Datasheet > AN8038

AN8038

更新时间： 2024-11-08 22:47:51

品牌	Logo	应用领域
松下 - PANASONIC		开关
页数	文件大小	规格书
22页	179K
描述
AC-DC switching power supply control IC with RCC local resonance circuit for improved conformance with energy conservation laws

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AN8038 数据手册

Voltage Regulators

AN8038, AN8038S

AC-DC switching power supply control IC

with RCC local resonance circuit for

improved conformance with

AN8038

Unit: mm

energy conservation laws

■ Overview

The AN8038 and AN8038S are self-excited AC-DC

switching power supply control IC that adopt RCC local

resonance control. These ICs are designed to achieve high

efficiency over a wide range of loads (light loads at the

standby mode to heavy loads) for improved conformance

with energy conservation laws, and support input levels

used worldwide. They are particularly appropriate for use

in AV and OA equipments.

0.51 min.

3.8±0.25

(3.45)

6.3±0.3

7.62±0.25

3° to 15°

DIP008-P-0300B

■ Features

AN8038S

Unit: mm

5.01±0.20

• Supports improved conformance with energy conser-

vation laws by providing two operating modes.

With external resistors, it is possible to set the operating

point at which the modes change over according to the

load power, as shown below.

(1.05)

0° to10°

0.50±0.20

1.Continuous (RCC) mode

High efficiency achieved with local resonance opera-

tion (zero cross detection).

2.Discontinuous mode (standby) mode

Reduced switching loss and standby power due to re-

duced frequency

+0.10

(0.60)

1.27

0.10

0.40

–0.05

Seating plane

• Input voltage correction function. This function corrects

the maximum on-period in a manner inversely propor-

tional to the input voltage.

SOP008-P-0225C

• Built-in overvoltage protection function (detects at V_CCpin)

• Pulse-by-pulse overcurrent protection function (single detection per one cycle)

• Packages: 8-pin DIP ··· AN8038

8-pin SOP ··· AN8038S

■ Applications

• Facsimiles and other OA equipment

• Printers and other personal computer peripheral equipment

• AV equipment

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