LDL1117

Active

1.2 A High PSRR low dropout linear voltage regulator

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Product overview

Description

The LDL1117 provides 1.2 A of maximum current with an input voltage range from 2.5 V to 18 V, and a typical dropout voltage of 350 mV @ 1.2 A. The high power supply rejection ratio of 87 dB at 120 Hz, rolling down to more than 40 dB at 100 kHz, makes the LDL1117 suitable for direct regulations in SMPS and secondary linear regulations in DC-DC converters.
This device includes current limit, SOA and thermal protections.
  • All features

    • Input voltage from 2.5 V to 18 V
    • 20 V AMR
    • Available on fixed output voltages: 1.2 V (1.185 V), 1.5 V, 1.8 V, 2.5 V, 3 V, 3.3 V, 5.0 V (other options are available on request)
    • Guaranteed output current 1.2 A
    • Typical dropout 350 mV @ 1.2 A
    • Internal thermal, current and power limitation
    • High PSRR 87 dB @ 120 Hz
    • Operating temperature range: -40 °C to 125°C
    • Package SOT223

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Related Applications

Industrial

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STMicroelectronics - LDL1117

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
LDL1117S12R
Active
SOT-223 Industrial Ecopack2
LDL1117S15R
Active
SOT-223 Industrial Ecopack2
LDL1117S18R
Active
SOT-223 Industrial Ecopack2
LDL1117S25R
Active
SOT-223 Industrial Ecopack2
LDL1117S30R
Active
SOT-223 Industrial Ecopack2
LDL1117S33R
Active
SOT-223 Industrial Ecopack2
LDL1117S50R
Active
SOT-223 Industrial Ecopack2

LDL1117S12R

Package:

SOT-223

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-223

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDL1117S15R

Package:

SOT-223

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-223

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDL1117S18R

Package:

SOT-223

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-223

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDL1117S25R

Package:

SOT-223

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-223

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDL1117S30R

Package:

SOT-223

Material Declaration**:

Marketing Status

Active

Package

SOT-223

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDL1117S33R

Package:

SOT-223

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-223

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDL1117S50R

Package:

SOT-223

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-223

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

Part Number
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ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Output Voltage (V) (nom)
Budgetary Price (US$)*/Qty
More info
min
max
LDL1117S50R Available at 6 distributors

Distributor availability ofLDL1117S50R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 24801 1 Order Now
RS COMPONENTS EUROPE 6800 1 Order Now
FUTURE WORLDWIDE 5000 2500 Order Now
Newark Element14 AMERICA 485 0 Order Now
MOUSER WORLDWIDE 11089 1 Order Now
Farnell Element14 EUROPE 4516 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

24801

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

6800

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

5000

Min.Order

2500

Region

WORLDWIDE Order Now

Newark Element14

Stock

485

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

11089

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

4516

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-11

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel SOT-223 -40 125 3 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

1.2

Unit Price (US$):

0.15

Country of Origin:

CHINA

LDL1117S15R Available at 4 distributors

Distributor availability ofLDL1117S15R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6991 1 Order Now
RS COMPONENTS EUROPE 4600 1 Order Now
AVNET AMERICA 5000 0 Order Now
Farnell Element14 EUROPE 236 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

6991

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

4600

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

5000

Min.Order

0

Region

AMERICA Order Now

Farnell Element14

Stock

236

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-11

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel SOT-223 -40 125 1.5 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

1.2

Unit Price (US$):

0.15

Country of Origin:

CHINA

LDL1117S33R Available at 3 distributors

Distributor availability ofLDL1117S33R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 40014 1 Order Now
RS COMPONENTS EUROPE 5300 25 Order Now
Farnell Element14 EUROPE 5635 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

40014

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5300

Min.Order

25

Region

EUROPE Order Now

Farnell Element14

Stock

5635

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-11

Active
EAR99 NEC Tape And Reel SOT-223 -40 125 3.3 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

1.2

Unit Price (US$):

0.15

Country of Origin:

CHINA

LDL1117S30R Available at 7 distributors

Distributor availability ofLDL1117S30R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 9558 1 Order Now
RS COMPONENTS EUROPE 2740 1 Order Now
AVNET AMERICA 10000 0 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
Newark Element14 AMERICA 48 0 Order Now
MOUSER WORLDWIDE 4355 1 Order Now
Farnell Element14 EUROPE 9106 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

9558

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

2740

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

10000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

Newark Element14

Stock

48

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

4355

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

9106

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-11

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel SOT-223 -40 125 3 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

1.2

Unit Price (US$):

0.15

Country of Origin:

CHINA

LDL1117S12R Available at 3 distributors

Distributor availability ofLDL1117S12R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1680 1 Order Now
RS COMPONENTS EUROPE 4940 1 Order Now
AVNET AMERICA 10000 0 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

