Datasheet Details
- Part number
- LM2731
- Manufacturer
- National Semiconductor
- File Size
- 528.20 KB
- Datasheet
- LM2731_NationalSemiconductor.pdf
- Description
- 0.6/1.6 MHz Boost Converters
LM2731 Description
LM2731 0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23 July 2003 LM2731 0.6/1.6 MHz Boost Converters With 22V Internal FET Switc.
The LM2731 switching regulators are current-mode boost converters operating at fixed frequencies of 1.
LM2731 Features
* n n n n n n n n n n 22V DMOS FET switch 1.6 MHz (“X”), 0.6 MHz (“Y”) switching frequency Low RDS(ON) DMOS FET Switch current up to 1.8A Wide input voltage range (2.7V
* 14V) Low shutdown current ( < 1 µA) 5-Lead SOT-23 package Uses tiny capacitors and inductors Cycle-by-cycle current limiting
LM2731 Applications
* n n n n n White LED Current Source PDA’s and Palm-Top Computers Digital Cameras Portable Phones and Games Local Boost Regulator
Typical Application Circuit
20059110
20059130
© 2003 National Semiconductor Corporation
DS200591
www. national. com
LM2731
Typical Application Circuit
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