A8430 converter equivalent, white led driver constant current step-up converter.
Output voltage up to 36 V 2.5 V to 10 V input Drives up to 4 LEDs at 20 mA from a 2.5 V supply Drives up to 5 LEDs at 20 mA from a 3 V supply 1.2 MHz switching frequency .
LED backlights Portable battery-powered equipment Cellular phones PDAs (Personal Digital Assistant) Camcorders, personal.
Surface Mount Lead-Free, Surface Mount
Data Sheet
26185.300C
White LED Driver Constant Current Step-up Converter
Functional Block Diagram
FB SW
A8430
VIN
VREF 1.25 V
95 mV
A1 RC CC A2 R S Q Driver
Σ
Ramp Generator EN
Enable
1.2 MHz Oscilla.
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