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LM2704

Texas Instruments
Part Number LM2704
Manufacturer Texas Instruments
Description Micropower Step-Up DC/DC Converter
Published May 5, 2020
Detailed Description LM2704 www.ti.com SNVS175D – FEBRUARY 2002 – REVISED MAY 2013 LM2704 Micropower Step-up DC/DC Converter with 550mA Pe...
Datasheet PDF File LM2704 PDF File

LM2704
LM2704

Overview
LM2704 www.
ti.
com SNVS175D – FEBRUARY 2002 – REVISED MAY 2013 LM2704 Micropower Step-up DC/DC Converter with 550mA Peak Current Limit Check for Samples: LM2704 FEATURES 1 •2 550mA, 0.
7Ω, Internal Switch • Uses Small Surface Mount Components • Adjustable Output Voltage up to 20V • 2.
2V to 7V Input Range • Input Undervoltage Lockout • 0.
01µA Shutdown Current • Small 5-Lead SOT-23 Package APPLICATIONS • LCD Bias Supplies • White LED Back-Lighting • Handheld Devices • Digital Cameras • Portable Applications DESCRIPTION The LM2704 is a micropower step-up DC/DC in a small 5-lead SOT-23 package.
A current limited, fixed off-time control scheme conserves operating current resulting in high efficiency over a wide range of load conditions.
The 21V switch allows for output voltages as high as 20V.
The low 400ns off-time permits the use of tiny, low profile inductors and capacitors to minimize footprint and cost in space-conscious portable applications.
The LM2704 is ideal for LCD panels requiring low current and high efficiency as well as white LED applications for cellular phone back-lighting.
The LM2704 can drive up to 8 white LEDs from a single Li-Ion battery.
Typical Application Circuit 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.
All trademarks are the property of their respective owners.
2 PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright © 2002–2013, Texas Instruments Incorporated LM2704 SNVS175D – FEBRUARY 2002 – REVISED MAY 2013 Connection Diagram www.
ti.
com The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junctionto-ambient thermal ...


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