5pcs Original PFC PWM IC SSC1S312A SC1S312 1S312 SOP-7 New Sanken

$11.25 Stocking
Original PFC PWM IC SSC1S312A SC1S312 1S312 SOP-7 New Sanken SSC1S312A is the controller IC of a quasi-resonant mode for a switching power supplies. The IC incorporates a startup circuit and a standby function to reduce a power consumption and standby power. In normal operation, the quasi-reso...

Original PFC PWM IC SSC1S312A SC1S312 1S312 SOP-7 New Sanken

SSC1S312A is the controller IC of a quasi-resonant mode for a switching power supplies. The IC incorporates a startup circuit and a standby function to reduce a power consumption and standby power. In normal operation, the quasi-resonant mode operation achieves high efficiency and low noise. In addition, in medium to low load conditions, the operation mode is automatically changed from the quasi-resonant mode to the bottom-skip mode to improve efficiency. The IC is provided in the SOIC8 package. The power supply that is a low component counts and a high performance-to-cost can be achieved by the rich set of protection features.

Application

  • ● Digital Appliance
    ● Office Automation (OA) Equipment
    ● White Goods
    ● Industrial Apparatus
    ● Communication Facilities

Features

  • ● Multi-Mode Control
    ● Automatic Standby Function
    ● Input Power at No Load:
       <30mW at 100VAC
       <50mW at 230VAC
    ● Bottom-Skip Function
    ● Step-on Burst Oscillation Function
    ● Bias Assist Function
    ● Soft-Start Function
    ● Adjustable Startup Voltage
    ● Maximum On-time Limitation Function
    ● VCC Operational Range Expanded
    ● Leading Edge Blanking (LEB) Function
    ● Protection Functions
       Overcurrent Protection (OCP): Pulse-by-pulse
       Overvoltage Protection (OVP): Auto-restart
       Overload Protection (OLP): Auto-restart
       Thermal Shutdown (TSD): Auto-restart

Specifications

Control Method Quasi-Resonant
Type Controller
VCC (max.) 35 V
Oscillating Frequency(typ.) ― kHz
OCP YES
OLP Auto Restart
OVP Auto Restart
Brown-in / out NO
TSD

Auto Restart

 

Typical Application

 

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