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SSC3S927L

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Package:SOP18

The SSC3S927L is a controller for LLC current resonant switching power supplies, incorporating a floating drive circuit for a high-side power MOSFET. The product includes useful functions such as Standby Function, Automatic Dead Time Adjustment, and Capacitive Mode Detection. The product achieves high efficiency, low noise and high cost-effective power supply systems with few external components.

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Features

    ● Standby Mode Change Function
      -Output Power at Light Load 150 mW(PIN = 0.27 W)
      -Burst Operation in Standby Mode
      -Soft-on/Soft-off function: Reduces Audible Noise
    ● Soft-start Function
    ● Capacitive Mode Detection Function
    ● Reset Detection Function
    ● Automatic Dead Time Adjustment Function
    ● Built-in Startup Circuit
    ● X-capacitor Discharge Function
    ● Protections
      -Input Overvoltage Protection (HVP): Auto-restart
      -Input Undevoltage Protection (UVP): Auto-restart
      -High-side Driver UVLO: Auto-restart
      -Overcurrent Protection (OCP): Auto-restart, Peak Drain Current Detection, 2-step Detection
      -Overload Protection (OLP): Auto-restart
      -Overvoltage Protection (OVP): Auto-restart
      -REG Overvoltage Protection (REG_OVP) : Auto-restart
      -Thermal Shutdown (TSD) : Auto-restart

Application

    Switching power supplies for electronic devices such as:
    ● Digital Appliances (e.g., Television)
    ● Office Automation (OA) Equipment (e.g., Server, MultiFunction Printer)
    ● Industrial Apparatus
    ● Communication Facilities

Specifications

Control Method Current Resonant
Type Controller
Output Current W
RDS(ON) (max.) Ω
VDSS (min.) V
VCC (max.) 35 V
Oscillating Frequency(typ.) 31.5 to 300 kHz
OCP YES
OLP Auto Restart
OVP Auto Restart
Brown-in / out YES
TSD Auto Restart
Power Consumption at No Load
Package Weight (Typ.) 0.27 g

Typical Application

Typical Application

Block Diagram

Block Diagram

Pin Configuration Definitions

Pin Configuration Definitions

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