1.5 A adjustable and fixed low drop positive voltage regulator

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  • The LD1086 is a low drop voltage regulator capable of providing up to 1.5 A of output current. Dropout is guaranteed at a maximum of 1.2 V at the maximum output current, decreasing at lower loads. The LD1086 is pin-to-pin compatible with older 3-terminal adjustable regulators, but has better performance in terms of drop and output tolerance. Unlike PNP regulators, where a part of the output current is wasted as quiescent current, the LD1086 quiescent current flows into the load, increasing efficiency. Only a 10 μF (minimum) capacitor is needed for stability. The device is available in a TO-220, D²PAK, D²PAK/A, DPAK or DFN8 (4x4) package. On-chip trimming allows the regulator to reach a very tight output voltage tolerance; within ± 1% at 25 °C. The LD1086 is available as automotive grade for adjustable output voltages in the TO-220 and DPAK packages. The PAT, SYL, SBL statistical tests have been performed, and the devices are qualified according to the AEC-Q100 specification for the automotive market in the temperature range of - 40 °C to 125 °C.

    Key Features

    • Typical dropout: 1.3 V at 1.5 A
    • Three-terminal adjustable or fixed output voltage: 1.8 V, 2.5 V, 3.3 V, 5 V, 12 V
    • Automotive grade (adjustable VOUT in TO-220 and DPAK packages only)
    • Output current guaranteed up to 1.5 A
    • Output tolerance: ± 1% at 25 °C and ± 2% in full temperature range
    • Internal power and thermal limit
    • Wide operating temperature range - 40 °C to 125 °C
    • Package available: TO-220, D²PAK, D²PAK/A, DPAK and DFN8 (4x4)
    • Pinout compatibility with standard adjustable voltage regulators

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LD1086DT33TR DPAK Tape And Reel -40 125
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LD1086D2T50TR D2PAK Tape And Reel -40 125
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LD1086D2MTR D2PAK Tape And Reel -40 125
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LD1086VY TO-220 Tube -40 125
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LD1086BD2TTR D2PAK Tape And Reel -40 125
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LD1086D2M33TR D2PAK Tape And Reel -40 125
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LD1086BV-DG TO-220 Tube -40 125
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LD1086DTTR DPAK Tape And Reel -40 125
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LD1086DT33TR

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EAR99

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LD1086D2T50TR

Package

D2PAK

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Operating Temperature (°C)

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-40

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125

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Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086DT50TR

Package

DPAK

Packing Type

Tape And Reel

Unit Price (US$)

0.343*

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(min)

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(max)

125

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10000

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EAR99

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LD1086DT18TR

Package

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Packing Type

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(min)

-40

(max)

125

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0.343

Quantity

10000

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LD1086BDTTR

Package

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(min)

-40

(max)

125

Marketing Status

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Unit Price (US$)

0.476

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086DTTRY

Package

DPAK

Packing Type

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Unit Price (US$)

0.481*

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Region

WORLDWIDE Order Now

MOUSER

Stock

1984

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.481

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086D2T33TR

Package

D2PAK

Packing Type

Tape And Reel

Unit Price (US$)

0.426*

Distributor availability ofLD1086D2T33TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 8738 1 Order Now
RS COMPONENTS EUROPE 4335 5 Order Now
FUTURE WORLDWIDE 2500 1 Order Now
ARROW EUROPE 1000 0 Order Now
ARROW AMERICA 4000 1000 Order Now
MOUSER WORLDWIDE 4234 1 Order Now
Farnell Element14 EUROPE 820 1 Order Now
RUTRONIK EUROPE 2000 1000 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

DIGIKEY

Stock

8738

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

4335

Min.Order

5

Region

EUROPE Order Now

FUTURE

Stock

2500

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

1000

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

4000

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

4234

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

820

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

2000

Min.Order

1000

Region

EUROPE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.426

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086PUR

Package

DFN8 4x4

Packing Type

Tape And Reel

Unit Price (US$)

