LDK320

Active
Design Win Education

200 mA low quiescent current and high PSRR voltage regulator

Download datasheet Order Direct

Product overview

Description

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.

  • All features

    • 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

EDA Symbols, Footprints and 3D Models

STMicroelectronics - LDK320

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Please select one model supplier :

Symbols

Symbols

Footprints

Footprints

3D model

3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
LDK320ADU120R
Active
SOT-89 Industrial Ecopack2
LDK320ADU30R
Active
SOT-89 Industrial Ecopack2
LDK320ADU33R
Active
SOT-89 Industrial Ecopack2
LDK320ADU50R
Active
SOT-89 Industrial Ecopack2
LDK320AM-R
Active
SOT23-5L Industrial Ecopack2
LDK320AM120R
Active
SOT23-5L Industrial Ecopack2
LDK320AM15R
Active
SOT23-5L Industrial Ecopack2
LDK320AM18R
Preview
SOT23-5L Industrial Ecopack2
LDK320AM25R
Active
SOT23-5L Industrial Ecopack2
LDK320AM30R
Active
SOT23-5L Industrial Ecopack2
LDK320AM33R
Active
SOT23-5L Industrial Ecopack2
LDK320AM36R
Active
SOT23-5L Industrial Ecopack2
LDK320AM50R
Active
SOT23-5L Industrial Ecopack2
LDK320AU50R
Active
SOT-89 Industrial Ecopack2
LDK320M-R
Active
SOT23-5L Industrial Ecopack2 (**)
LDK320M120R
Preview
SOT23-5L Industrial Ecopack2
LDK320M18R
Active
SOT23-5L Industrial Ecopack3
LDK320M25R
Active
SOT23-5L Industrial Ecopack3
LDK320M30R
Active
SOT23-5L Industrial Ecopack3
LDK320M33R
Active
SOT23-5L Industrial Ecopack2
LDK320M50R
Active
SOT23-5L Industrial Ecopack2 (**)

LDK320ADU120R

Package:

SOT-89

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-89

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320ADU30R

Package:

SOT-89

Material Declaration**:

Marketing Status

Active

Package

SOT-89

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320ADU33R

Package:

SOT-89

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-89

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320ADU50R

Package:

SOT-89

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-89

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320AM-R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320AM120R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320AM15R

Package:

SOT23-5L

Material Declaration**:

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320AM18R

Package:

SOT23-5L

Material Declaration**:

Marketing Status

Preview

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320AM25R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320AM30R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320AM33R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320AM36R

Package:

SOT23-5L

Material Declaration**:

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320AM50R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320AU50R

Package:

SOT-89

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-89

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320M-R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2 (**)

LDK320M120R

Package:

SOT23-5L

Material Declaration**:

Marketing Status

Preview

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320M18R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack3

LDK320M25R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack3

LDK320M30R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack3

LDK320M33R

Package:

SOT23-5L

Material Declaration**:

Marketing Status

Active

Package

SOT23-5L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

LDK320M50R

Package:

SOT23-5L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-5L

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

Swipe or click the button to explore more details Don't show this again
Part Number
Marketing Status
Budgetary Price (US$)*/Qty
Order from ST
Order from distributors
Package
Packing Type
RoHS
Country of Origin
ECCN (US)
ECCN (EU)
Operating temperature (°C)
Grade
Output Voltage (V) (nom)
Output Tolerance (typ)
Output Current (A) (nom)
min
max
LDK320AU50R
Available at distributors

Distributor availability of LDK320AU50R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320AM18R
Available at distributors

Distributor availability of LDK320AM18R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320M-R
Available at distributors

Distributor availability of LDK320M-R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320AM120R
Available at distributors

Distributor availability of LDK320AM120R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320M25R
Available at distributors

Distributor availability of LDK320M25R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320M120R
Available at distributors

Distributor availability of LDK320M120R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320AM50R
Available at distributors

Distributor availability of LDK320AM50R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320AM25R
Available at distributors

Distributor availability of LDK320AM25R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320AM30R
Available at distributors

Distributor availability of LDK320AM30R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320M33R
Available at distributors

Distributor availability of LDK320M33R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320AM15R
Available at distributors

Distributor availability of LDK320AM15R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320ADU30R
Available at distributors

Distributor availability of LDK320ADU30R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320M50R
Available at distributors

Distributor availability of LDK320M50R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320AM36R
Available at distributors

Distributor availability of LDK320AM36R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320AM33R
Available at distributors

Distributor availability of LDK320AM33R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320ADU50R
Available at distributors

Distributor availability of LDK320ADU50R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320M30R
Available at distributors

Distributor availability of LDK320M30R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320ADU33R
Available at distributors

Distributor availability of LDK320ADU33R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320AM-R
Available at distributors

Distributor availability of LDK320AM-R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320ADU120R
Available at distributors

Distributor availability of LDK320ADU120R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320M18R
Available at distributors

Distributor availability of LDK320M18R

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office

LDK320AU50R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320AU50R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

5

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320AM18R Preview

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320AM18R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

1.8

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

LDK320M-R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320M-R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

-

Output Tolerance (typ):

2

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320AM120R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320AM120R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

12

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320M25R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320M25R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

2.5

Output Tolerance (typ):

2

Output Current (A) (nom):

0.2

LDK320M120R Preview

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320M120R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

12

Output Tolerance (typ):

2

Output Current (A) (nom):

0.2

LDK320AM50R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320AM50R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

5

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320AM25R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320AM25R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

2.5

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320AM30R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320AM30R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

3

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320M33R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320M33R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

3.3

Output Tolerance (typ):

2

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320AM15R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320AM15R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

1.5

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

LDK320ADU30R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320ADU30R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

3

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320M50R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320M50R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

5

Output Tolerance (typ):

2

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320AM36R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320AM36R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

3.6

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320AM33R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320AM33R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

3.3

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320ADU50R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320ADU50R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

5

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320M30R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320M30R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

3

Output Tolerance (typ):

2

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320ADU33R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320ADU33R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

3.3

Output Tolerance (typ):

2

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320AM-R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320AM-R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

-

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320ADU120R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320ADU120R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

12

Output Tolerance (typ):

0.5

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

LDK320M18R Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

LDK320M18R

Operating Temperature (°C)

Min:

Max:

Grade:

Industrial

Output Voltage (V) (nom):

1.8

Output Tolerance (typ):

2

Output Current (A) (nom):

0.2

Distributor Name

Distributor reported inventory date:

Swipe or click the button to explore more details Don't show this again

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