Datasheet > 3845GP-E1

3845GP-E1

更新时间： 2024-10-02 02:58:55

品牌	Logo	应用领域
BCDSEMI		控制器
页数	文件大小	规格书
13页	162K
描述
GREEN MODE PWM CONTROLLER

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3845GP-E1 数据手册

Data Sheet

GREEN MODE PWM CONTROLLER

AP384XG

General Description

Features

The AP384XG is a Green Mode PWM controller. It is

specially designed for off-line AC-DC adapter and bat-

tery charger applications where both needs for low

standby power and high efficiency in normal operation

are required. In a well designed product, the AP384XG

is capable to allow the system consuming only 0.5W

power in standby mode.

Green Mode PWM Controller to Support the

"Blue Angel" Norm

Adjustable Skip Cycle Mode Operation

Low Start-up Current: 50µA (Typ.)

Low Standby Operating Current: 6mA

Internal Leading Edge Blanking

Adjustable Oscillator Frequency up to 500KHz

Totem Pole Output

In normal operation, the AP384XG features adjustable

frequency by using an external resistor and capacitor

Under Voltage Lock Out (UVLO)

combination. When output power falls below a given · Over-Temperature Protection

level, the IC automatically switches to the skip mode,

which works by skipping switching cycles. The

AP384XG also features low start-up and low standby

operating current for its special topology.

Pin to Pin Replacement for AZ384XA

Applications

The AP384XG provides accurate protection against

over-temperature, over-current and maximal output

power.

Off-line Converter

DC-DC Converter

DVD/STB Power Supply

Power Adapter

CRT Monitor Power Supply

The AP384XG is available in SOIC-8 and DIP-8

packages.

SOIC-8

DIP-8

Figure 1. Package Types of AP384XG

BCD Semiconductor Manufacturing Limited

Aug. 2005 Rev. 1. 2

12 3 4 5 6 7...13

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