0.628*

Distributor availability ofLD1086PUR

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 4295 1 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

MOUSER

Stock

4295

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.628

Quantity

10000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LD1086D2MTR

Package

D2PAK

Packing Type

Tape And Reel

Unit Price (US$)

0.426*

Distributor availability ofLD1086D2MTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2912 1 Order Now
AVNET AMERICA 70 0 Order Now
FUTURE WORLDWIDE 2000 1000 Order Now
ARROW EUROPE 6000 0 Order Now
ARROW AMERICA 1000 1000 Order Now
MOUSER WORLDWIDE 3320 1 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

DIGIKEY

Stock

2912

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

70

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

2000

Min.Order

1000

Region

WORLDWIDE Order Now

ARROW

Stock

6000

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

1000

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

3320

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.426

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086VY

Package

TO-220

Packing Type

Tube

Unit Price (US$)

0.481*

Distributor availability ofLD1086VY

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 1400 0 Order Now
MOUSER WORLDWIDE 2338 1 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

ARROW

Stock

1400

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

2338

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

NRND

Unit Price (US$)

0.481

Quantity

10000

ECCN (US)

EAR99

Country of Origin

-

LD1086BD2TTR

Package

D2PAK

Packing Type

Tape And Reel

Unit Price (US$)

*

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Preview

Unit Price (US$)

-

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

LD1086V18-DG

Package

TO-220

Packing Type

Tube

Unit Price (US$)

0.518*

Distributor availability ofLD1086V18-DG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1379 1 Order Now
Newark Element14 AMERICA 217 0 Order Now
MOUSER WORLDWIDE 2211 1 Order Now
Farnell Element14 EUROPE 1304 1 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

DIGIKEY

Stock

1379

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

217

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

2211

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1304

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.518

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086BD2MTR

Package

D2PAK

Packing Type

Tape And Reel

Unit Price (US$)

*

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Preview

Unit Price (US$)

-

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

LD1086D2TTR

Package

D2PAK

Packing Type

Tape And Reel

Unit Price (US$)

0.426*

Distributor availability ofLD1086D2TTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3259 1 Order Now
ARROW EUROPE 1000 0 Order Now
ARROW AMERICA 1000 1000 Order Now
MOUSER WORLDWIDE 2590 1 Order Now
Farnell Element14 EUROPE 1997 1 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

DIGIKEY

Stock

3259

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

1000

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

1000

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

2590

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1997

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.426

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086D2M33TR

Package

D2PAK

Packing Type

Tape And Reel

Unit Price (US$)

0.426*

Distributor availability ofLD1086D2M33TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4350 1 Order Now
RS COMPONENTS EUROPE 1860 10 Order Now
FUTURE WORLDWIDE 30197 1 Order Now
ARROW EUROPE 2000 0 Order Now
Newark Element14 AMERICA 346 0 Order Now
ARROW AMERICA 34000 1000 Order Now
MOUSER WORLDWIDE 7969 1 Order Now
Farnell Element14 EUROPE 1409 1 Order Now
RUTRONIK EUROPE 1000 1000 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

DIGIKEY

Stock

4350

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1860

Min.Order

10

Region

EUROPE Order Now

FUTURE

Stock

30197

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

2000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

346

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

34000

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

7969

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1409

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

1000

Min.Order

1000

Region

EUROPE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.426

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086BV-DG

Package

TO-220

Packing Type

Tube

Unit Price (US$)

0.654*

Distributor availability ofLD1086BV-DG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 850 1 Order Now
ARROW AMERICA 1900 1000 Order Now
MOUSER WORLDWIDE 701 1 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

DIGIKEY

Stock

850

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

1900

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

701

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.654

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086V-DG

Package

TO-220

Packing Type

Tube

Unit Price (US$)

0.529*

Distributor availability ofLD1086V-DG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2513 1 Order Now
ARROW EUROPE 1300 0 Order Now
MOUSER WORLDWIDE 2048 1 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

