IS32LT3965 Description
The IS32LT3965 is a synchronous DC/DC switching LED driver that integrates high-side and low-side Nchannel MOSFETs to operate in a Buck configuration. The device can operate from a wide input voltage between 3.8V and 38V and provides a constant current of up to 1.5A for driving a single LED or multiple series connected LEDs. The external resistor, RIS, is used to set a constant LED output current, while allowing the...
IS32LT3965 Key Features
- Wide input voltage supply from 3.8V to 38V
- High-side sense and true average output current
- Operating frequency up to 2.2MHz
- Forced Continuous Conduction Mode (FCCM) operation
- Integrated high-side and low-side MOSFET switches
- Cycle-by-cycle current limit
- Dimming via PWM logic input or analog voltage
- Supports LED thermal roll-off or LED binning
- Internal control loop pensation
- Externally programmable undervoltage lockout (UVLO)