Not Recommended for New Design
[ Alternative : SSC3S931]
SSC9522S
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.
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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 | |
Package Weight (Typ.) | g |
Typical Application
Block Diagram
Pin Configuration Definitions
Selection Guide
LLC IC
Type | Part Number | Feature |
---|---|---|
xternal power supply type | SSC9522S | Suitable 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.) |
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