200 mA low quiescent current and high PSRR voltage regulator

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  • The LDK320 is a low drop voltage regulator, which provides a maximum output current of 200 mA from an input voltage in the range of 2.5 V to 18 V, with a typical dropout voltage of 100 mV.

    It is stabilized with a ceramic capacitor on the output.
    The very good dynamic characteristic, combined with low drop voltage and low quiescent current make it suitable for low power battery-powered applications.
    The enable logic control function allows the LDK320 to be in shutdown mode by consuming a total current lower than 1 μA.
    This device also includes a short-circuit current limiting, thermal and SOA protections.

    主要特性

    • Input voltage from 2.5 to 18 V
    • Very low-dropout voltage (100 mV typ. @ 100 mA load)
    • Low quiescent current (typ. 60 μA, 1 μA in off mode)
    • High PSRR: 88 dB@120 Hz
    • Low noise
    • Output voltage tolerance: ± 2.0% @ 25 °C; (±0.5% version available on request)
    • Output current up to 200 mA
    • Wide range of output voltages available on request: fixed from 1.2 V to 12 V with 100 mV step and adjustable
    • Logic-controlled electronic shutdown
    • Compatible with ceramic capacitor COUT = 1 μF
    • Current, SOA and thermal protections
    • Available in SOT23-5L and SOT-89 packages
    • Temperature range: -40 °C to 125 °C

样片和购买

型号
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Output Voltage (V) (nom)
Output Tolerance (typ)
Output Current (A) (nom)
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LDK320AU50R SOT-89 Tape And Reel 3.6 0.5 0.2
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ECCN (US):

EAR99

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LDK320AM18R SOT23-5L Tape And Reel 1.8 0.5 0.2
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LDK320M-R SOT23-5L Tape And Reel - 2 0.2
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EAR99

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LDK320AM50R SOT23-5L Tape And Reel 5 0.5 0.2
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LDK320M12R SOT23-5L Tape And Reel 12 0.5 0.2
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LDK320AM33R SOT23-5L Tape And Reel 3.3 0.5 0.2
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LDK320AM-R SOT23-5L Tape And Reel - 0.5 0.2
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LDK320ADU120R SOT-89 Tape And Reel 12 2 0.2
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LDK320M18R SOT23-5L Tape And Reel 1.8 2 0.2
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LDK320AU50R

Package

SOT-89

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320AU50R

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Output Voltage (V) (nom)

3.6

Output Tolerance (typ)

0.5

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

LDK320AM18R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Output Voltage (V) (nom)

1.8

Output Tolerance (typ)

0.5

Output Current (A) (nom)

0.2

Marketing Status

Preview

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

LDK320M-R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320M-R

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Output Voltage (V) (nom)

-

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320AM120R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320AM120R

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1954

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2912

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92

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Output Voltage (V) (nom)

12

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320M25R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320M25R

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地区

AMERICA Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

1.8

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320M120R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Output Voltage (V) (nom)

1.2

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Preview

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

LDK320AM50R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320AM50R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 6232 1 Order Now
AVNET AMERICA 69380 0 Order Now
ARROW EUROPE 6000 0 Order Now
MOUSER WORLDWIDE 2572 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

6232

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

69380

Min.Order

0

地区

AMERICA Order Now

ARROW

库存

6000

Min.Order

0

地区

EUROPE Order Now

MOUSER

库存

2572

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

5

Output Tolerance (typ)

0.5

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320AM25R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320AM25R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2963 1 Order Now
AVNET AMERICA 3000 0 Order Now
FUTURE WORLDWIDE 3000 3000 Order Now
MOUSER WORLDWIDE 2788 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

2963

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

3000

Min.Order

0

地区

AMERICA Order Now

FUTURE

库存

3000

Min.Order

3000

地区

WORLDWIDE Order Now

MOUSER

库存

2788

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

2.5

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320AM30R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320AM30R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2230 1 Order Now
AVNET AMERICA 100 0 Order Now
MOUSER WORLDWIDE 2154 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

2230

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

100

Min.Order

0

地区

AMERICA Order Now

MOUSER

库存

2154

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

3

Output Tolerance (typ)

