NCP81234 - Dual-Channel/Two-Phase Controller

Product Overview

ON Semiconductor

Datasheet Details

Part number	NCP81234
Manufacturer	ON Semiconductor
File Size	333.91 KB
Description	Dual-Channel/Two-Phase Controller
Datasheet	NCP81234 Datasheet
Additional preview pages of the NCP81234 datasheet.

Product details

Description

Pin Name Type Description 1 VIN Power Input Power Supply Input.Power supply input pin of the device, which is connected to the integrated 5 V LDO.4.7 mF or more ceramic capacitors must bypass this input to power ground.The capac- itors should be placed as close as possible to this pin.2 EN1 Analog Input Enable 1. Logic high enables channel 1 and logic low disables channel 1. Input supply UVLO can be programmed at this pin for channel 1. 3 EN2 Analog Input Enable 2. Logic high

Features

Single Vin = 4.5 ~ 20 V with Input Feedforward.
Integrated 5.35 V LDO.
Vout = 0.6 V ~ 5.3 V.
Fsw = 200 k ~ 1.2 MHz.
PWM Output Compatible to 3.3 V and 5 V DrMOS.
Dual.
Channel or Two.
Phase Operation.
DDR Power Mode Option.
Interleaved Operation.
Differential Current Sense Compatible for both Inductor DCR Sense and DrMOS Iout.
2 Independent Enables with Programmable Input UVLO.
Progr.

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Published: Jan 24, 2016 |