LM2733

更新时间： 2024-09-14 12:02:47

品牌	Logo	应用领域
德州仪器 - TI		开关
页数	文件大小	规格书
22页	1362K
描述
40V DMOS FET Switch, 1.6 MHz (âXâ), 0.6 MHz (âYâ) Switching Frequency

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LM2733 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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LM2733 替代型号

型号	品牌	替代类型	描述	数据表
LM2700	TI	功能相似	LM2700 600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter
LM2731	TI	功能相似	LM2731 0.6/1.6 MHz Boost Converters With 22V Internal FET Switch in SOT-23
LM2735	TI	功能相似	LM2735/LM2735-Q1 520kHz/1.6MHz â Space-Effi

与LM2733相关器件

型号	品牌	获取价格	描述	数据表
LM2733_07	NSC	获取价格	0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23
LM2733XMF	TI	获取价格	LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23
LM2733XMF	NSC	获取价格	0.6/1.6 MHz Boost Converters With 40V Internal FET
LM2733XMF/NOPB	NSC	获取价格	IC 1.5 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN, Switching
LM2733XMF/NOPB	TI	获取价格	0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM2733XMF-NOPB	TI	获取价格	LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23
LM2733XMFX	TI	获取价格	LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23
LM2733XMFX	NSC	获取价格	0.6/1.6 MHz Boost Converters With 40V Internal FET
LM2733XMFX/NOPB	TI	获取价格	0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23 5-SOT-23 -40 to 125
LM2733XMFX-NOPB	TI	获取价格	LM2733 0.6/1.6 MHz Boost Converters With 40V Internal FET Switch in SOT-23

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