Datasheet > IRISA6131

IRISA6131

更新时间： 2024-09-30 21:55:27

品牌	Logo	应用领域
英飞凌 - INFINEON		调节器开关
页数	文件大小	规格书
7页	398K
描述
INTEGRATED SWITCHER

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数据手册

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IRISA6131 数据手册

IRIS-A6131

INTEGRATED SWITCHER

Features

•Small sized 8-pin DIP type full molded package, optimum IC for low-

height SMPS

•Off-timer circuit is provided on the monolithic control IC

• Low start-up circuit current (10uA max)

Package Outline

•Low circuit current at operation (1.5mA typ)

• Avalanche energy guaranteed MOSFET with high VDSS

ꢀ

The built-in power MOSFET simplifies the surge absorption

circuit since the MOSFET guarantees the avalanche energy.

ꢀ

No VDSS de-rating is required.

•Built-in Start-up circuit (the power loss in the start-up circuit is

reduced by cutting off the start-up circuit after the IC starts its

operation.)

•Auto Burst Stand-by (realizing input power<0.1W at no load)

•Auto Bias Function (stable burst operation without the interference on

transformer)

•Two operational modes by auto switching functions

ꢀ For normal operation: PRC mode

ꢀ For stand-by operation (at light load): Burst mode

•Built-in Leading Edge Blanking Function

• Built-in constant voltage drive circuit

8 Lead PDIP

ꢀ

Various kinds of protection functions

Pulse-by-pulse Overcurrent Protection (OCP)

Overvoltage Protection with latch mode (OVP)

Thermal Shutdown with latch mode (TSD)

Key Specifications

MOSFET

VDSS(V)

RDS(ON)

MAX

Pout(W)

Note 1

Type

ACinput(V)

IRIS-A6131

500

3.95

100/120 15%

Descriptions

IRIS-A6131 is a hybrid IC consisting of a power MOSFET and a controller IC, designed for PRC

fly-back converter type SMPS (Switching Mode Power Supply) applications, applicable for PRC

operation for small power SMPS. This IC realizes downsizing and standardizing of a power supply

system reducing external component count and simplifying the circuit design.

Note: PRC is abbreviation for “Pulse Ratio Control” (On-width control with fixed OFF-time).

Typical Connection Diagram

Startup

IRIS-A6131

OCP Vcc GND FB

Note 1: The pout (W) represents the thermal rating at PRC Operation. The peak power output is obtained by

approximating 120 to 140% of the above listed value. When the output voltage is low and ON-duty is narrow, the

Pout (W) shall become lower than that of above value.

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