A8290 Overview
The LEADCHIP A8290 is a high-voltage adjustable current source with accurate temperature pensation. The device is designed to provide a constant current source determined by an external sense resistor R .SENSE The current is adjustable from 10mA to 20mA with less than 10% error while input changes from 5V to 90V. With an external resistor (R1 in Figure 1) between VA and IS pin, the heat in the IC can be...
A8290 Key Features
- Wide operation range: from 5V to 90V(VA-B)
- ILED can be programmed from 10mA to 20mA via changing RSENSE
- Power dissipation can be adjusted
- Easy to use, only 3 pins and very little
- Can be paralleled for higher current
- Temperature pensated
- Available in TO-92 packages
