Description
This third-generation Primary Side Regulation (PSR) PWM  controller combination power MOSFET,
FSEZ1307, provides several features to enhance the performance of low-power flyback converters. The proprietary topology,  TRUECURRENT™, enables precise CC regulation and simplified circuit design for battery-charger applications. Compared to a conventional design or a linear transformer, a low-cost, smaller, and lighter charger results.

FEATUREs
Low Standby Power: Under 30mW
High-Voltage Startup
Few External Components
Constant-Voltage (CV) and Constant-Current (CC) Control without Secondary-Feedback Circuitry
Green Mode: Linearly Decreasing PWM Frequency
Fixed PWM Frequency at 50kHz with Frequency Hopping to Solve EMI Problem
Cable Compensation in CV Mode
Peak-Current-Mode Control in CV Mode
Cycle-by-Cycle Current Limiting
VDD Over-Voltage Protection with Auto Restart
VDD Under-Voltage Lockout (UVLO)
Gate Output Maximum Voltage Clamped at 15V
Fixed Over-Temperature Protection with Auto Restart
Available in 7-Lead SOP Package