Part Number | Data Sheet | SPICE Model | Qualified to AECQ10x | PPAP Capable | Topology | Minimum Supply Voltage (V) | Maximum Supply Voltage (V) | Maximum VOUT (V) | Number of Channels | LED Current Sense Voltage (mV) | OutputCurrent (mA) | LED Current (mA) | Accuracy (%) | Frequency (kHz) | Efficiency (%) | Dimming | Temperature Range (°C) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AL5801Q | AL5801.pdf | - | Yes | Yes | Linear LED Driver | 5 | 100 | 100 | 1 | 560 | 350 | 350 | - | - | - | PWM | -40 to +125 |
The AL5801 combines a 100V N-channel MOSFET with a prebiased NPN transistor to make a simple, small footprint °C driver. The °C current is set by an external resistor connected from REXT pin (4) to GND pin (6). The internal pre-biased transistor develops approximately 0.56V across the external resistor. The AL5801 open-drain output can operate from 1.1V to 100V enabling it to operate 5V to 100V power supplies without additional components. PWM dimming of the °C current can be achieved by driving the BIAS pin (1) with an external, open-collector NPN transistor or open-drain N-channel MOSFET. The AL5801 is available in a SOT26 package and is ideal for driving °C currents up to 350mA