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SI-8033JF

Package Image

Package : TO220F-5L

RoHS : YES

Data Sheet(577KB)

SI-8000JF series is a chopper type switching regulator IC, incorporating various features and protection functions needed for a step-down switching regulator.
Switching regulator with high precision and high efficiency can be constructed with only 4 discrete components.

Data Download

Design Support

  • Technical Documents

Technical Documents

Features

    Compact full mold package (TO220)
    ・Output current: 1.5A
    ・High efficiency: 67～88％
    ・Requires only 4 discrete components
    ・Internally-adjusted phase compensation and output voltage
    ・Capable of downsizing a choke-coil due to the IC's high switching frequency (Compared with conventional Sanken devices)
    ・Built-in foldback-overcurrent and thermal protection circuits
    ・Output ON/OFF available (circuit current at output OFF: 200μA max）
    ・Soft start available by ON/OFF

Application

・Power supply for telecommunication equipment
・On-board local power supply

Specifications

Built-in Power Power IC
Output Method Fixed
Output Voltage 3.3 V
Output Current 1.5 A
Input Voltage Range 5.3 to 40 V
Operating Frequency 125 kHz
Synchronous / Asynchronous Asynchronous
Current Mode Control NO
Maximum Input Voltage 40.00 V
Output On / Off YES
Low ESR Capacitor Support NO
Overcurrent Protection Foldback Type
Phase Compensation Built-in
Thermal Protection YES
UVLO NO
Package Weight (Typ.)
Automotive Qualified

Typical Application

Typical Application

Block Diagram

Block Diagram

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