IS32LT3953 Overview
Key Specifications
Operating Voltage: 24 V
Max Voltage (typical range): 38 V
Min Voltage (typical range): 4.5 V
Length: 4.9 mm
Description
The IS32LT3953 is a DC-to-DC switching converter with an integrated N-channel MOSFET operating in a buck configuration. The device is connected to a voltage higher than the LED voltage; between 6V and 48V and provides a constant current of up to 3.0A for driving a single LED or multiple series connected LEDs.
Key Features
- Supply voltage 6V ~ 48V
- True average output current control
- 3.0A maximum output over operating temperature range
- Cycle-by-cycle current limit
- Integrated MOSFET switch
- Dimming via direct logic input or power supply voltage
- Internal control loop compensation
- Under-voltage lockout (UVLO) and thermal shutdown protection
- Low power shutdown (1μA typical)
- Robust protection against