SG5841
Features
- Green-Mode PWM Controller
- Low Startup Current : 14µA
- Low Operating Current: 4m A
- Programmable PWM Frequency with Hopping
- Peak-Current-Mode Control
- Cycle-by-Cycle Current Limiting
- Synchronized Slope pensation
- Leading-Edge Blanking (LEB)
- Constant Output Power Limit
- Totem Pole Output with Soft Driving
- VDD Over-Voltage Clamping
- Programmable Over-Temperature Protection (OTP)
- Internal Open-Loop Protection
- VDD Under-Voltage Lockout (UVLO)
- GATE Output Maximum Voltage Clamp:18V
Applications
General-purpose, switch-mode, power supplies and flyback power converters, including:
- Power Adapters
- Open-Frame SMPS
Description
The highly integrated SG5841/J series of PWM controllers provides several features to enhance the performance of flyback converters.
To minimize standby power consumption, a proprietary green-mode function provides off-time modulation to continuously decrease the switching frequency at lightload conditions. This green-mode function...
