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LM2751 Driver Datasheet PDF

Capacitor White LED Driver

Capacitor White LED Driver

 

 

 

Part Number LM2751
Description Capacitor White LED Driver
Feature LM2751 Regulated 2X, 1.
5X Switched Capac itor White LED Driver April 2005 LM27 51 Regulated 2X, 1.
5X Switched Capacito r White LED Driver www.
datasheet4u.
com General Description The LM2751 is a co nstant frequency switched capacitor cha rge pump with regulated output voltage options of 4.
5V, and 5.
0V.
Over the inp ut voltage range of 2.
8V to 5.
5V the LM 2751 provides up to 150mA of output cur rent and requires only four low-cost ce ramic capacitors.
The LM2751 provides e xcellent efficiency without the use of an inductor by operating the charge pum p in a gain of 3/2 or 2.
The proper gai n for maintain .
Manufacture National Semiconductor
Datasheet
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LM2751

 

 

 


 

 

 

Part Number LM2751
Description White LED Driver
Feature LM2751 www.
ti.
com SNVS299B – APRIL 2 005 – REVISED MAY 2013 LM2751 Regula ted 2X, 1.
5X Switched Capacitor White L ED Driver Check for Samples: LM2751 FE ATURES 1
•2 Regulated Output Options: 4.
5V, 5.
0V
• Output Voltage Regulate d Within 3%
• Peak Efficiency Over 90 %
• 150mA (4.
5V) or 80mA (5.
0V) Outpu t Current Capability
• Input Voltage Range: 2.
8V to 5.
5V
• Low Input and O utput Voltage Ripple
• <1µA Typical Shutdown Current
• Small Solution Siz e - NO INDUCTOR
• Programmable 725kHz , 300kHz, 37kHz, or 9.
5kHz Switching Fr equencies
• 10-pin SON No-Pullback Pa ckage: 3mm × 3mm × 0.
8mm APPLICATION S .
Manufacture Texas Instruments
Datasheet
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LM2751

 

 

 

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