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  • The LD59030 high accuracy voltage regulator provides 300 mA of maximum current from an input voltage ranging from 1.5 V to 5.5 V, with a typical dropout voltage of 135 mV at VOUT = 3.3 V.

    It is available in DFN4 1x1 package, allowing the maximum space saving.
    The device works with a ceramic capacitor on the output. The ultra-low drop voltage, low quiescent current and low noise features, together with the internal soft-start circuit and output current fold-back protection, make the LD59030 suitable for low power battery-operated applications.
    An enable logic control function puts the LD59030 in shutdown mode allowing a total current consumption lower than 0.03 µA.

    Key Features

    • Input voltage from 1.5 to 5.5 V
    • Ultra low dropout voltage (135 mV typ. at 300 mA load)
    • Very low quiescent current (28 µA typ. at no load, 0.03 µA typ. in off mode)
    • Internal current fold-back
    • Output voltage tolerance: ± 1 % @ 25 °C
    • 300 mA guaranteed output current
    • High PSRR: 75 dB@1 kHz
    • Wide range of output voltages available on request: from 0.8 V up to 5.0 V in 50 mV step
    • Logic-controlled electronic shutdown
    • Internal soft-start
    • Optional output voltage discharge feature
    • Compatible with ceramic capacitor COUT = 0.47 µF
    • Thermal protection
    • Available in DFN4 1x1
    • Operating temperature range: -40 °C to 125 °C

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
LD59030DTPU105R
Preview
DFN4 1x1 Industrial Ecopack2
LD59030DTPU12R
Active
DFN4 1x1 Industrial Ecopack2
LD59030DTPU18R
Active
DFN4 1x1 Industrial Ecopack2
LD59030DTPU25R
Active
DFN4 1x1 Industrial Ecopack2
LD59030DTPU28R
Active
DFN4 1x1 Industrial Ecopack2
LD59030DTPU30R
Active
DFN4 1x1 Industrial Ecopack2
LD59030DTPU33R
Active
DFN4 1x1 Industrial Ecopack2

LD59030DTPU105R

Package:

DFN4 1x1

Material Declaration**:

Marketing Status

Preview

Package

DFN4 1x1

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LD59030DTPU12R

Package:

DFN4 1x1

Material Declaration**:

Marketing Status

Active

Package

DFN4 1x1

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LD59030DTPU18R

Package:

DFN4 1x1

Material Declaration**:

PDF XML

Marketing Status

Active

Package

DFN4 1x1

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LD59030DTPU25R

Package:

DFN4 1x1

Material Declaration**:

PDF XML

Marketing Status

Active

Package

DFN4 1x1

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LD59030DTPU28R

Package:

DFN4 1x1

Material Declaration**:

PDF XML

Marketing Status

Active

Package

DFN4 1x1

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LD59030DTPU30R

Package:

DFN4 1x1

Material Declaration**:

PDF XML

Marketing Status

Active

Package

DFN4 1x1

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LD59030DTPU33R

Package:

DFN4 1x1

Material Declaration**:

Marketing Status

Active

Package

DFN4 1x1

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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Temperature (°C) Output Voltage (V) (nom)
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min
max
LD59030DTPU18R Available at 2 distributors

Distributor availability ofLD59030DTPU18R

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Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4990 1 Order Now
AVNET AMERICA 5000 0 Order Now

Distributor reported inventory date: 2020-10-25

Distributor Name

DIGIKEY

Stock

4990

Min.Order

1

Region

WORLDWIDE Order Now

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5000

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0

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AMERICA Order Now

Distributor reported inventory date: 2020-10-25

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Active
EAR99 NEC Tape And Reel DFN4 1x1 -40 125 1.8 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

0.3

Unit Price (US$):

0.15

Country of Origin:

CHINA

LD59030DTPU28R Available at 1 distributors

Distributor availability ofLD59030DTPU28R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4795 1 Order Now

Distributor reported inventory date: 2020-10-24

Distributor Name

DIGIKEY

Stock

4795

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-24

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EAR99 NEC Tape And Reel DFN4 1x1 -40 125 2.8 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

0.3

Unit Price (US$):

0.15

Country of Origin:

CHINA

LD59030DTPU25R Available at 1 distributors

Distributor availability ofLD59030DTPU25R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4735 1 Order Now

Distributor reported inventory date: 2020-10-24

Distributor Name

DIGIKEY

Stock

4735

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-24

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel DFN4 1x1 -40 125 2.5 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

0.3

Unit Price (US$):

0.15

Country of Origin:

CHINA

LD59030DTPU30R Available at 2 distributors

Distributor availability ofLD59030DTPU30R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5000 1 Order Now
AVNET AMERICA 5000 0 Order Now

