LT3667 Datasheet - Linear Technology Corporation

LT3667, 40V 400mA Step-Down Switching Regulator

.
The LT®3667 is a monolithic triple power supply composed of a 400mA buck switching regulator and two 200mA low dropout linear regulators (LDOs).

Features

* Triple Output Supply from a Single Input Requires Only One Inductor n I = 50μA at 12V to 5V, 3.3V and 2.5V with No Load Q IN n Buck Regulator: Low Ripple (

Applications

* n n n n Automotive Battery Regulation Power for Portable Instrumentation Industrial Supplies Fault-Protected Sensor Supply Typical Application VIN 6V TO 40V TRANSIENT TO 60V No-Load Supply Current 4.7µF UVLO1 IN1 100 BOOST SW DA FB1 LT3667 BD IN2 IN3 OUT3 499k FB2 158k FB3 158k 3667 TA01a

LT3667-LinearTechnologyCorporation.pdf