LTC1143 Datasheet (Linear Technology) - Dual High Efficiency SO-16 Step-Down Switching Regulator Controllers

LTC1143, Dual High Efficiency SO-16 Step-Down Switching Regulator Controllers

The LTC1143 series is a dual step-down switching regulator controller featuring automatic Burst ModeTM operation to maintain high efficiencies at low output currents.

This device is composed of two separate regulator blocks, each driving an external power MOSFET at switching frequencies up to 400kHz

LTC1143 Features

* s s s s s s s s s Dual Outputs LTC1143, LTC1143L: 3.3V, 5V LTC1143L-ADJ: Dual Adjustable Very High Efficiency: Over 95% Possible Current Mode Operation for Excellent Line and Load Transient Response High Efficiency Maintained over Three Decades of Output Current Low Standby Current at Light Loa