Integrated Circuits (ICs) > Power Management ICs > Voltage Regulators - Switching

LM2734YMK - TI National Semiconductor

3V to 20V Input, 1A Step-Down Converter with Light Load Efficiency 6-SOT-23-THIN -40 to 125

Datasheet at TI.com

Technical Details

Case/Package	SOT-23-6
Efficiency	90%
Frequency	660kHz
Height	1.1mm
Lead Free	Contains Lead
Length	2.9mm
Max Input Voltage	20V
Min Input Voltage	3V
Max Operating Temperature	125°C
Min Operating Temperature	-40°C
Max Output Current	1A
Max Output Voltage	18V
Min Output Voltage	800mV
Max Supply Voltage	20V
Min Supply Voltage	3V
Mount	Surface Mount
Number of Outputs	1
Number of Pins	6
Output Configuration	Positive
Output Current	1A
Output Type	Adjustable
Output Voltage	18V
Package Quantity	1000
Packaging	Tape and Reel
Quiescent Current	2.1mA
Radiation Hardening	No
Reach SVHC Compliant	No
RoHS Compliant	No
Switching Frequency	550kHz
Synchronous Rectifier	No
Termination	SMD/SMT
Thickness	870um
Width	1.6mm

Compliance

RoHS : Not Compliant

Radiation Hardening : No

Images

TI National Semiconductor LM2734YMK | Rochester Electronics

Rochester Electronics

TI National Semiconductor LM2734YMK | Digikey

Digikey

Datasheets

Texas Instruments National Semiconductor

Official datasheet

Official datasheet

Official datasheet

Verical

LM2734YMK datasheet (pdf, 415.9 KB)

Digikey

LM2734YMK datasheet (pdf, 1.5 MB)

LM2734YMK datasheet (pdf, 1.5 MB)

Arrow Electronics

LM2734YMK datasheet (pdf)

Element14

LM2734YMK datasheet (pdf)

Farnell

LM2734YMK datasheet (pdf)

Lifecycle Status Indicator

Not Recommended for New Design

Loading indicators

Symbol

LM2734YMK Symbol - Texas Instruments National Semiconductor

Footprint

LM2734YMK Footprint - Texas Instruments National Semiconductor

LM2734YMK Footprint - Texas Instruments National Semiconductor

LM2734YMK Footprint - Texas Instruments National Semiconductor

‹ ›

Alternatives (Possible Substitutes)

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator	Confidence
Texas Instruments	MSP-EXP430G2	Obsolete
Texas Instruments	CD4071BE	Volume Production
Texas Instruments	SN74LVC1G3157DBVR	Volume Production
Texas Instruments	TPS71533DCKR	Volume Production
Texas Instruments	CC3200-LAUNCHXL	Volume Production
TI National Semiconductor	LM2734YMK/NOPB	Volume Production
TI National Semiconductor	LM2734YMKX/NOPB	Volume Production
TI National Semiconductor	LM2734YQMK/NOPB	Volume Production

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Authorized Distributors

Distributor

SKU

History

Stock

USD

1

10

50

100

1000

10000

Buy

Rochester Electronics

US: 5,266

$

3.17

3.17

3.11

2.98

2.69

2.69

Verical

US: 3,007

$

3.8875

3.3625

3.3625

Associate Distributors

Distributor

SKU

Stock

USD

1

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100

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Buy

Microchip USA

US: 326

$

21.39

21.32

21.26

21.19

Component Stockers USA

US: 3,114

$

3.21

3.21

3.21

3.02

2.73

2.73

Win Source

CN: 33,761

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2.646

2.4806

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1.5778

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6.212

6.15

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6.089

6.029

5.969

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1.0064

1.0064

1.0064

0.9561

0.8756

0.7246

Lucentia Tech

US: 4,075

$

4,075.00

3,871.25

3,871.25

3,667.50

1.08

1.08

RX Electronics Limited

CN: 7,888

$

4.12

4.12

3.223

3.009

3.009

Fmall Co. Limited

HK: 3,290

$

2.1829

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2.0421

1.9247

1.7604

Corohmni

US: 13

$

16.848

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16.848

16.848

16.848

16.848

Chipsmall Limited

CN: 50,000

$

7.70

6.93

6.93

4.4275

3.85

3.85

SHENGYU ELECTRONICS

CN: 44,767

$

2.64

2.5872

2.5872

2.508

2.4288

2.3232

ZTZ Technology Limited

CN: 17,431

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1.649

1.517

1.517

1.385

1.121

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Lixinc

CN: 7,683

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1.75

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1.75

1.6492

1.6492

Suntronic

CN: 7,283

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3.512

3.512

2.668

2.466

2.466

YIC International

HK: 5,450

$

0.601

0.601

0.601

0.601

0.601

0.601

Bettlink

HK: 3,496

$

2.6136

2.376

2.376

2.1798

1.8863

1.8863

ALLICDATA ELECTRONICS

HK: 1,000

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1.15

1.1155

1.1155

1.0925

1.0695

1.035

Cytech Systems

CN: 1,000

$

3.696

3.4742

3.4742

3.2894

3.1046

2.9198

Tactical IC USA

US: 272

$

20.15

20.15

20.15

20.15

Semicontronic

US: 29

$

16.848

16.848

16.848

16.848

16.848

16.848

Bison Technologies

LM2734YMK-212300

CN: 5,185

$

2.00

2.00

2.00

Bison Technologies

LM2734YMK-41000

CN: 701

$

1.66

1.66

1.66

DigiKey Marketplace

2156-LM2734YMK-ND

US: 3,266

$

3.30

3.30

3.30

Origin Data Global Limited

CN: 626

$

1.069

0.993

0.955

0.917

Quest

US: 8

$

3.60

2.70

2.70

2.70

2.70

2.70

Classic Components

US: 8

$

Decca Corp

PL: 500

$

Ampacity Systems

MY: 2,633

$

Lingto Electronic Ltd.

CN: 28,087

$

3.6313

3.4497

3.4497

3.2681

3.2318

3.1955

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