| Part Number | HV9931 Datasheet |
|---|---|
| Manufacturer | Microchip Technology |
| Overview |
The HV9931 is a fixed-frequency PWM controller IC designed to control an LED lamp driver using a single-stage PFC buck-boost-buck topology. It can achieve a unity power factor and a very high step-dow.
* Constant Output Current LED Driver * Large Step-Down Ratio * Unity Power Factor * Low-Input Current Harmonic Distortion * Fixed-Frequency or Fixed Off-Time Operation * Internal 450V Linear Regulator * Input and Output Current Sensing * Input Current Limit * Enable Pulse-Width Modulation (PWM) Dimm. |
HV9931 Datasheet PDF
The HV9931 is a Unity Power Factor LED Lamp Driver.
| Part Number | HV9931 Datasheet |
|---|---|
| Description | UNITY POWER FACTOR LED LAMP DRIVER |
| Manufacturer | Supertex |
| Overview | The HV9931 is a fixed frequency PWM controller IC designed to control an LED lamp driver using a single-stage PFC buckboost-buck topology. It can achieve a unity power factor and a very high step-down . Constant Output Current Large Step-Down Ratio Unity Power Factor Low Input Current Harmonic Distortion Fixed Frequency or Fixed Off-Time Operation Internal 450V Linear Regulator Input and output current sensing www.DataSheet4U.com Input Current limit Enable, PWM and Phase Dimming General Descriptio. |