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LM2700MT-ADJ 데이터시트(PDF) 1 Page - Texas Instruments |
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LM2700MT-ADJ 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 26 page 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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