Datasheet > LM2704MFX-ADJ

LM2704MFX-ADJ

更新时间： 2024-11-15 22:51:55

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器
页数	文件大小	规格书
11页	310K
描述
Micropower Step-up DC/DC Converter with 550mA Peak Current Limit

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LM2704MFX-ADJ 数据手册

April 2003

LM2704

Micropower Step-up DC/DC Converter with 550mA Peak

Current Limit

General Description

Features

n 550mA, 0.7Ω, internal switch

n Uses small surface mount components

n Adjustable output voltage up to 20V

n 2.2V to 7V input range

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.

n Input undervoltage lockout

n 0.01µA shutdown current

n Small 5-Lead SOT-23 package

Applications

n LCD Bias Supplies

n White LED Back-Lighting

n Handheld Devices

n Digital Cameras

n Portable Applications

Typical Application Circuit

20031501

FIGURE 1. Typical 20V Application

DS200315

www.national.com

12 3 4 5 6 7...11

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与LM2704MFX-ADJ相关器件

型号	品牌	获取价格	描述	数据表
LM2704MFX-ADJ/NOPB	TI	获取价格	0.62A SWITCHING REGULATOR, PDSO5, SOT-23, 5 PIN
LM2704MFX-ADJ/NOPB	ROCHESTER	获取价格	0.62A SWITCHING REGULATOR, PDSO5, SOT-23, 5 PIN
LM2705	NSC	获取价格	Micropower Step-up DC/DC Converter with 150mA Peak Current Limit
LM2705	TI	获取价格	具有 150mA 峰值电流限制的微功耗升压直流/直流转换器
LM2705_07	NSC	获取价格	Micropower Step-up DC/DC Converter with 150mA Peak Current Limit
LM2705MF-ADJ	NSC	获取价格	Micropower Step-up DC/DC Converter with 150mA Peak Current Limit
LM2705MF-ADJ/NOPB	TI	获取价格	具有 150mA 峰值电流限制的微功耗升压直流/直流转换器 \| DBV \| 5 \| -40
LM2705MFX-ADJ	NSC	获取价格	Micropower Step-up DC/DC Converter with 150mA Peak Current Limit
LM2705MFX-ADJ/NOPB	TI	获取价格	具有 150mA 峰值电流限制的微功耗升压直流/直流转换器 \| DBV \| 5 \| -40
LM2706	NSC	获取价格	Miniature, Variable, Step-Down DC-DC Converter with Bypass for RF Power Amplifiers