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GM1431AST23RL Datasheet(PDF) 1 Page - Gamma Microelectronics Inc. |
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GM1431AST23RL Datasheet(HTML) 1 Page - Gamma Microelectronics Inc. |
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1 / 14 page  Description The GM1431 is a three terminal adjustable shunt regulator with thermal stability guaranteed over temperature. Output voltage can be adjusted to any value between 2.5V (V ) ref and 36V by using two external resistors. The GM1431 has a typical dynamic output impedance of 0.2W. Active output circuitry provides a very unique turn on characteristic, mak- ing the GM1431 an excellent tum on replacement for zener diodes in many applications such as onboard regula- tion and adjustable power supplies. The GM1431 is an ideal voltage reference for 3.0 to 3.3V switching power sup- plies. The GM1431 shunt regulator is available with 3 voltage tol- erances, 0.5%, 1.0% and 2.0% over T = 0°C to + 70°C, A and four package options (SOT-23, TO-92, SOT-89 and SOP-8). Whatever your application is, the GM1431 offers the optimum combination of performance, reliability, and economy. LOGIC SYMBOL Application Switching power supplies Linear regulators Adjustable supplies Battery-operated computers Computer disk drives Instrumentation BLOCK DIAGRAM (POSITIVE LOGIC) CATHODE REFERENCE ANODE + _ V ref CATHODE REFERENCE ANODE Features Sink Current Capability 1 mA to 100mA Low dynamic output impedance, 0.2W typ. 0.5%, 1% or 2% reference voltage tolerance Temperature range 0°C to+ 70 °C Available in SOT-23, TO-92, SOT-89 and SOP- 8 packages Alternate for TL431, TL431, LM431 & AS431 www.gammamicro.com 1 A A MICROELECTRONICS GM1431 ADJUSTABLE SHUNT REGULATOR Power Management |
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