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LTC3250-1.5 - Inductorless Step-Down DC/DC Converter

Datasheet Summary

Features

  • s 2.7V to 5.5V Input Voltage Range s No Inductors s Li-Ion (3.6V) to 1.5V with 81% Efficiency s Low Noise Constant Frequency Operation s Output Voltages: 1.5V ±4%, 1.2V ±4% s Output Current: 250mA s Shutdown Disconnects Load from VIN s Low Operating Current: IQ = 35µA s Low Shutdown Current: ISD < 1µA s Oscillator Frequency = 1.5MHz s Soft-Start Limits Inrush Current at Turn-On s Short-Circuit and Overtemperature Protected s Low Profile (1mm) SOT-23 Package U.

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Datasheet Details

Part number LTC3250-1.5
Manufacturer Linear
File Size 318.54 KB
Description Inductorless Step-Down DC/DC Converter
Datasheet download datasheet LTC3250-1.5 Datasheet
Additional preview pages of the LTC3250-1.5 datasheet.

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Full PDF Text Transcription

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LTC3250-1.5/LTC3250-1.2 High Efficiency, Low Noise, Inductorless Step-Down DC/DC Converter U U FEATURES s 2.7V to 5.5V Input Voltage Range s No Inductors s Li-Ion (3.6V) to 1.5V with 81% Efficiency s Low Noise Constant Frequency Operation s Output Voltages: 1.5V ±4%, 1.2V ±4% s Output Current: 250mA s Shutdown Disconnects Load from VIN s Low Operating Current: IQ = 35µA s Low Shutdown Current: ISD < 1µA s Oscillator Frequency = 1.5MHz s Soft-Start Limits Inrush Current at Turn-On s Short-Circuit and Overtemperature Protected s Low Profile (1mm) SOT-23 Package U APPLICATIO S s Handheld Computers s Cellular Phones s Digital Cameras s Handheld Medical Instruments s Low Power DSP Supplies DESCRIPTIO The LTC®3250-1.5/LTC3250-1.2 are charge pump stepdown DC/DC converters that produce a 1.
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