ACTIVE

SSC3S931

Package Image

Package : SOP18 (Pin 13 and 17 Removed)

RoHS : YES

Data Sheet(798KB)
Check Online Stock

The SSC3S931 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 the automatic dead time adjustment and the capacitive mode detection.
The product achieves high efficiency, low noise, and high cost-effective power supply systems with few external components.

Data Download

Design Support

  • Technical Documents

Technical Documents

Features

    ・Capacitive Mode Detection Function
    ・Reset Detection Function
    ・Automatic Dead Time Adjustment Function
    ・Protections
    - High-side Driver UVLO: Auto-restart
    - VCC Pin Output Overvoltage Protection (VCC_OVP):
    　 Latched Shutdown
    - Input Overvoltage Protection (HVP): Latched Shutdown
    - Input Undervoltage Protection (UVP): Auto-restart
    - Overcurrent Protection (OCP): Auto-restart, peak drain
    　current detection, 2-step detection
    - Overload Protection (OLP): Latched Shutdown
    - Optocoupler Open Protection (OOP): Latched Shutdown
    - Thermal Shutdown (TSD) : Latched Shutdown

Application

Switching power supplies for electronic devices such as:
・Audio Visual (AV) Equipment
・Office Automation (OA) Equipment
・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 Latch
OVP Latch
Brown-in / out YES
TSD Latch
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?

Please feel free to contact us if you cannot find the desired product from the lineup.