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CAT102 データシート(PDF) 1 Page - Catalyst Semiconductor |
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CAT102 データシート(HTML) 1 Page - Catalyst Semiconductor |
1 / 8 page CAT102 © Catalyst Semiconductor, Inc. 1 Doc. No. MD-4007 Rev. N Characteristics subject to change without notice Precision, Adjustable Shunt Regulator (600mV Reference) FEATURES 600mv low voltage reference 35ppm low temperature coefficient ±6mV initial accuracy High PSRR: 45dB at 300kHz Better line regulation: 1mV (VIN from 2.2V to 18V) Low supply current: 90µA Open drain output Directly drives optocouplers Industrial temperature range of -40ºC to 85ºC RoHS-compliant 5-lead TSOT23 package APPLICATION SMPS control loop Low temperature coefficient voltage reference Power management Replaces zener diodes Isolated DC-to-DC converters Network, telecom and cellular base station Adjustable voltage reference DESCRIPTION The CAT102 is a low-voltage reference and amplifier. Designed for the control loop of low-voltage power supplies, the reference voltage has been designed for 600mV. Over a junction temperature from -40°C to 105°C, the reference voltage is within 8mV of the nominal 600mV. In addition, the error amplifier output and the supply voltage pin (IN) are on separate pins. Power supply rejection is a high 45dB at 300kHz. The output, OUT, can sink 20mA at a maximum saturation voltage of 250mV. When combined with an optocoupler, the CAT102 can be used as an error amplifier that controls the feedback loop in isolated low-output voltage switching power supplies. For Ordering Information details, see page 7. FUNCTIONAL DIAGRAM PIN CONFIGURATION TSOT-23 5L Top View FB 1 1 5 8 IN GND 2 2 OUT 4 3 4 5 NC PIN DESCRIPTION Pin Name Function FB Inverting input to error amplifier GND Ground OUT Output of error amplifier. Source & sink current capability is 20mA. NC No connection IN Positive supply + – + – OUT FB IN VREF 600mV Error Amplifier GND 3 5 2 1 |
同様の部品番号 - CAT102 |
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同様の説明 - CAT102 |
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