OBSOLETE

SI-8050Y

Package Image

Package : TO220F-7L

RoHS : YES

Data Sheet(560KB)

A current control type step-down switching regulator IC.
A highly efficient DC/DC converter can be realized, with use of the switching transistor which includes a low ON resistance N-ch MOSFET.
Also, the current control system has been adopted, enabling LC filter to be downsized.

Data Download

Design Support

  • Technical Documents

Technical Documents

Features

    ・High efficiency: 86% (Vo=5v,VIN=30V, Io=3A)
    　　94%(Vo=12V,VIN=30V, Io=3A)
    ・Built-in reference oscillator (Oscillating frequency:131kHz(TYP)
    ・・Built-in drooping-type-overcurrent and thermal protection circuits
    ・Built-in soft start function (Output ON/OFF available. Output OFF at low)
    ・Low current consumption during off

Application

・AC/DC Secondary stabilized power supply
・Power supply for flat panel TV
・Power supply for amusements

Specifications

Built-in Power Power IC
Output Method Fixed
Output Voltage 5.0 V
Output Current 8.0 A
Input Voltage Range 8.0 to 43 V
Operating Frequency 130 kHz
Synchronous / Asynchronous Asynchronous
Current Mode Control YES
Maximum Input Voltage 43.00 V
Output On / Off YES
Low ESR Capacitor Support YES
Overcurrent Protection Drooping Type
Phase Compensation External
Thermal Protection YES
UVLO YES
Package Weight (Typ.)
Automotive Qualified

Typical Application

Typical Application

Block Diagram

Block Diagram

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