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.
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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
Featured Videos
All resources
| Resource title | Latest update |
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Product Specifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 12 Nov 2020 |
12 Nov 2020
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Selection Guides (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 04 Jan 2021 |
04 Jan 2021
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Brochures (2)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 15 Feb 2019 |
15 Feb 2019
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| 26 Feb 2020 |
26 Feb 2020
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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.
Symbols
Footprints
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 | |
| LDK320AM12R |
Preview
|
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 |
|
| LDK320M12R |
Preview
|
SOT23-5L | Industrial | Ecopack2 |
|
| LDK320M18R |
Active
|
SOT23-5L | Industrial | Ecopack2 |
|
| LDK320M25R |
Active
|
SOT23-5L | Industrial | Ecopack2 |
|
| LDK320M30R |
Active
|
SOT23-5L | Industrial | Ecopack2 | |
| LDK320M33R |
Active
|
SOT23-5L | Industrial | Ecopack2 | |
| LDK320M50R |
Active
|
SOT23-5L | Industrial | Ecopack2 |
LDK320ADU30R
Package:
SOT-89Material Declaration**:
LDK320ADU50R
Package:
SOT-89Material Declaration**:
LDK320AM12R
Package:
SOT23-5LMaterial Declaration**:
LDK320AM15R
Package:
SOT23-5LMaterial Declaration**:
LDK320AM18R
Package:
SOT23-5LMaterial Declaration**:
LDK320AM25R
Package:
SOT23-5LMaterial Declaration**:
LDK320AM36R
Package:
SOT23-5LMaterial Declaration**:
LDK320AU50R
Package:
SOT-89Material Declaration**:
LDK320M-R
Package:
SOT23-5LMaterial Declaration**:
LDK320M120R
Package:
SOT23-5LMaterial Declaration**:
LDK320M12R
Package:
SOT23-5LMaterial Declaration**:
LDK320M18R
Package:
SOT23-5LMaterial Declaration**:
LDK320M25R
Package:
SOT23-5LMaterial Declaration**:
(**) 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 | Order from Distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Output Voltage (V) (nom) | Output Tolerance (typ) | Output Current (A) (nom) | Country of Origin | Budgetary Price (US$)*/Qty | More info | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||||||
| LDK320AU50R | 3 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT-89 | -40 | 125 | 5 | 0.5 | 0.2 | CHINA | 0.296 / 1k | ||
| LDK320AM18R | No availability of distributors reported, please contact our sales office |
Preview
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 1.8 | 0.5 | 0.2 | MALAYSIA | 0.296 / 1k | |||
| LDK320M-R | 3 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | - | 2 | 0.2 | MALAYSIA | 0.296 / 1k | ||
| LDK320AM120R | 3 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 12 | 0.5 | 0.2 | MALAYSIA | 0.296 / 1k | ||
| LDK320M25R | 1 distributors |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 2.5 | 2 | 0.2 | MALAYSIA | 0.296 / 1k | |||
| LDK320M120R | No availability of distributors reported, please contact our sales office |
Preview
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 12 | 2 | 0.2 | MALAYSIA | 0.296 / 1k | |||
| LDK320AM50R | No availability of distributors reported, please contact our sales office |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 5 | 0.5 | 0.2 | MALAYSIA | 0.296 / 1k | |||
| LDK320AM25R | 3 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 2.5 | 0.5 | 0.2 | MALAYSIA | 0.296 / 1k | ||
| LDK320AM30R | No availability of distributors reported, please contact our sales office |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 3 | 0.5 | 0.2 | MALAYSIA | 0.296 / 1k | |||
| LDK320M33R | 4 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 3.3 | 2 | 0.2 | CHINA | 0.296 / 1k | ||
| LDK320AM15R | 2 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 1.5 | 0.5 | 0.2 | MALAYSIA | 0.296 / 1k | ||
| LDK320ADU30R | 4 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT-89 | -40 | 125 | 3 | 0.5 | 0.2 | CHINA | 0.296 / 1k | ||
| LDK320M12R | No availability of distributors reported, please contact our sales office |
Preview
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 1.2 | 2 | 0.2 | MALAYSIA | 0.296 / 1k | |||
| LDK320M50R | 3 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 5 | 2 | 0.2 | MALAYSIA | 0.296 / 1k | ||
| LDK320AM36R | 4 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 3.6 | 0.5 | 0.2 | MALAYSIA | 0.296 / 1k | ||
| LDK320AM12R | No availability of distributors reported, please contact our sales office |
Preview
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 1.2 | 0.5 | 0.2 | MALAYSIA | 0.296 / 1k | |||
| LDK320AM33R | 4 distributors |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 3.3 | 0.5 | 0.2 | CHINA | 0.296 / 1k | |||
| LDK320ADU50R | 3 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT-89 | -40 | 125 | 5 | 0.5 | 0.2 | CHINA | 0.296 / 1k | ||
| LDK320M30R | No availability of distributors reported, please contact our sales office |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 3 | 2 | 0.2 | MALAYSIA | 0.296 / 1k | |||
| LDK320ADU33R | 3 distributors |
Active
|
EAR99 | NEC | Tape And Reel | SOT-89 | -40 | 125 | 3.3 | 2 | 0.2 | CHINA | 0.296 / 1k | |||
| LDK320AM-R | No availability of distributors reported, please contact our sales office |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | - | 0.5 | 0.2 | MALAYSIA | 0.296 / 1k | |||
| LDK320ADU120R | 3 distributors |
Active
|
EAR99 | NEC | Tape And Reel | SOT-89 | -40 | 125 | 12 | 0.5 | 0.2 | CHINA | 0.296 / 1k | |||
| LDK320M18R | 1 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 125 | 1.8 | 2 | 0.2 | MALAYSIA | 0.296 / 1k | ||
Marketing Status
PreviewECCN (US)
EAR99Budgetary Price (US$)*/Qty
0.296 / 1kMarketing Status
ActiveECCN (US)
EAR99Budgetary Price (US$)*/Qty
0.296 / 1kMarketing Status
PreviewECCN (US)
EAR99Budgetary Price (US$)*/Qty
0.296 / 1kMarketing Status
ActiveECCN (US)
EAR99Budgetary Price (US$)*/Qty
0.296 / 1kMarketing Status
ActiveECCN (US)
EAR99Budgetary Price (US$)*/Qty
0.296 / 1k