1680

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

4940

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

10000

Min.Order

0

Region

AMERICA Order Now

Distributor reported inventory date: 2021-05-11

Active
EAR99 NEC Tape And Reel SOT-223 -40 125 1.185 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

1.2

Unit Price (US$):

0.15

Country of Origin:

CHINA

LDL1117S25R Available at 5 distributors

Distributor availability ofLDL1117S25R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 643 1 Order Now
RS COMPONENTS EUROPE 3880 1 Order Now
AVNET AMERICA 2500 0 Order Now
MOUSER WORLDWIDE 11734 1 Order Now
Farnell Element14 EUROPE 3580 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

643

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3880

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

2500

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

11734

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

3580

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-11

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel SOT-223 -40 125 2.5 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

1.2

Unit Price (US$):

0.15

Country of Origin:

CHINA

LDL1117S18R Available at 3 distributors

Distributor availability ofLDL1117S18R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 73 1 Order Now
RS COMPONENTS EUROPE 4720 1 Order Now
MOUSER WORLDWIDE 435 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

73

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

4720

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

435

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2021-05-11

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel SOT-223 -40 125 1.8 0.15 / 1k
MORE INFO

Output Tolerance (typ):

1

Output Current (A) (nom):

1.2

Unit Price (US$):

0.15

Country of Origin:

CHINA

LDL1117S50R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLDL1117S50R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 24801 1 Order Now
RS COMPONENTS EUROPE 6800 1 Order Now
FUTURE WORLDWIDE 5000 2500 Order Now
Newark Element14 AMERICA 485 0 Order Now
MOUSER WORLDWIDE 11089 1 Order Now
Farnell Element14 EUROPE 4516 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

24801

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

6800

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

5000

Min.Order

2500

Region

WORLDWIDE Order Now

Newark Element14

Stock

485

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

11089

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

4516

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-11

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SOT-223

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

3

Output Tolerance (typ)

1

Output Current (A) (nom)

1.2

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LDL1117S15R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLDL1117S15R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6991 1 Order Now
RS COMPONENTS EUROPE 4600 1 Order Now
AVNET AMERICA 5000 0 Order Now
Farnell Element14 EUROPE 236 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

6991

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

4600

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

5000

Min.Order

0

Region

AMERICA Order Now

Farnell Element14

Stock

236

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-11

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SOT-223

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

1.5

Output Tolerance (typ)

1

Output Current (A) (nom)

1.2

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LDL1117S33R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLDL1117S33R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 40014 1 Order Now
RS COMPONENTS EUROPE 5300 25 Order Now
Farnell Element14 EUROPE 5635 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

40014

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5300

Min.Order

25

Region

EUROPE Order Now

Farnell Element14

Stock

5635

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-11

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SOT-223

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

3.3

Output Tolerance (typ)

1

Output Current (A) (nom)

1.2

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LDL1117S30R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLDL1117S30R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 9558 1 Order Now
RS COMPONENTS EUROPE 2740 1 Order Now
AVNET AMERICA 10000 0 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
Newark Element14 AMERICA 48 0 Order Now
MOUSER WORLDWIDE 4355 1 Order Now
Farnell Element14 EUROPE 9106 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

9558

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

2740

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

10000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

Newark Element14

Stock

48

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

4355

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

9106

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-11

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SOT-223

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

3

Output Tolerance (typ)

1

Output Current (A) (nom)

1.2

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LDL1117S12R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLDL1117S12R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1680 1 Order Now
RS COMPONENTS EUROPE 4940 1 Order Now
AVNET AMERICA 10000 0 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

1680

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

4940

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

10000

Min.Order

0

Region

AMERICA Order Now

Distributor reported inventory date: 2021-05-11

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SOT-223

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

1.185

Output Tolerance (typ)

1

Output Current (A) (nom)

1.2

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LDL1117S25R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLDL1117S25R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 643 1 Order Now
RS COMPONENTS EUROPE 3880 1 Order Now
AVNET AMERICA 2500 0 Order Now
MOUSER WORLDWIDE 11734 1 Order Now
Farnell Element14 EUROPE 3580 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

643

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3880

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

2500

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

11734

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

3580

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-11

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SOT-223

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

2.5

Output Tolerance (typ)

1

Output Current (A) (nom)

1.2

Budgetary Price (US$)* / Qty

0.15 / 1k

Country of Origin

CHINA

LDL1117S18R

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.15 / 1k

Distributor availability ofLDL1117S18R

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 73 1 Order Now
RS COMPONENTS EUROPE 4720 1 Order Now
MOUSER WORLDWIDE 435 1 Order Now

Distributor reported inventory date: 2021-05-11

Distributor Name

DIGIKEY

Stock

73

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

4720

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

435

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2021-05-11

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SOT-223

Operating Temperature (°C)

(min)

-40

(max)

125

Output Voltage (V) (nom)

1.8

Output Tolerance (typ)

1

Output Current (A) (nom)

1.2

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