DP2291 Description
DP2291 is a high performance current mode PWM controller for offline flyback converter applications. The IC has built-in General Primary Side CC control, which simplifies isolated power.
DP2291 Key Features
- General Primary Side Constant-Current (CC) Control Supports DCM and CCM Operation
- ± 5% CC Regulation, ± 1% CV Regulation with Fast Dynamic Response
- CC Algorithm pensates for Line Variation and Transformer Inductance Tolerance
- Less than 75mW Standby Power for sub 30W Application
- Current Mode Control
- Built-in Frequency Shuffling
- Fixed 65KHz Switching Frequency
- Green Mode and Burst Mode Control
- On-chip Thermal Shutdown
- Cycle-by-Cycle Current Limiting