LM2733YMFX-NOPB

更新时间： 2024-11-05 12:04:39

品牌	Logo	应用领域
德州仪器 - TI		转换器开关升压转换器
页数	文件大小	规格书
22页	1324K
描述
LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23

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LM2733YMFX-NOPB 数据手册

LM2733

www.ti.com

SNVS209E –NOVEMBER 2002–REVISED APRIL 2013

LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23

Check for Samples: LM2733

FEATURES

DESCRIPTION

The LM2733 switching regulators are current-mode

boost converters operating fixed frequency of 1.6

MHz (“X” option) and 600 kHz (“Y” option).

•

40V DMOS FET Switch

•

1.6 MHz (“X”), 0.6 MHz (“Y”) Switching

Frequency

The use of SOT-23 package, made possible by the

minimal power loss of the internal 1A switch, and use

of small inductors and capacitors result in the

industry's highest power density. The 40V internal

switch makes these solutions perfect for boosting to

voltages of 16V or greater.

•

Low R_DS(ON) DMOS FET

Switch Current up to 1A

Wide Input Voltage Range (2.7V–14V)

Low Shutdown Current (<1 µA)

5-Lead SOT-23 Package

These parts have a logic-level shutdown pin that can

be used to reduce quiescent current and extend

battery life.

Uses Tiny Capacitors and Inductors

Cycle-by-Cycle Current Limiting

Internally Compensated

Protection is provided through cycle-by-cycle current

limiting and thermal shutdown. Internal compensation

simplifies design and reduces component count.

APPLICATIONS

•

White LED Current Source

PDA’s and Palm-Top Computers

Digital Cameras

Table 1. Switch Frequency

1.6 MHz

0.6 MHz

Portable Phones and Games

Local Boost Regulator

Typical Application Circuit

MBR0520

L1/10mH

5 V_IN

V_IN

12V

OUT

330mA

(TYP)

51K

R1/117K

LM2733 —X“

SHDN

GND

SHDN

GND

2.2mF

220pF

13.3K

4.7mF

MBR0530

L1/10mH

5 V_IN

V_IN

20V

OUT

170mA

(TYP)

51K

R1/205K

LM2733 —X“

SHDN

GND

2.2mF

120pF

13.3K

4.7mF

GND

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.

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.

12 3 4 5 6 7...22

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与LM2733YMFX-NOPB相关器件

型号	品牌	获取价格	描述	数据表
LM2734	NSC	获取价格	Thin SOT23 1A Load Step-Down DC-DC Regulator
LM2734	TI	获取价格	LM2734 Thin SOT 1A Load Step-Down DC-DC Regulator
LM27341	NSC	获取价格	2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regulator with Frequency Synchronization
LM27341	TI	获取价格	1.5A - 具有频率同步的宽输入范围降压稳压器
LM27341_10	NSC	获取价格	2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regulator with Frequency Synchronization
LM27341_15	TI	获取价格	LM27341/LM27342/LM27341-Q1/LM27342-Q1 2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regul
LM27341MY	NSC	获取价格	2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regulator with Frequency Synchronization
LM27341MY/NOPB	TI	获取价格	LM27341/LM27342/LM27341-Q1/LM27342-Q1 2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regul
LM27341MYX	NSC	获取价格	2 MHz 1.5A/2A Wide Input Range Step-Down DC-DC Regulator with Frequency Synchronization
LM27341MYX/NOPB	TI	获取价格	1.5A - Wide Input Range Buck Regulator with Frequency Synchronization 10-MSOP-PowerPAD -40

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