NCP1607BDR2G datasheet(1/23 Pages) ONSEMI

Part #	NCP1607BDR2G

Description	Cost Effective Power Factor Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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April, 2009 − Rev. 1

1

Publication Order Number:

NCP1607/D

NCP1607

Cost Effective Power Factor

Controller

The NCP1607 is an active power factor controller specifically

designed for use as a pre−converter in ac−dc adapters, electronic

ballasts, and other medium power off line converters (typically up to

250 W). It utilizes Critical Conduction Mode (CRM) to ensure unity

power factor across a wide range of input voltages and power levels.

The NCP1607 minimizes the number of external components. The

integration of comprehensive safety protection features makes it an

excellent choice for designing robust PFC stages. It is available in a

SOIC−8 package.

General Features

• “Unity” Power Factor

• No Need for Input Voltage Sensing

• Latching PWM for Cycle by Cycle On Time Control (Voltage Mode)

• High Precision Voltage Reference (±1.6% over the Temperature

Range)

• Very Low Startup Current Consumption (≤ 40 mA)

• Low Typical Operating Current (2.1 mA)

• Source 500 mA / Sink 800 mA Totem Pole Gate Driver

• Undervoltage Lockout with Hysteresis

• Pin to Pin Compatible with Industry Standards

• This is a Pb−Free Device

• This Device uses Halogen−Free Molding Compound

Safety Features

• Programmable Overvoltage Protection

• Open Feedback Loop Protection

• Accurate and Programmable On Time Control

• Accurate Overcurrent Detector

Typical Applications

• AC−DC Adapters, TVs, Monitors

• Off Line Appliances Requiring Power Factor Correction

• Electronic Light Ballast

Figure 1. Typical Application

+

AC Line

EMI

Filter

1

4

3

2

8

5

6

7

+

CBULK

LOAD

(Ballast,

SMPS, etc.)

NCP1607

VOUT

RS

CIN

RZCD

ROUT1

ROUT2

CCOMP

VCC

CT

DBOOST

LBOOST

FB

Control

Ct

CS

GND

ZCD

DRV

VCC

http://onsemi.com

SO−8

D SUFFIX

CASE 751

MARKING

DIAGRAMS

PIN CONNECTION

1

8

A

= Assembly Location

L

= Wafer Lot

Y

= Year

W

= Work Week

G

= Pb−Free Package

1607B

ALYW

G

1

8

FB

Control

Ct

CS

VCC

DRV

GND

ZCD

(Top View)

Device

Package

Shipping†

ORDERING INFORMATION

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specifications

Brochure, BRD8011/D.

NCP1607BDR2G

SOIC−8

(Pb−Free)

2500 / Tape & Reel

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