ACT6357 Description
The ACT6357 and ACT6358 step-up DC/DC converters drive white LEDs with an externally programmable constant current.
ACT6357 Key Features
- High-Efficiency DC/DC WLED Bias Supply
- Internal 40V, 0.55Ω Power MOSFET
- Up to 10 WLEDs per String
- Two Peak Current Options
- ACT6357: 0.5A
- ACT6358: 1A
- Supports Analog and PWM LED Dimming
- Integrated Over-Voltage Protection (OVP)
- Programmable Soft-Start Function
- Thermal Shutdown