LD7552BS

 Datasheet :  dalincom.ru/datasheet/LD7552BS.pdf 
Features :
– High-Voltage CMOS Process with Excellent ESD Protection
– Very Low Startup Current (Typical 5µA)
– Under Voltage Lockout (UVLO)
– Current Mode Control with Cycle-by-Cycle Peak
– Current Limiting
– Leading-Edge Blanking on CS Pin
– Programmable Switching Frequency
– Internal Slope Compensation
– Proprietary Green-Mode Control for Power Saving1
–  Non-audible-noise Green Mode Control
–  500mA Driving Capability

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