Product overview
Description
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.
-
All 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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All resources
| Resource title | Version | Latest update |
|---|
Product Specifications (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 8.0 | 08 Apr 2021 | 08 Apr 2021 |
Presentations (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 2.2 | 02 Aug 2023 | 02 Aug 2023 |
Flyers (2)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 19 Sep 2023 | 19 Sep 2023 | ||
| 1.0 | 05 Jul 2024 | 05 Jul 2024 |
Brochures (2)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 2.0 | 17 Jul 2024 | 17 Jul 2024 | ||
| 2.0 | 25 May 2023 | 25 May 2023 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - LD59030
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.
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Symbols
Footprints
3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| 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 | - | - |
Marketing Status
Package
DFN4 1x1
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
DFN4 1x1
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
DFN4 1x1
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
DFN4 1x1
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
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
| 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) | Operating Temperature (°C) (max) | Grade | Output Voltage (V) (nom) | Output Tolerance (typ) | Output Current (A) (nom) | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | ||||||||||||||||||||||||||||||||||||
| LD59030DTPU18R | Active | 0.1732 / 10k | Available at 1 distributors Distributor availability of LD59030DTPU18R
Distributor reported inventory date: 4/26/2025 | | | | Buy from Distributor | | DFN4 1x1 | Tape and Reel | CHINA | EAR99 | NEC | -40 | 125 | Industrial | 1.8 | 1 | 0.3 | ||||||||||||||||||
| LD59030DTPU28R | Active | 0.1732 / 1k | Available at distributors Distributor availability of LD59030DTPU28R
Distributor reported inventory date: | | | | Buy from Distributor | | DFN4 1x1 | Tape and Reel | CHINA | EAR99 | NEC | -40 | 125 | Industrial | 2.8 | 1 | 0.3 | ||||||||||||||||||
| LD59030DTPU25R | Active | 0.1732 / 1k | Available at distributors Distributor availability of LD59030DTPU25R
Distributor reported inventory date: | | | | Buy from Distributor | | DFN4 1x1 | Tape and Reel | CHINA | EAR99 | NEC | -40 | 125 | Industrial | 2.5 | 1 | 0.3 | ||||||||||||||||||
| LD59030DTPU30R | Active | 0.1732 / 1k | Available at 1 distributors Distributor availability of LD59030DTPU30R
Distributor reported inventory date: 4/26/2025 | | | | Buy from Distributor | | DFN4 1x1 | Tape and Reel | CHINA | EAR99 | NEC | -40 | 125 | Industrial | 3 | 1 | 0.3 | ||||||||||||||||||
| LD59030DTPU12R | Active | 0.1732 / 1k | Available at 2 distributors Distributor availability of LD59030DTPU12R
Distributor reported inventory date: 4/26/2025 | | | | Buy from Distributor | | DFN4 1x1 | Tape and Reel | CHINA | EAR99 | NEC | -40 | 125 | Industrial | 2.5 | 1 | 0.3 | ||||||||||||||||||
| LD59030DTPU33R | Active | 0.1732 / 1k | Available at 2 distributors Distributor availability of LD59030DTPU33R
Distributor reported inventory date: 4/26/2025 | | | | Buy from Distributor | | DFN4 1x1 | Tape and Reel | ITALY | EAR99 | NEC | -40 | 125 | Industrial | 3.3 | 1 | 0.3 | ||||||||||||||||||
LD59030DTPU18R Active
Part Number:
LD59030DTPU18R
Operating Temperature (°C)
Min:
-40
Max:
125
Grade:
Industrial
Output Voltage (V) (nom):
1.8
Output Tolerance (typ):
1
Output Current (A) (nom):
0.3
DIGIKEY
Stock
4850Min.Order
1Distributor reported inventory date: 4/26/2025
Stock
Min.Order
LD59030DTPU28R Active
Part Number:
LD59030DTPU28R
Operating Temperature (°C)
Min:
-40
Max:
125
Grade:
Industrial
Output Voltage (V) (nom):
2.8
Output Tolerance (typ):
1
Output Current (A) (nom):
0.3
Distributor reported inventory date:
Stock
Min.Order
LD59030DTPU25R Active
Part Number:
LD59030DTPU25R
Operating Temperature (°C)
Min:
-40
Max:
125
Grade:
Industrial
Output Voltage (V) (nom):
2.5
Output Tolerance (typ):
1
Output Current (A) (nom):
0.3
Distributor reported inventory date:
Stock
Min.Order
LD59030DTPU30R Active
Part Number:
LD59030DTPU30R
Operating Temperature (°C)
Min:
-40
Max:
125
Grade:
Industrial
Output Voltage (V) (nom):
3
Output Tolerance (typ):
1
Output Current (A) (nom):
0.3
DIGIKEY
Stock
585Min.Order
1Distributor reported inventory date: 4/26/2025
Stock
Min.Order
LD59030DTPU12R Active
Part Number:
LD59030DTPU12R
Operating Temperature (°C)
Min:
-40
Max:
125
Grade:
Industrial
Output Voltage (V) (nom):
2.5
Output Tolerance (typ):
1
Output Current (A) (nom):
0.3
MOUSER
Stock
13365Min.Order
1DIGIKEY
Stock
4671Min.Order
1Distributor reported inventory date: 4/26/2025
Stock
Min.Order
LD59030DTPU33R Active
Part Number:
LD59030DTPU33R
Operating Temperature (°C)
Min:
-40
Max:
125
Grade:
Industrial
Output Voltage (V) (nom):
3.3
Output Tolerance (typ):
1
Output Current (A) (nom):
0.3
MOUSER
Stock
3292Min.Order
1DIGIKEY
Stock
5072Min.Order
1Distributor reported inventory date: 4/26/2025
Stock
Min.Order
(*) 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