FN9309中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

Features

? Wide input voltage range of 3V to 40V

? Synchronous operation for high efficiency

? Integrated high-side and low-side NMOS devices

? Selectable PFM or PWM mode at light loads

? Internal fixed frequency (500kHz) or adjustable

switching frequency (300kHz to 2MHz)

? Continuous output current up to 1.1A

? Internal or external soft-start

? Power-good and enable functions

? 500mA low dropout linear regulator

? 1.8V to 6V input

? ±1.8 VOUT accuracy ensured over line, load, and

TJ = -40°C to +125°C

? Very low 45mV dropout voltage at VOUT = 2.5V

? Excellent PSRR over wide frequency range

? Programmable output soft-start time

? Very fast transient response

? Current limit protection