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LTC2903 Даташит

Номер в каталогеКомпоненты Описаниепроизводитель
LTC2903 Precision Quad Supply Monitor in 6-Lead SOT-23 Linear
Linear Technology Linear
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DESCRIPTION
The LTC®2903-1 monitors up to four supply voltages. The common reset output remains low until all four inputs have been in compliance for 200ms. Voltage thresholds maintain ±1.5% accuracy over temperature (with respect to the monitored voltage). The LTC2903-1 features an open-drain RST output with a weak internal pullup.

FEATURES
■ Ultralow Voltage Reset: VCC = 0.5V Guaranteed
■ Monitor Four Inputs Simultaneously
   3.3V, 2.5V, 1.8V, ADJ (LTC2903-A1)
   5V, 3.3V, 2.5V, 1.8V (LTC2903-B1)
   5V, 3.3V, 1.8V, –5.2V (LTC2903-C1)
■ Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage over Temperature
■ 10% Undervoltage Monitoring
■ Low Supply Current: 20µA Typical
■ 200ms Reset Time Delay
■ Active Low Open-Drain RST Output
■ Power Supply Glitch Immunity
■ Low Profile (1mm) SOT-23 (ThinSOTTM) Package

APPLICATIONS
■ Multivoltage Systems
■ Optical Networking Systems
■ Cell Phone Base Stations
■ Network Servers

 

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