OBSOLETE

SI-8033W

SI-8000W 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.

Features

    ・Surface-mount(SOP8) package
    ・Output current: 0.6A
    ・High efficiency: 75~80%
    ・Requires only 4 discrete components
    ・Internally-adjusted phase compensation and output voltage
    ・Built-in reference oscillator (60kHZ)
    ・Built-in drooping-type-overcurrent and thermal protection circuits

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 0.6 A
Input Voltage Range 5.3 to 28 V
Operating Frequency 60 kHz
Synchronous / Asynchronous Asynchronous
Current Mode Control NO
Maximum Input Voltage 28.00 V
Output On / Off NO
Low ESR Capacitor Support NO
Overcurrent Protection Drooping Type
Phase Compensation Built-in
Thermal Protection YES
UVLO NO
Package Weight (Typ.) g

Typical Application

Typical Application

Block Diagram

Block Diagram

Questions or Comments?

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