SiFirst SF5926S
CV/CC Power Switch
FEATURES
● Built-in 600V Power MOSFET● Multi-Mode Control
● Max. Frequency Clamping @ Output Short Circuit
● Proprietary NC-Cap/PSRTM (Primary Side Regulation) Control without External Compensation/Filtering Capacitor Needed
● Less than 70mW Standby Power
● ± 5% Constant Current (CC) and Constant Voltage (CV) Regulation at Universal AC Input
● Proprietary Cable Voltage Drop Compensation in CV Mode
● Compensate for Line Voltage Variation and Transformer Inductance Tolerances
● Audio Noise Free Operation
● Pin Floating Protection
● Cycle-by-Cycle Current Limiting
● Built-in Leading Edge Blanking (LEB)
● Built-in Soft Start
● Output Over Voltage Protection
● VDD OVP & Clamp
● VDD Under Voltage Lockout (UVLO)
APPLICATIONS
● Battery chargers for cellular phones, cordless phones, PDA, digital cameras, etc● Replaces linear transformer and RCC SMPS
● Small power