltage z Fast on -state response z Sink current capability of 0.1mA to100mA APPLICATION z Shunt Regulator z High-Current Shunt Regulator z Precision Current Limiter ABSOLUTE MAXIMUM RATINGS (Operating temperature rangeapplies unless otherwise specified) Parameter Symbol Value Units Cathode Voltage V 18 V KA Cathode Current Range (continuous) I 100 mA KA Reference lnput Current Range I 6 A ref Power Dissipation P 350 mW D Thermal Resistance from Junction to Ambient R 357 /W JA Operating Temperature T 0~+70 opr Junction Temperature T 150 J Storage Temperature T -65~+150 stg & , SU ,201 ELECTRICAL CHARACTERISTICS (T =25 unless otherwise specified) a Parameter Symbol Test conditions Min Typ Max Unit Reference input voltage (Fig 1) V V =V , I =10mA 1.2214 1.2586 V ref KA REF KA Deviation of reference voltage over full V =V , I =10mA KA REF KA V 16 mV ref(DEV) temperature range (Fig 1) 0T 70 a Ratio of change in reference input voltage to I =10mA, KA V /V 2.4 mV/V ref KA the change in cathode voltage (Fig 2) V =1.25V~15V KA Deviation of reference input current over full l =10mA, R =10k, KA 1 l /T 0.6 A ref temperature range (Fig 2) R = , 0T 70 2 a Minimum cathode current for regulation I V =V 0.1 mA KA(min) KA REF (Fig 1) Off-state cathode current(Fig 3) I V =15V,V =0 0.5 A off KA REF V =V l =0.1 ~20mA, KA REF, KA Dynamic impedance Z 0.5 KA f 1.0kHz CLASSIFICATION OF V ref Rank 1% 1.5% Range 1.2276~1.2524 1.2214~1.2586 & , SU ,201