LT8494 Datasheet PDF

FEATURES

nn Low Ripple Burst Mode® Operation: 7µA IQ at 12VIN to 5VOUT Output Ripple (<10mV Typ.) nn Dual Supply Pins: Improves Efficiency Reduces Minimum Supply Voltage to ~1V after Start-Up to Extend Battery Life nn Wide Input Voltage Range of ~1V to 60V (2.5V to 32V for Start-Up) nn PG Functional for Input Supply Down to 1.3V nn FMEA Fault Tolerant in TSSOP Package nn Fixed Frequency PWM, SEPIC/BOOST/FLYBACK Topologies nn NPN Power Switch: 2A/70V nn Programmable Switching Frequency: 250kHz to 1.5MHz nn UVLO Programmable on SWEN Pin nn Soft-Start Programmable with One Capacitor nn Small 20-Lead QFN or 20-Lead TSSOP Packages

APPLICATIONS

nn Automotive ECU Power nn Power for Portable Products nn Industrial Supplies L, LT, LTC, LTM, Linear Technology, Burst Mode and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.

DESCRIPTION

TheLT®8494isanadjustablefrequency (250kHzto 1.5MHz) monolithic switching regulator.