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LM2758 Driver Datasheet PDF

Switched Capacitor Flash LED Driver

Switched Capacitor Flash LED Driver

 

 

 

Part Number LM2758
Description Switched Capacitor Flash LED Driver
Feature www.
DataSheet.
in LM2758 Switched Capaci tor Flash LED Driver in micro SMD Octo ber 9, 2009 LM2758 Switched Capacitor Flash LED Driver in micro SMD General D escription LM2758 is an integrated low- noise, high-current switched capacitor DC/DC converter with a regulated curren t sink.
The device is capable of drivin g loads up to 700 mA from a singlecell Li-Ion battery.
Maximum efficiency is a chieved over the input voltage range by actively selecting the proper gain bas ed on the LED forward voltage and curre nt requirements.
One external low-power resistor sets the desired current for Indicator, Tor .
Manufacture National Semiconductor
Datasheet
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LM2758

 

 

 


 

 

 

Part Number LM2758
Description Switched Capacitor Flash LED Driver
Feature Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM2758 SNVS551E – APRIL 20 08 – REVISED MAY 2016 LM2758 Switched Capacitor Flash LED Driver in DSBGA Pa ckage 1 Features
•1 Up to 700-mA Out put Current
• 90% Peak Efficiency
• Indicator, Torch, and Flash Modes
• Time-Out Circuitry Limits Flash Duratio n to 814 Milliseconds (Typical)
• Ada ptive 1× and 1.
5× Gains for Maximum E fficiency
• True Shutdown
• Interna l Soft-Start Eliminates Inrush Current
• Ultra-Small Solution Size – No In ductor, Only 4 Capacitors and a Resisto r Required – 2.
022 mm × 1.
527 mm × 0.
6 .
Manufacture Texas Instruments
Datasheet
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LM2758

 

 

 

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