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LM2700MT-ADJ 数据表(PDF) 1 Page - Texas Instruments

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部件名 LM2700MT-ADJ
功能描述  LM2700 600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LM2700MT-ADJ 数据表(HTML) 1 Page - Texas Instruments

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LM2700
www.ti.com
SNVS152C – MAY 2001 – REVISED MARCH 2013
LM2700 600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter
Check for Samples: LM2700
1
FEATURES
DESCRIPTION
The LM2700 is a step-up DC/DC converter with a
2
3.6A, 0.08
Ω, Internal Switch
3.6A, 80m
Ω internal switch and pin selectable
Operating Input Voltage Range of 2.2V to 12V
operating frequency. With the ability to produce
Input Undervoltage Protection
500mA at 8V from a single Lithium Ion battery, the
LM2700 is an ideal part for biasing LCD displays. The
Adjustable Output Voltage up to 17.5V
LM2700 can be operated at switching frequencies of
600kHz/1.25MHz Pin Selectable Frequency
600kHz and 1.25MHz allowing for easy filtering and
Operation
low noise. An external compensation pin gives the
Over Temperature Protection
user flexibility in setting frequency compensation,
which makes possible the use of small, low ESR
Small 14-Lead TSSOP or WSON Package
ceramic capacitors at the output. The LM2700
features continuous switching at light loads and
APPLICATIONS
operates with a switching quiescent current of 2.0mA
LCD Bias Supplies
at 600kHz and 3.0mA at 1.25MHz. The LM2700 is
available in a low profile 14-lead TSSOP package or
Handheld Devices
a 14-lead WSON package.
Portable Applications
GSM/CDMA Phones
Digital Cameras
Typical Application Circuit
Figure 1. 600 kHz Operation
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2001–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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