| Part Number | LM5021 Datasheet |
|---|---|
| Manufacturer | National Semiconductor |
| Overview | The LM5021 off-line pulse width modulation (PWM) controller contains all of the features needed to implement highly efficient off-line single-ended flyback and forward power converters using current-m. needed to implement highly efficient off-line single-ended flyback and forward power converters using current-mode control. The LM5021 features include an ultra-low (25 µA) start-up current, which minimizes power losses in the high voltage start-up network. A skip cycle mode reduces power consumptio. |
LM5021 Datasheet and Specifications PDF
The LM5021 is a AC-DC Current Mode PWM Controller.
| Part Number | LM5021 Datasheet |
|---|---|
| Description | PWM Controller |
| Manufacturer | Texas Instruments |
| Overview |
The LM5021 off-line pulse width modulation (PWM) controller contains all of the features needed to implement highly efficient off-line single-ended flyback and forward power converters using currentmo.
*1 Ultra-low Startup Current (25 µA Maximum) * Current Mode Control * Skip Cycle Mode for Low Standby Power * Single Resistor Programmable Oscillator * Synchronizable Oscillator * Adjustable Soft-Start * Integrated 0.7-A Peak Gate Driver * Direct Opto-Coupler Interface * Maximum Duty Cycle Limiting . |