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| KA336-2.5/B/KA236-2.5 PROGRAMMABLE SHUNT REGULATOR PROGRAMMABLE SHUNT REGULATOR The KA336-2.5/B integrated Circuits are precision 2.5V shunt regulators. The monolithic IC voltage references operates as a low temperature coefficient 2.5V zener with 0.2I dynamic impedance. A third terminal on the KA336-2.5/B allow the reference voltage and temperature coefficient to be trimmed easily. KA3362.5/B are useful as a precision 2.5V low voltage reference for digital voltmeters, power supplies or op amp circuitry. The 2.5V make it convenient to obtain a stable reference from low voltage supplies. Further, since the KA336-2.5/B operate as shunt regulators, they can be used as either a positive or negative voltage reference. TO-92 1: ADJ, 2: +, 3: - FEATURES * Low temperature coefficient * Guaranteed temperature stability 4mV typical * 0.2I dynamic impedance * initial tolerance available. * Easily trimmed for minimum temperature drift ORDERING INFORMATION Device KA336-2.5 KA336-2.5B KA236-2.5 TO-92 - 25 ~ +85& Package Operating Temperature 0 ~ 70& 1.0% SCHEMATIC DIAGRAM KA336-2.5/B/KA236-2.5 PROGRAMMABLE SHUNT REGULATOR ABSOLUTE MAXIMUM RATINGS Characteristic Reverse Current Forward Current Operating Temperature Range KA336-2.5/B KA236-2.5 Storage Temperature Range Symbol IR IF T OPR T STG Value 15 10 0 ~ + 70 - 25 ~ +85 - 60 ~ + 150 Unit mA mA & & & ELECTRICAL CHARACTERISTICS Characteristic Reverse Breakdown Voltage Reverse Breakdown Change with Current Reverse Dynamic Impedance Temperature Stability Reverse Breakdown Change with Current Reverse Dynamic Impedance Long Term Stability KA236: T MIN = -25&, T MAX = 85& KA336: T MIN = 0&, T MAX = 70& Symbol VR (T MIN < T A< T MAX, unless otherwise specified) KA336/236 Min 2.44 Typ 2.49 2.6 0.2 1.8 3 0.4 20 Max 2.54 6 0.6 6 10 1 Min 2.465 KA336B Typ 2.49 2.6 0.2 1.8 3 0.4 20 Max 2.515 10 1 6 12 1.4 Unit V mV Test Conditions T A = 25& IR = 1mA T A = 25& 400aAIR V /I R R 10mA MAX MAX ZD ST T V /I R R ZD ST T T T T T 400aAI 10mA I = 1mA T T T I = 1mA T T T T MIN MIN A A R R MIN A MAX R MIN A MAX T A = 25& IR = 1mA IR = 1mA I mV mV I ppm KA336-2.5/B/KA236-2.5 PROGRAMMABLE SHUNT REGULATOR TYPICAL PERFORMANCE CHARACTERISTICS Fig. 1. REVERSE VOLTAGE CHANGE Fig. 2 REVERSE CHARACTERISTICS REVERSE CURRENT (mA) REVERSE VOLTAGE(V) Fig. 3 TEMPERATURE DRIFT Fig. 4 FORWARD CHARACTERISTICS KA336-2.5/B/KA236-2.5 PROGRAMMABLE SHUNT REGULATOR |
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