NCP3123 - Step-Down DC/DC Switching Regulator

ON Semiconductor

The NCP3123 by ON Semiconductor is a Step-Down DC/DC Switching Regulator. Below is the official datasheet preview.

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NCP3123 Step-Down DC/DC Switching Regulator by ON Semiconductor - Datasheet Preview — Official preview page of the **NCP3123** Step-Down DC/DC Switching Regulator datasheet (ON Semiconductor).

Datasheet Details

Part number	NCP3123
Manufacturer	ON Semiconductor
File Size	2.36 MB
Description	Step-Down DC/DC Switching Regulator
Datasheet	NCP3123_ONSemiconductor.pdf
Additional preview pages of the NCP3123 datasheet.

NCP3123 Product details

Description

Pin Symbol 1, 31, 32 SW1 2 7 VIN 8 10 11 12 SW2 GND2 SS2 13 COMP2 14 AGND 15 FB2 16 RT 17 TRACK 2 18 TRACK 1 19 SEQ2 20 EN2 21 SEQ1 22 EN1 23 PG2 24 PG1 25 AVIN 26 FB1 27 AGND 28 COMP1 29 SS1 30 GND1 Exposed Pad (GND) Description Switch node of Channel 1. Connect an inductor between SW1 and the regulator output.Input power supply voltage pins.These pins should be connected together to the input signal supply voltage pin.Switch node of Channel 2. Connect an

Features

include cycle.
by.
cycle current limit and undervoltage lockout (UVLO). The NCP3123 comes in a 32.
pin QFN package. Features.
Input Voltage Range from 4.5 V to 13.2 V.
12 Vin to 5.0 Vout = 85% Efficiency Min @ 3.0 A.
200.
2200 kHz Operation.
Stable with Low ESR Ceramic Output Capacitor.
0.8 ±1.5% FB Reference Voltage.
External Soft.
Start.
Out of Phase Operation of OUT1 & OUT2.
Auto.

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Published: Aug 26, 2010 |