NCV51411 Datasheet (ON Semiconductor) - Low Voltage Buck Regulator

NCV51411, Low Voltage Buck Regulator

SO-8 SO-16 DFN-18 PIN SYMBOL 1 15 1 BOOST 2 16 2, 3, 4 3 1 5, 6, 7 VIN VSW 4 2 8 SHDNB 5 7 10 6 8 13 7 9 16 SYNC GND VFB 8 10 17 VC - 3 - 6, 9, 11, 12, NC 11 - 14, 15, 18 14 FUNCTION The BOOST pin provides additional drive voltage to the on-chip NPN power transis

DATA SHEET www.onsemi.com Buck Converter - Low Voltage, Synchronization Capability 1.5 A, 260 kHz NCV51411 The NCV51411 is a 1.5 A buck regulator IC operating at a fixed-frequency of 260 kHz.

The device uses the V2t control architecture to provide unmatched transient response, the best overall regulation and the simplest loop compensation for today's high-speed logic.

The NCV51411 accommodates input voltages from 4.5 V to 40 V and contains synchronization circuitry.

The on-chip NPN transistor i

NCV51411 Features

* V2 Architecture Provides Ultra-Fast Transient Response, Improved Regulation and Simplified Design

* 2.0% Error Amp Reference Voltage Tolerance

* Switch Frequency Decrease of 4:1 in Short Circuit Conditions Reduces Short Circuit Power Dissipation

* BOOST Lead Allows