0.5

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320M33R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320M33R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2373 1 Order Now
ARROW EUROPE 6000 0 Order Now
MOUSER WORLDWIDE 2543 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

2373

Min.Order

1

地区

WORLDWIDE Order Now

ARROW

库存

6000

Min.Order

0

地区

EUROPE Order Now

MOUSER

库存

2543

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

3.3

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320AM15R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320AM15R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 3000 1 Order Now
AVNET AMERICA 3000 0 Order Now
FUTURE WORLDWIDE 3000 3000 Order Now
MOUSER WORLDWIDE 2979 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

3000

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

3000

Min.Order

0

地区

AMERICA Order Now

FUTURE

库存

3000

Min.Order

3000

地区

WORLDWIDE Order Now

MOUSER

库存

2979

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

12

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320ADU30R

Package

SOT-89

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Output Voltage (V) (nom)

-

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Preview

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

LDK320M12R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Output Voltage (V) (nom)

12

Output Tolerance (typ)

0.5

Output Current (A) (nom)

0.2

Marketing Status

Preview

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

LDK320M50R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320M50R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 893 1 Order Now
MOUSER WORLDWIDE 1430 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

893

Min.Order

1

地区

WORLDWIDE Order Now

MOUSER

库存

1430

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

5

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320M36R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Output Voltage (V) (nom)

3.6

Output Tolerance (typ)

-

Output Current (A) (nom)

0.2

Marketing Status

Preview

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

LDK320AM36R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320AM36R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2868 1 Order Now
FUTURE WORLDWIDE 3000 3000 Order Now
MOUSER WORLDWIDE 2745 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

2868

Min.Order

1

地区

WORLDWIDE Order Now

FUTURE

库存

3000

Min.Order

3000

地区

WORLDWIDE Order Now

MOUSER

库存

2745

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

-

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320AM12R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Output Voltage (V) (nom)

-

Output Tolerance (typ)

0.5

Output Current (A) (nom)

0.2

Marketing Status

Preview

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

LDK320AM33R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320AM33R

代理商名称
地区 库存 最小订购量 Third party link
AVNET AMERICA 180 0 Order Now
MOUSER WORLDWIDE 346 1 Order Now
Farnell Element14 EUROPE 4 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

AVNET

库存

180

Min.Order

0

地区

AMERICA Order Now

MOUSER

库存

346

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

4

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

3.3

Output Tolerance (typ)

0.5

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

LDK320M15R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Output Voltage (V) (nom)

1.2

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Preview

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

LDK320ADU50R

Package

SOT-89

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320ADU50R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2500 1 Order Now
ARROW EUROPE 25800 0 Order Now
MOUSER WORLDWIDE 1933 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

2500

Min.Order

1

地区

WORLDWIDE Order Now

ARROW

库存

25800

Min.Order

0

地区

EUROPE Order Now

MOUSER

库存

1933

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

5

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

LDK320M30R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320M30R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2573 1 Order Now
MOUSER WORLDWIDE 2730 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

2573

Min.Order

1

地区

WORLDWIDE Order Now

MOUSER

库存

2730

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

3

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320ADU33R

Package

SOT-89

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320ADU33R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 1453 1 Order Now
RS COMPONENTS EUROPE 4160 20 Order Now
AVNET AMERICA 7485 0 Order Now
MOUSER WORLDWIDE 32344 1 Order Now
Farnell Element14 EUROPE 749 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

1453

Min.Order

1

地区

WORLDWIDE Order Now

RS COMPONENTS

库存

4160

Min.Order

20

地区

EUROPE Order Now

AVNET

库存

7485

Min.Order

0

地区

AMERICA Order Now

MOUSER

库存

32344

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

749

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

1.2

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

LDK320AM-R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320AM-R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 1208 1 Order Now
AVNET AMERICA 3000 0 Order Now
ARROW EUROPE 6000 0 Order Now
MOUSER WORLDWIDE 5121 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

1208

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

3000

Min.Order

0

地区

AMERICA Order Now

ARROW

库存

6000

Min.Order

0

地区

EUROPE Order Now

MOUSER

库存

5121

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

-

Output Tolerance (typ)