Distributor reported inventory date: 2020-10-25

Distributor Name

DIGIKEY

Stock

5000

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

5000

Min.Order

0

Region

AMERICA Order Now

Distributor reported inventory date: 2020-10-25

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Active
EAR99 NEC Tape And Reel DFN4 1x1 -40 125 3 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

0.3

Unit Price (US$):

0.15

Country of Origin:

CHINA

LD59030DTPU12R Available at 5 distributors

Distributor availability ofLD59030DTPU12R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4659 1 Order Now
AVNET AMERICA 5000 0 Order Now
FUTURE WORLDWIDE 5000 5000 Order Now
MOUSER WORLDWIDE 15000 1 Order Now
Farnell Element14 EUROPE 150 1 Order Now

Distributor reported inventory date: 2020-10-25

Distributor Name

DIGIKEY

Stock

4659

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

5000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

5000

Min.Order

5000

Region

WORLDWIDE Order Now

MOUSER

Stock

15000

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

150

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-10-25

Buy Direct
Active
EAR99 NEC Tape And Reel DFN4 1x1 -40 125 2.5 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

0.3

Unit Price (US$):

0.15

Country of Origin:

CHINA

LD59030DTPU33R Available at 2 distributors

Distributor availability ofLD59030DTPU33R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2923 1 Order Now
MOUSER WORLDWIDE 2294 1 Order Now

Distributor reported inventory date: 2020-10-25

Distributor Name

DIGIKEY

Stock

2923

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2294

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-25

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel DFN4 1x1 -40 125 3.3 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

0.3

Unit Price (US$):

0.15

Country of Origin:

CHINA

LD59030DTPU105R No availability of distributors reported, please contact our sales office
Preview
EAR99 NEC Tape And Reel DFN4 1x1 -40 125 1.2 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

0.3

Unit Price (US$):

0.15

Country of Origin:

CHINA

LD59030DTPU18R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLD59030DTPU18R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4990 1 Order Now
AVNET AMERICA 5000 0 Order Now

Distributor reported inventory date: 2020-10-25

Distributor Name

DIGIKEY

Stock

4990

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

5000

Min.Order

0

Region

AMERICA Order Now

Distributor reported inventory date: 2020-10-25

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

DFN4 1x1

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

1.8

Output Tolerance (typ)

1

Output Current (A) (nom)

0.3

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LD59030DTPU28R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLD59030DTPU28R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4795 1 Order Now

Distributor reported inventory date: 2020-10-24

Distributor Name

DIGIKEY

Stock

4795

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-24

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

DFN4 1x1

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

2.8

Output Tolerance (typ)

1

Output Current (A) (nom)

0.3

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LD59030DTPU25R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLD59030DTPU25R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4735 1 Order Now

Distributor reported inventory date: 2020-10-24

Distributor Name

DIGIKEY

Stock

4735

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-24

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

DFN4 1x1

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

2.5

Output Tolerance (typ)

1

Output Current (A) (nom)

0.3

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LD59030DTPU30R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLD59030DTPU30R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5000 1 Order Now
AVNET AMERICA 5000 0 Order Now

Distributor reported inventory date: 2020-10-25

Distributor Name

DIGIKEY

Stock

5000

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

5000

Min.Order

0

Region

AMERICA Order Now

Distributor reported inventory date: 2020-10-25

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

DFN4 1x1

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

3

Output Tolerance (typ)

1

Output Current (A) (nom)

0.3

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LD59030DTPU12R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLD59030DTPU12R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4659 1 Order Now
AVNET AMERICA 5000 0 Order Now
FUTURE WORLDWIDE 5000 5000 Order Now
MOUSER WORLDWIDE 15000 1 Order Now
Farnell Element14 EUROPE 150 1 Order Now

Distributor reported inventory date: 2020-10-25

Distributor Name

DIGIKEY

Stock

4659

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

5000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

5000

Min.Order

5000

Region

WORLDWIDE Order Now

MOUSER

Stock

15000

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

150

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-10-25

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

DFN4 1x1

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

2.5

Output Tolerance (typ)

1

Output Current (A) (nom)

0.3

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LD59030DTPU33R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLD59030DTPU33R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2923 1 Order Now
MOUSER WORLDWIDE 2294 1 Order Now

Distributor reported inventory date: 2020-10-25

Distributor Name

DIGIKEY

Stock

2923

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2294

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-10-25

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

DFN4 1x1

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

3.3

Output Tolerance (typ)

1

Output Current (A) (nom)

0.3

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LD59030DTPU105R

Marketing Status

Preview

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

DFN4 1x1

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

1.2

Output Tolerance (typ)

1

Output Current (A) (nom)

0.3

Budgetary Price (US$)* / Qty

0.15 / 1k

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