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NCP1000, NCP1001,

NCP1002

Integrated Off鈭扡ine

Switching Regulator

The NCP1000 through NCP1002 series of integrated switching

regulators, combine a fixed frequency PWM controller with an

integrated high voltage power switch circuit. This chip allows for

simple design and minimal parts count for very low cost applications

which utilize an ac input. This chip is designed to power a single ended

topology, typically a discontinuous mode flyback, with secondary side

sensing.

The internal high voltage switch circuit and start鈭抲p circuit can

function in continuous operation over a wide range of inputs, from 85

Vac to 265 Vac, and thus can be used in any existing power system in

the world. Though inexpensive, these devices include a number of

features such as undervoltage lockout, over鈭抰emperature protection,

bandgap reference and leading edge blanking that make them an

excellent value.

Features

http://onsemi.com

8

DIP鈭?

P SUFFIX

CASE 626

1

Pin:

1.

2.

3, 6鈭?

4.

5.

1

V

CC

Feedback Input

Ground

Startup

Power Switch Circuit

NCP100xP

AWL

YYWW

8

鈥?/div>

Highly Integrated Solution

Operates Over Universal Input Voltage Range (85 Vac to 265 Vac)

On鈭抌oard 700 Volt Power Switch Circuit

Minimal External Parts Required

Input Undervoltage Lockout with Hysteresis

Very Low Standby Current

No Minimum Load Requirement

Opto Fail鈭抯afe Shutdown Circuit

x

A

WL

YY

WW

= Device Number 0, 1, or 2

= Assembly Location

= Wafer Lot

= Year

= Work Week

ORDERING INFORMATION*

Ipk Ron

Typ Max

(A) (W)

0.5

1.0

1.5

18

9

6

Typical Applications

Device

NCP1000P

NCP1001P

NCP1002P

Package

DIP鈭?

Shipping

50 Units/Rail

鈥?/div>

Cell Phone Chargers

鈥?/div>

Wall Adapters

鈥?/div>

On鈭抌oard AC鈭扗C Converters

V

CC

INTERNAL BIAS

UVLO &

OPTO FAIL鈭扴AFE

FEEDBACK

INPUT

+

鈭?/div>

GND

PWM

COMPARATOR

PWM CONTROL

& POWER

SWITCH CIRCUIT

START鈭扷P

*Consult factory for additional optocoupler fail鈭抯afe

latching, frequency, and current limit options.

START鈭扷P

CIRCUIT

POWER

SWITCH

CIRCUIT

OSCILLATOR

Figure 1. Simplified Block Diagram

漏

Semiconductor Components Industries, LLC, 2003

1

December, 2003 鈭?Rev. 7

Publication Order Number:

NCP1000/D

標準包裝
1,000
類別
集成電路 (IC)
家庭
PMIC - AC-DC 轉(zhuǎn)換器，離線開關(guān)
系列
-
輸出隔離
隔離
頻率范圍
90kHz ~ 115kHz
輸入電壓
7.5 V ~ 10 V
輸出電壓
700V
功率（瓦特）
-
工作溫度
-40°C ~ 125°C
封裝/外殼
8-DIP（0.300"，7.62mm）
供應商設(shè)備封裝
8-PDIP
包裝
管件
其它名稱
NCP1002POS

NCP1002P相關(guān)型號PDF文件下載

型號

版本

描述

廠商

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NCP1002P Datasheet

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