Not Recommended for New Design

SSC9522S

Package Image

Package:SOP18

The SSC9522S is a controller IC (SMZ method) for half-bridge resonant type power supply, incorporating a floating drive circuit for the high-side power MOSFET drive.
The product achieves high efficiency, low noise and high cost-performance power supply systems with few external components.

 Sanken will assist you in creating a power supply trans
 design using this product. Please fill out the form with
 your power supply specifications.
 Click Here

Features

    ・Built-in floating drive circuit for high-side power MOSFET
    ・Soft Start Function
    ・Capacitive Mode Operation Detection Function
     (Pulse-by-pulse)
    ・Automatic Dead Time Adjustment Function
    ・Brown-in and Brown-out Function
    ・Protections
     High-side Driver UVLO Protection
     External Latched Shutdown Function
     Overcurrent Protection (OCP): Three steps protection
     corresponding to overcurrent levels
     Overload Protection (OLP): Latched shutdown
     Overvoltage Protection (OVP): Latched shutdown
     Thermal Shutdown (TSD): Latched shutdown

Application

    Switching power supplies for electronic devices such as:
    lDigital appliances
    lOffice automation (OA) equipment
    lIndustrial apparatus
    lCommunication 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.) 28.3 to 300 kHz
OCP YES
OLP Latch
OVP Latch
Brown-in / out YES
TSD Latch
Power Consumption at No Load

Typical Application

Typical Application

Block Diagram

Block Diagram

Pin Configuration Definitions

Pin Configuration Definitions

Selection Guide

LLC IC

TypePart NumberFeature
xternal power supply type SSC9522SSuitable for low standby power applications.
Built-in standby function type
(Reducible in power supply size)
SSC3S901
SSC3S902
External-signal-controlled standby mode
2 types of protection mode: Auto-restart for 901, Latch for 902.
SSC3S910
SSC3S921
SSC3S927
Built-in Auto Standby Function
(PFC ON/OFF Function for 921, PFC ON/OFF Function and X-capacitor Discharge Function for 927.)

Questions or Comments?

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