ncp1596 ON Semiconductor, ncp1596 Datasheet

ncp1596

Manufacturer Part Number

ncp1596

Description

1.5 A, 1.5 Mhz Current Mode Pwm Buck Down Converter

Manufacturer

ON Semiconductor

Datasheet

1.NCP1596.pdf (12 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

ncp1596AMNTWG

Manufacturer:

ON Semiconductor

Quantity:

1 750

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NCP1596, NCP1596A

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1.5 A, 1.5 MHz Current

Mode PWM Buck Down

Converter

with integrated power switch. It can provide up to 1.5 A output current

with high conversion efficiency. High frequency PWM control

scheme can provide a low output ripple noise. Thus, it allows the

usage of small size passive components to reduce the board space. In a

low load condition, the controller will automatically change to PFM

mode which provides a higher efficiency at low load. Additionally, the

device includes soft−start, thermal shutdown with hysteresis,

cycle−by−cycle current limit, and short circuit protection. This device

is available in a compact 3x3 DFN package.

Features

•

Typical Applications

•

This document contains information on a product under development. ON Semiconductor

reserves the right to change or discontinue this product without notice.

March, 2009 − Rev. P3

The NCP1596/NCP1596A is a current mode PWM buck converter

High Efficiency up to 90%, 1 A @ 3.3 V, 75% @ 1.2 V

Fully Internal Compensation

Low Output Voltage Ripple, 20 mV Typical

±1.5% Reference Voltage

High PWM Switching Frequency, 1.5 MHz

Automatic PWM / PFM Switchover at Light Load

Built−in 1 ms Digital Soft Start

Cycle−by−cycle Current Limit

Thermal Shutdown with Hysteresis

Internal UVLO Protection

Ext. Adjustable Output Voltage

Low Profile and Minimum External Components

Designed for use with Ceramic Capacitor

Compact 3x3 DFN Package

These are Pb−Free Devices

Hard Disk Drives

USB Power Device

Wireless and DSL Modems

See detailed ordering and shipping information in the package

dimensions section on page 11 of this data sheet.

GND

N1596/1596A = Specific Device Code

ORDERING INFORMATION

N1596

ALYW

1596

MARKING DIAGRAMS

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

PIN CONNECTIONS

http://onsemi.com

6 PIN DFN 3x3

VCC

VCCP

CASE 506AH

MN SUFFIX

(Top View)

Publication Order Number:

GND

1596A

ALYW

1596A

NCP1596/D

VCC

VCCP

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