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MAX1573

Maxim Integrated Products
Part Number MAX1573
Manufacturer Maxim Integrated Products
Description White LED 1x/1.5x Charge Pump
Published Mar 24, 2010
Detailed Description 19-2847; Rev 0; 4/03 www.DataSheet4U.com White LED 1x/1.5x Charge Pump in UCSP General Description The MAX1573 fractio...
Datasheet PDF File MAX1573 PDF File

MAX1573
MAX1573

Overview
19-2847; Rev 0; 4/03 www.
DataSheet4U.
com White LED 1x/1.
5x Charge Pump in UCSP General Description The MAX1573 fractional charge pump drives up to four white LEDs with regulated constant current for uniform intensity.
By utilizing proprietary adaptive 1x/1.
5x modes and ultra-low-dropout current regulators, it maintains the highest possible efficiency over the full 1-cell Li+ battery input voltage range.
The 1MHz fixedfrequency switching allows for tiny external components and the regulation scheme is optimized to ensure low EMI and low input ripple.
An external resistor sets the full-scale LED current, while two digital inputs control on/off and select amongst three levels of brightness.
A...


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