ncp3163 ON Semiconductor, ncp3163 Datasheet

ncp3163

Manufacturer Part Number

ncp3163

Description

3.4 A, Stepup/down/inverting 50300 Khz Switching Regulator

Manufacturer

ON Semiconductor

Datasheet

1.NCP3163.pdf (20 pages)

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Download datasheet (243Kb)

NCP3163, NCV3163

3.4 A, Step-Up/Down/

Inverting 50-300 kHz

Switching Regulator

MC33163 and MC34163 monolithic DC−DC converters. These

devices consist of an internal temperature compensated reference,

comparator, controlled duty cycle oscillator with an active current

limit circuit, driver and high current output switch. This controller was

specifically designed to be incorporated in step−down, step−up, or

voltage−inverting applications with a minimum number of external

components. The NCP3163 comes in an exposed pad package which

can greatly increase the power dissipation of the built in power switch.

Features

•

May, 2008 − Rev. 6

The NCP3163 Series is a performance enhancement to the popular

and Change Control

Output Switch Current in Excess of 3.0 A

3.4 A Peak Switch Current

Frequency is Adjustable from 50 kHz to 300 kHz

Operation from 2.5 V to 40 V Input

Externally Adjustable Operating Frequency

Precision 2% Reference for Accurate Output Voltage Control

Driver with Bootstrap Capability for Increased Efficiency

Cycle−by−Cycle Current Limiting

Internal Thermal Shutdown Protection

Low Voltage Indicator Output for Direct Microprocessor Interface

Exposed Pad Power Package

Low Standby Current

NCV Prefix for Automotive and Other Applications Requiring Site

These are Pb−Free Devices

Figure 1. Typical Buck Application Circuit

LVI

Oscillator

Thermal

Current

Limit

(Bottom View)

out

See detailed ordering and shipping information in the package

dimensions section on page 18 of this data sheet.

*For additional information on our Pb−Free strategy

and soldering details, please download the

ON Semiconductor Soldering and Mounting

Techniques Reference Manual, SOLDERRM/D.

EXPOSED PAD

(Note: Microdot may be in either location)

CASE 751AG

NCx3163y

G or G

PW SUFFIX

SOIC−16W

ORDERING INFORMATION

http://onsemi.com

18−LEAD DFN

MN SUFFIX

CASE 505

= Specific Device Code

= Wafer Lot

= Assembly Location

= Year

= Work Week

= Pb−Free Package

x = P or V

y = blank or B

Publication Order Number:

DIAGRAMS

NCx3163yPW

AWLYYWWG

AWLYYWW G

MARKING

NCx3163y

NCP3163/D

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