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LD59030DTPU12R The LD59030DTPU12R is a 1.2V fixed output, 300mA positive linear voltage regulator from STMicroelectronics. It features enable and soft start control, over temperature protection, and a low dropout voltage of 0.49V at 300mA.
Mfr Part #:

LD59030DTPU12R

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The LD59030DTPU12R is a 1.2V fixed output, 300mA positive linear voltage regulator from STMicroelectronics. It features enable and soft start control, over temperature protection, and a low dropout voltage of 0.49V at 300mA.
✓ Total Stock: 38,452 pcs
$ Price Range: $0.28

LD59030DTPU12R Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
23,452 pcs
On Request
23452 pcs On Request 1 On Request On Request 18+ On Request On Request
Fe Components ✓
Non-Authorised Inventory information
10,000 pcs
On Request
10000 pcs On Request 1 On Request On Request On Request On Request On Request
Flip Electronics ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LD59030DTPU12R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LD59030DTPU12R Description

Short technical summary and product information.

The LD59030DTPU12R is a fixed output, positive linear voltage regulator from STMicroelectronics designed to deliver a stable 1.2V output at up to 300mA. It operates with a maximum input voltage of 5.5V and features a low dropout voltage of 0.49V typical at full load, making it suitable for battery-powered and low-voltage applications.

 

The regulator includes enable and soft start control features for controlled power-up sequencing, and over temperature protection for reliable operation. It offers a power supply rejection ratio (PSRR) of 75dB at 1kHz, decreasing to 55dB at 100kHz, which helps attenuate input noise. The quiescent current is a low 40µA, contributing to system efficiency in standby or light-load conditions.

 

The device is available in a compact 4-DFN (1x1) or 4-XDFN exposed pad package, both supporting surface mount assembly. It is designed for operation over a junction temperature range of -40°C to 125°C, suitable for industrial and extended temperature environments.

LD59030DTPU12R Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LD59030DTPU12R
Subcategory: Positive Fixed Output

LD59030DTPU12R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LD59030DTPU12R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

LD59030DTPU12R Features

  • Fixed 1.2V output voltage.
  • 300mA output current capability.
  • Low dropout voltage of 0.49V at 300mA.
  • Enable and soft start control features.
  • Over temperature protection included.

LD59030DTPU12R Applications

  • Ideal for battery-powered portable devices.
  • Used in low-voltage microcontroller power supplies.
  • Suitable for noise-sensitive analog circuits.
  • Applicable in industrial control systems.

LD59030DTPU12R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD59030DTPU12R?

The LD59030DTPU12R has a fixed output voltage of 1.2V.

What is the maximum output current?

The maximum output current is 300mA.

What is the input voltage range?

The maximum input voltage is 5.5V.

What is the dropout voltage?

The typical dropout voltage is 0.49V at 300mA output current.

What is the operating temperature range?

The operating junction temperature range is -40°C to 125°C.

What package is the LD59030DTPU12R available in?

The LD59030DTPU12R is available in a 4-DFN (1x1) or 4-XDFN exposed pad package.

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