Description
ALT80600 / ALT80600-1 LED Driver with Pre-Emptive Boost for Ultra-High Dimming Ratio and Low Output Ripple .
The ALT80600 is a multi-output LED driver for small-size LCD backlighting.
Features
* Automotive AEC-Q100 qualified
* Wide input voltage range of 4.5 to 40 V for start/stop,
cold crank, and load dump requirements
* Fully integrated LED current sinks and boost converter
with internal power MOSFET
* Operate in Boost or SEPIC mode for flexible output
Applications
* Automotive infotainment backlighting
* Automotive cluster
* Automotive center stack
* Automotive exterior lighting
VIN = 4.5 to 40 V
Cin
* optional
0.024 Ω 383 Ω
Q1 D2
10 µH
D1 187 kΩ
VOUT ≤ 40 V
Vc
10 kΩ Enable PWM tON ≥ 0.3 µs APWM 100 kHz 0-90%
GATE
