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SSC3S927L

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Package : SOP18 (Pin 13 and 17 Removed)

RoHS : YES

Data Sheet(999KB)
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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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Design Support

  • Technical Documents

Technical Documents

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
RDS(ON) (max.)
VDSS (min.)
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
Automotive Qualified NO

Typical Application

Typical Application

Block Diagram

Block Diagram

Pin Configuration Definitions

Pin Configuration Definitions

Questions or Comments?

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