Description
The ft3356 is a low noise, high efficiency 6-channel charge-pump LED driver that uses a quad-mode load switch: pass-through (1X), fractional (1.33X/1.5X), or doubling (2X) conversion to maximize efficiency for white LED applications.
Features
- VIN range: 2.7V to 5.5V.
- Fully programmable current with single-wire
- Eight-step current: 20mA to 50μA - Individual main-sub group control.
- Quad-mode charge-pump: 1X, 1.33X, 1.5X, 2X.
- High efficiency up to 92%.
- Drives up to six LED channels.
- Low input ripples in all modes.
- Minimum number of external components.
- Built-In short-circuit protection.
- Soft-start function limiting inrush current.
- Low shutdown current ISHDN.