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SCM1733ASA

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Converter Offline Flyback Topology 65kHz 8-SOP

79.00 (excluding 18% GST)

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Description

The SCM1733ASA is a low power off-line SMPS Switcher optimized for off-line flyback converter applications in sub 20W power range. It is optimized for high performance, low standby power, and cost effective off line flyback converter application in sub 20W range. Low startup current and low operating current contribute to a reliable power on startup and low standby loss design with SCM1733ASA. SCM1733ASA offers complete protection coverage with automatic self recovery feature including Cycle-by-Cycle current limiting(OCP), overload protection(OLP),VDD under voltage lockout (UVLO),over temperature protection (OTP),and over voltage protection (OVP).Excellent EMI performance is achieved with internal frequency jitter technique and soft switching control at the totem pole gate drive output. The tone energy at below 22KHz is minimized in the design and audio noise is eliminated. SCM1733ASA is offered in SOP-8 package.

Features

 Extra Low Standby Loss(<75mW)
 Power-on Soft Start For Reducing MOS Stress
 Built-in 650V Power MOS
 Fixed 65KHz Switching Frequency
 Low VDD Startup and Operating Current
 Frequency Jitter for Softened EMI Signature
 Leading Edge Blanking on Current Sense and Slope Compensation
 Audio Noise Free Operation
 VDD Under Voltage Lockout with Hysteresis
 Cycle-by-Cycle Over Current Limiting
 Over Load Protection (OLP)
 Over Temperature Protection (OTP)
 VDD Over Voltage Protection (OVP)

Applications

 AC/DC Adapter
 Set-Top Box Power Supplies
 Auxiliary Power Supply
 Open-frame SMPS

Data Sheet

SCM1733A

Note

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

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