LM2700MTX-ADJ National Semiconductor, LM2700MTX-ADJ Datasheet
LM2700MTX-ADJ
Manufacturer Part Number
LM2700MTX-ADJ
Description
600kHz/1.25MHz/ 2.5A/ Step-up PWM DC/DC Converter
Manufacturer
National Semiconductor
Datasheet
1.LM2700MTX-ADJ.pdf
(17 pages)
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Part Number:
LM2700MTX-ADJ
Manufacturer:
NS/国半
Quantity:
20 000
© 2001 National Semiconductor Corporation
LM2700
600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter
General Description
The LM2700 is a step-up DC/DC converter with a 3.6A,
80m
quency. With the ability to produce 500mA at 8V from a
single Lithium Ion battery, the LM2700 is an ideal part for
biasing LCD displays. The LM2700 can be operated at
switching frequencies of 600kHz and 1.25MHz allowing for
easy filtering and low noise. An external compensation pin
gives the user flexibility in setting frequency compensation,
which makes possible the use of small, low ESR ceramic
capacitors at the output. The LM2700 features continuous
switching at light loads and operates with a switching quies-
cent current of 2.0mA at 600kHz and 3.0mA at 1.25MHz. The
LM2700 is available in a low profile 14-lead TSSOP package
or a 14-lead LLP package.
Features
n 3.6A, 0.08 , internal switch
n Operating input voltage range of 2.2V to 12V
Typical Application Circuit
internal switch and pin selectable operating fre-
DS200123
600 kHz Operation
n Input undervoltage protection
n Adjustable output voltage up to 17.5V
n 600kHz/1.25MHz pin selectable frequency operation
n Over temperature protection
n Small 14-Lead TSSOP or LLP package
Applications
n LCD Bias Supplies
n Handheld Devices
n Portable Applications
n GSM/CDMA Phones
n Digital Cameras
20012301
October 2001
www.national.com
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