0.5

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LDK320ADU120R

Package

SOT-89

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320ADU120R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 6457 1 Order Now
RS COMPONENTS EUROPE 2475 1 Order Now
AVNET AMERICA 7500 0 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
ARROW EUROPE 5000 0 Order Now
MOUSER WORLDWIDE 5486 1 Order Now
Farnell Element14 EUROPE 103 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

6457

Min.Order

1

地区

WORLDWIDE Order Now

RS COMPONENTS

库存

2475

Min.Order

1

地区

EUROPE Order Now

AVNET

库存

7500

Min.Order

0

地区

AMERICA Order Now

FUTURE

库存

2500

Min.Order

2500

地区

WORLDWIDE Order Now

ARROW

库存

5000

Min.Order

0

地区

EUROPE Order Now

MOUSER

库存

5486

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

103

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

12

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

LDK320M18R

Package

SOT23-5L

Packing Type

Tape And Reel

Unit Price (US$)

0.296*

Distributor availability ofLDK320M18R

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 1834 1 Order Now
AVNET AMERICA 250 0 Order Now
MOUSER WORLDWIDE 2416 1 Order Now
Farnell Element14 EUROPE 204 1 Order Now

代理商库存报告日期: 2019-04-18

代理商名称

DIGIKEY

库存

1834

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

250

Min.Order

0

地区

AMERICA Order Now

MOUSER

库存

2416

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

204

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-04-18

Output Voltage (V) (nom)

1.8

Output Tolerance (typ)

2

Output Current (A) (nom)

0.2

Marketing Status

Active

Unit Price (US$)

0.296

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

00 Files selected for download

技术文档

    • Description 版本 文档大小 Action
      DS11321
      200 mA high accuracy and high PSRR voltage regulator
      4.0
      882.43 KB
      PDF
      DS11321

      200 mA high accuracy and high PSRR voltage regulator

出版刊物和宣传资料

    • Description 版本 文档大小 Action
      Linear and Switching Voltage Regulators Selection Guide 3.0
      370.88 KB
      PDF

      Linear and Switching Voltage Regulators Selection Guide

    • Description 版本 文档大小 Action
      电源管理 2017版指南 09.2017
      4.42 MB
      PDF
      Low-dropout (LDO) linear voltage regulators - Quick Reference Guide 2.0
      216.23 KB
      PDF
      Power management for handheld and portable 2.0
      1.09 MB
      PDF

      电源管理 2017版指南

      Low-dropout (LDO) linear voltage regulators - Quick Reference Guide

      Power management for handheld and portable

型号 Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
LDK320ADU120R
Active
SOT-89 工业 Ecopack2
LDK320ADU30R
Preview
SOT-89 工业 Ecopack2
LDK320ADU33R
Active
SOT-89 工业 Ecopack2
LDK320ADU50R
Active
SOT-89 工业 Ecopack2
LDK320AM-R
Active
SOT23-5L 工业 Ecopack2
LDK320AM120R
Active
SOT23-5L 工业 Ecopack2
LDK320AM12R
Preview
SOT23-5L 工业 Ecopack2
LDK320AM15R
Active
SOT23-5L 工业 Ecopack2
LDK320AM18R
Preview
SOT23-5L 工业 Ecopack2
LDK320AM25R
Active
SOT23-5L 工业 Ecopack2
LDK320AM30R
Active
SOT23-5L 工业 Ecopack2
LDK320AM33R
Active
SOT23-5L 工业 Ecopack2
LDK320AM36R
Active
SOT23-5L 工业 Ecopack2
LDK320AM50R
Active
SOT23-5L 工业 Ecopack2
LDK320AU50R
Active
SOT-89 工业 Ecopack2
LDK320M-R
Active
SOT23-5L 工业 Ecopack2
LDK320M120R
Preview
SOT23-5L 工业 Ecopack2
LDK320M12R
Preview
SOT23-5L 工业 Ecopack2
LDK320M15R
Preview
SOT23-5L 工业 Ecopack2
LDK320M18R
Active
SOT23-5L 工业 Ecopack2
LDK320M25R
Active
SOT23-5L 工业 Ecopack2
LDK320M30R
Active
SOT23-5L 工业