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LT8495 Datasheet Sepic/boost Converter

Manufacturer: Linear Technology Corporation

Overview: LT8495.

General Description

n Wide Input Voltage Range of ~1V to 60V (2.5V to 32V for Start-Up) n Low Ripple Burst Mode® Operation n 9µA IQ at 12VIN to 5.0VOUT n Output Ripple (<10mV Typ.) n Dual Supply Pins: n Improves Efficiency n Reduces Minimum Supply Voltage to ~1V after Start-Up to Extend Battery Life n Integrated 2A/70V Power Switch n Programmable Watchdog Timer Can Operate When VIN Supply Is Removed n Programmable Power-On Reset Timer (POR) with RST Functional for Input Supply Down to 1.3V n FMEA Fault Tolerant in TSSOP Package n Fixed Frequency PWM, SEPIC/BOOST/FLYBACK Topologies n Programmable Switching Frequency: 250kHz to 1.5MHz n UVLO Programmable on SWEN and RSTIN Pins n Soft-Start Programmable with One Capacitor n 20-Lead TSSOP Package Applications n Automotive ECU Power n Power for Portable Products n Industrial Supplies TheLT®8495isanadjustablefrequency (250kHzto 1.5MHz) monolithic switching regulator with a power-on reset and watchdog timer.

Quiescent current can be less than 9µA when operating and is ~0.3µA when SWEN, WDE and RSTIN are low.

Configurable as a SEPIC, boost or flyback converter, the low ripple Burst Mode operation maintains high efficiency at low output current while keeping output ripple below 10mV.

Key Features

  • SEPIC/Boost Converter with 2A, 70V Switch, 9µA Quiescent Current, POR and Watchdog Timer.

LT8495 Distributor & Price

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