LTC1474CS8 Datasheet

PMIC - Voltage Regulators - DC DC Switching Regulators


The LTC1474CS8/LTC1475 series are high efficiency stepdown converters with internal P-channel MOSFET power switches that draw only 10mA typical DC supply current at no load while maintaining output voltage. The LTC1474 uses logic-controlled shutdown while the LTC1475 features pushbutton on/off. LTC1474CS8 Features • High Efficiency: Over 92% Possible• Very Low Standby Current: 10mA Typ• Available in Space Saving 8-Lead MSOP Package• Internal 1.4W Power Switch (VIN = 10V)• Wide VIN Range: 3V to 18V Operation• Very Low Dropout Operation: 100% Duty Cycle• Low-Battery Detector Functional During Shutdown• Programmable Current Limit with Optional Current Sense Resistor (10mA to 400mA Typ)• Short-Circuit Protection• Few External Components Required• Active Low Micropower Shutdown: IQ = 6mA Typ• Pushbutton On/Off (LTC1475 Only)• 3.3V, 5V and Adjustable Output Versions LTC1474CS8 Applications • Cellular Telephones and Wireless Modems• 4mA to 20mA Current Loop Step-Down Converter• Portable Instruments• Battery-Operated Digital Devices• Battery Chargers• Inverting Converters• Intrinsic Safety Applications


[{"Name":"Packaging","Value":"Tube"},{"Name":"Type","Value":"Step-Down (Buck)"},{"Name":"Output Type","Value":"Fixed"},{"Name":"Number of Outputs","Value":"1"},{"Name":"Voltage - Output","Value":"3.3V"},{"Name":"Voltage - Input","Value":"3 V ~ 18 V"},{"Name":"Current - Output","Value":"750mA"},{"Name":"Synchronous Rectifier","Value":"No"},{"Name":"Operating Temperature","Value":"0°C ~ 70°C"},{"Name":"Mounting Type","Value":"Surface Mount"}]

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