DIGIKEY

Stock

2513

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

1300

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

2048

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.529

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086DTTR

Package

DPAK

Packing Type

Tape And Reel

Unit Price (US$)

0.343*

Distributor availability ofLD1086DTTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 7576 1 Order Now
AVNET AMERICA 115000 0 Order Now
FUTURE WORLDWIDE 22500 2500 Order Now
ARROW EUROPE 37500 0 Order Now
ARROW AMERICA 2 1 Order Now
MOUSER WORLDWIDE 3896 1 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

DIGIKEY

Stock

7576

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

115000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

22500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

37500

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

2

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

3896

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.343

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086D2T18TR

Package

D2PAK

Packing Type

Tape And Reel

Unit Price (US$)

0.457*

Distributor availability ofLD1086D2T18TR

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 425 1 Order Now
ARROW EUROPE 2000 0 Order Now
MOUSER WORLDWIDE 1128 1 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

RS COMPONENTS

Stock

425

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

2000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

1128

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.457

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

LD1086V33-DG

Package

TO-220

Packing Type

Tube

Unit Price (US$)

0.518*

Distributor availability ofLD1086V33-DG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 847 1 Order Now
FUTURE WORLDWIDE 2900 50 Order Now
ARROW EUROPE 7081 0 Order Now
Newark Element14 AMERICA 119 0 Order Now
MOUSER WORLDWIDE 2721 1 Order Now
Farnell Element14 EUROPE 987 1 Order Now

Distributor reported inventory date: 2019-07-22

Distributor Name

DIGIKEY

Stock

847

Min.Order

1

Region

WORLDWIDE Order Now

FUTURE

Stock

2900

Min.Order

50

Region

WORLDWIDE Order Now

ARROW

Stock

7081

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

119

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

2721

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

987

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-07-22

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.518

Quantity

10000

ECCN (US)

EAR99

Country of Origin

CHINA

(*) 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

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Technical Documentation

    • Description Version Size Action
      DS1759
      1.5 A adjustable and fixed low drop positive voltage regulator
      36.0
      1.06 MB
      PDF
      DS1759

      1.5 A adjustable and fixed low drop positive voltage regulator

Publications and Collaterals

    • Description Version Size Action
      Linear and Switching Voltage Regulators Selection Guide 3.0
      370.88 KB
      PDF

      Linear and Switching Voltage Regulators Selection Guide

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
LD1086BD2MTR
Preview
D2PAK Industrial Ecopack2
LD1086BD2TTR
Preview
D2PAK Industrial Ecopack2
LD1086BDTTR
Active
DPAK Industrial Ecopack2 (**)
LD1086BV-DG
Active
TO-220 Industrial Ecopack1
LD1086D2M33TR
Active
D2PAK Industrial Ecopack2
LD1086D2MTR
Active
D2PAK Industrial Ecopack2
LD1086D2T18TR
Active
D2PAK Industrial Ecopack2
LD1086D2T33TR
Active
D2PAK Industrial Ecopack2
LD1086D2T50TR
Active
D2PAK Industrial Ecopack2
LD1086D2TTR
Active
D2PAK Industrial Ecopack2
LD1086DT18TR
Active
DPAK Industrial Ecopack2
LD1086DT33TR
Active
DPAK Industrial Ecopack2
LD1086DT50TR
Active
DPAK Industrial Ecopack2
LD1086DTTR
Active
DPAK Industrial Ecopack2
LD1086DTTRY
Active
DPAK Automotive Ecopack1
LD1086PUR
Active
DFN8 4x4 Industrial Ecopack2
LD1086V-DG
Active
TO-220 Industrial Ecopack1
LD1086V18-DG
Active
TO-220 Industrial Ecopack1
LD1086V33-DG
Active
TO-220 Industrial Ecopack1
LD1086VY
NRND
TO-220 Automotive