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LM2704MF-ADJ Datasheet

  • LM2704MF-ADJ

  • Micropower Step-up DC/DC Converter with 550mA Peak Current L...

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LM2704 Micropower Step-up DC/DC Converter with 550mA Peak Current Limit
April 2003
LM2704
Micropower Step-up DC/DC Converter with 550mA Peak
Current Limit
General 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.
Features
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550mA, 0.7鈩? internal switch
Uses small surface mount components
Adjustable output voltage up to 20V
2.2V to 7V input range
Input undervoltage lockout
0.01碌A(chǔ) shutdown current
Small 5-Lead SOT-23 package
Applications
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LCD Bias Supplies
White LED Back-Lighting
Handheld Devices
Digital Cameras
Portable Applications
Typical Application Circuit
20031501
FIGURE 1. Typical 20V Application
漏 2003 National Semiconductor Corporation
DS200315
www.national.com

LM2704MF-ADJ 產(chǎn)品屬性

  • 1,000

  • 集成電路 (IC)

  • PMIC - LED 驅(qū)動(dòng)器

  • -

  • -

  • -

  • 1

  • 是

  • 背光

  • 白色 LED

  • -

  • 2.2 V ~ 7 V

  • 20.5V

  • 表面貼裝

  • SC-74A，SOT-753

  • SOT-23-5

  • 帶卷 (TR)

  • -40°C ~ 85°C

  • LM2704MF-ADJTR

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