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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 / 9 page 1 FEATURES s Low voltage reference: 600mV s Low temperature coefficient reference: 25ppm s Accurate 600mV reference voltage: +6mV at T J=25°C s High PSRR: 45dB at 300kHz s High line rejection: +1mV (V CC from 2.2V to 18V) 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 are on separate pins. CAT102 Precision, Adjustable Shunt Regulator (600mV Reference) - +1% Initial Accuracy - SOT23 Package s Low supply current: 300 µA s Open collector output s Directly drives optocouplers s Compact 5-lead SOT23 package s Industrial temperature range: -40 °°°°°C to 85°°°°°C © 2003 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice Doc. No. 4007, Rev. L APPLICATIONS s SMPS control loop s Low temperature coefficient voltage reference s Power management s Replaces zener diodes 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. FUNCTIONAL DIAGRAM PIN CONFIGURATION s Isolated DC-to-DC converters s Network, telecom and cellular base station power supplies s Adjustable voltage reference + – + – OUT FB IN VREF 600mV Error Amplifier GND 3 5 2 1 SOT23-5 TOP VIEW IN OUT 2 3 1 NC 5 4 FB GND |
同様の部品番号 - CAT102 |
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同様の説明 - CAT102 |
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