Description
The AT9917 is an advanced fixed frequency PWM IC designed to control single-switch, Boost, Sepic and Buck LED drivers in a Constant Current mode.
Features
- AEC-Q100 Automotive Reliability Qualified.
- Switch Mode Controller for Boost, SEPIC and
Buck Converters.
- Closed-Loop Control of Output Current.
- High PWM Dimming Ratio.
- Internal 40V Linear Regulator.
- Internal 3% Voltage Reference.
- Constant Frequency Operation with
Programmable Slope Compensation.
- Linear and PWM Dimming.
- Programmable Jitter to Reduce EMI.
- +/.
- 1A MOSFET Gate Driver.
- Output Shor.
AT9917 Datasheet
