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HV9931 |
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| Part Number | HV9931 |
| Manufacturer | Microchip (https://www.microchip.com/) |
| Description | 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... |
| Features |
• 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) Dimming and Phase Dimming Applications • Offline LED Lamps and Fixtures • Street Lamps • Traffic Signals • Decorative Lighting General Description 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... |
| Document |
 HV9931 Data Sheet
PDF 1.79MB |
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Desde 2024. D4U Semiconductor.
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