Datasheet Details
| Part number | HV9989 |
|---|---|
| Manufacturer | Microchip Technology |
| File Size | 557.50 KB |
| Description | Three-Channel CCM/DCM Boost LED Driver |
| Datasheet |
 HV9989 Datasheet
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General Description
HV9989 is a three-channel peak current mode PWM controller designed to drive single switch converters in a constant-output current mode.
It can be used for driving either RGB LEDs or multiple channels of white LEDs.
Key Features
- Three out-of-phase constant-current boost converters.
- Current loop closed, with sub-microsecond PWMdimming pulses, supports PWM dimming >20 kHz.
- Internal 40V linear regulator.
- External clock input.
- External individual reference inputs.
- Individual PWM dimming inputs.
- Programmable slope compensation.
- +0.2A/-0.4A gate drivers.
- Independent short circuit protection with hiccup for each channel.
- Latching output.