Monolithic Power Systems HFC0300HS
HFC0300 is a variable off-time controller that uses a fixed-peak–current technique to decrease its frequency as the load lightens. When the frequency decreases to threshold, the peak current decreases with the decreasing load to prevent mechanical resonance in the transformer. The controller enters burst mode when the output power falls below a given level.| Part No. | HFC0300HS |
|---|---|
| Datasheet | HFC0300HS Download |
| Manufacturer |  Monolithic Power Systems |
| Description | Variable Off Time Controller |
| Buy | Stock & Price |
DESCRIPTION
As a result, it offers excellent efficiency at light-load while optimizing the efficiency under other load conditions. The HFC0300 features various protections such as thermal shutdown, VCC under-voltage lockout, overload protection, short-circuit protection, and over-voltage protection. The HFC0300 is available in SOIC-7 package. HFC0300 Variable Off Time ControllerFEATURES
● Variable Off-Time, Current Mode Control● Universal Main Supply Operation (85VAC to 265VAC)
● Frequency Foldback as Load Lightens
● Peak-Current Compression to Reduce Transformer Noise
● Active-Burst Mode for Low Standby Power Consumption
● Internal High-Voltage Current Source
● Internal 200ns Leading Edge Blanking
● Thermal Shutdown (Auto Restart with Hysteresis)
● VCC Under-Voltage Lockout with Hysteresis
● Over-Voltage Protection on VCC Pin
● Timer-Based Overload Protection
● Short-Circuit Protection
● Natural Spectrum Shaping for Improved EMI Performance
APPLICATIONS
● Battery Charger for Portable Electronics● Standby Power Supply
● Switched-Mode Power Supplies All MPS parts are lead-free and adhere to the RoHS directive.
