Description
The HV9964 is a current mode control LED driver IC designed to control single switch PWM converters (boost or SEPIC) in a constant frequency mode.
Features
- Switch-mode controller for single switch converters.
- Boost.
- SEPIC.
- Current loop closed with sub-microsecond PWM dimming pulses supports PWM dimming >20kHz.
- High PWM dimming ratio (>10,000:1).
- Internal 40V linear regulator.
- Internal ±2% voltage reference.
- Programmable constant frequency operation.
- Programmable slope compensation.
- Programmable soft start.
- 10V, +0.25A/-0.5A MOSFET gate drivers.
- Hiccup mode protection for both sh.