Datasheet Details
| Part number | A8511 |
|---|---|
| Manufacturer | Allegro |
| File Size | 1.46 MB |
| Description | 4-Channel x 150 mA WLED/RGB Driver |
| Datasheet |
 A8511 Datasheet
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Description
The A8511 is a multioutput WLED/RGB driver for backlight-ing medium-size displays.
It is a fully integrated high-brightness (HB) LED driver solution that does not require external power devices to complete the backlighting design criteria.
Features
- Four LED sinks rated for 150 mA each (600 mA total).
- Boost converter with integrated 40 V DMOS switch and OVP.
- load-dump protection.
- 600 kHz to 2.2 MHz switching frequency.
- ability to operate above the AM band.
- Internal bias supply for single-supply operation (VIN= 6.8 to 21 V).
- 3.5 µA shutdown current.
- limits battery drain.
- Active current sharing between LED strings for 0.8% current matching and 0.7% accuracy.
- PWM dimming with LED PWM dut.