AL5811：Linear LED Drivers
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AL5811 | AL5811.pdf | - | No | No | Linear Driver | 3.5 | 60 | 60 | 1 | - | 75 | 75 | 6 | - | - | Ext | -40 to +125 |
Description
The AL5811 is an adjustable Linear °C driver offering excellent temperature stability and output handling capability. The AL5811 simplifies the design of linear and isolated or non-isolated °C drivers by setting the °C current with standard value resistors. The AL5811 has an open drain output that can swing from 1V up to 60V enabling it drive long °C chains. Its low 0.5V RSET pin is outside of the °C current path and so accuracy is maintained while minimizing the required overheads to regulate the °C current. This reduces its power dissipation when compared to traditional linear °C drivers. This makes it ideal for driving °Cs up to 75mA (commonly referred to as 1/4W °Cs). Longer °C chains can be driven by tapping VCC from the chain, where the chain voltage may exceed 60V. The AL5811 is available in the exposed pad MSOP-8EP and U-DFN3030-6 packages.
Application
- Isolated Offline LED Converters
- Linear LED Driver
- LED Signs
- Instrumentation Illumination
- Automotive Interior Lamps
Features
- Low Reference Voltage (VRSET = 0.5V)
- -40°C to +125°C Temperature Range
- ±6% Typical °C Current Tolerance
- Low Temperature Drift
- 1V to 60V Open-Drain Output
- High Power Supply Rejection
- MSOP-8EP and U-DFN3030-6: - Available in “Green” Molding Compound (No Br, Sb)
Ordering Information
- AL5811EV1
- AL5811EV2
- AL5811FF-7
- AL5811MP-13
U-DFN3030-6
MSOP-8EP
- AL5811.pdf AL5811
