© Semiconductor Components Industries, LLC, 2006

October, 2006 − Rev. 2

1

Publication Order Number:

NCP1595/D

NCP1595, NCP1595A

Current Mode PWM

Converter for Low Voltage

Outputs

The NCP1595/NCP1595A is a current mode PWM buck converter

with integrated power switch and synchronous rectifier. 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 for 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 compact 3x3 DFN

package.

Features

Typical Applications

DFN6 3*3 MM, 0.95 PITCH

CASE 506AH

MARKING DIAGRAMS

http://onsemi.com

1

A

= Assembly Location

L

= Wafer Lot

Y

= Year

W

= Work Week

G

= Pb−Free Package

1595A

ALYW

G

1

N1595

ALYW

G

1

NC

VCC

VCCP

FB

GND

LX

EN

VCC

VCCP

FB

GND

LX

1595

1595A

PIN CONNECTIONS

See detailed ordering and shipping information in the package

dimensions section on page 11 of this data sheet.

ORDERING INFORMATION