PE99155 Overview
The PE99155 is a radiation tolerant point-of-load buck regulator delivering high efficiency at VIN = 5V and output currents up to 10A continuous. This single-chip solution is perfect for Hi-Rel applications and delivers peak efficiency exceeding 93%. A minimal external ponent count and high switching frequency enables >10 W/in2 standard PCB designs while high efficiency minimizes thermal concerns.
PE99155 Key Features
- Up to 10A continuous
- Output voltage range from 1.0V to 3.6V by external select resistors
- Input voltage range 4.6V-6.0V
- Current mode control, pulse-by-pulse current limit, current sharing enabled and (N+K) redundancy patible shutdown mode
- SYNC function, 100 kHz to 5 MHz lock range with selectable 500 kHz / 1 MHz free running frequency
- Shutdown pin, power good output pin for supply sequencing
- Better than 1% typical initial accuracy (+25 °C)
- Control inputs patible with TTL, LVTTL, LVCMOS (2.5V and 3.3V) and 5V CMOS
- Available in ceramic hermetic packaging and in die form
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