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FAN5607

Fairchild Semiconductor
Part Number FAN5607
Manufacturer Fairchild Semiconductor
Description LED Driver
Published Mar 30, 2005
Detailed Description www.fairchildsemi.com FAN5607 LED Driver with Adaptive Charge Pump DC/DC Converter Features • • • • • • • • • • • • • •...
Datasheet PDF File FAN5607 PDF File

FAN5607
FAN5607

Overview
www.
fairchildsemi.
com FAN5607 LED Driver with Adaptive Charge Pump DC/DC Converter Features • • • • • • • • • • • • • • • • • Parallel LED Driver Supports all Forward Voltages Adaptive VOUT Adjustment to the Highest Diode Voltage Internally Matched LED Current Sources Built-in Charge Pump has Three Modes of Operation: – 1X, 1.
5X, and 2X Mode Up to 93% Efficiency Low EMI, Low Ripple Up to 120mA Output Current ( 4 × 30 mA ) External Resistor to Set Maximum (100%) LED Current Enable Input Can be Duty-Cycle-Modulated to Control LED Current Level Between 0 and 100% 2.
4V to 5.
5V Input Voltage Range ICC < 1µA in Shutdown Mode 1MHz Operating Frequency Shutdown Isolates Output from Input Soft-Start Limits Inrush Current Short Circuit Protection Minimal External Components Needed Available in a 4x4mm 16-lead MLP Package Description The FAN5607 generates regulated output current from a battery with input voltage varying between 2.
7V to 5.
5V.
Switch reconfiguration and fractional switching techniq...


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