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LD39100PU12RY The STMicroelectronics LD39100PU12RY is a linear voltage regulator with a fixed 1.2V output and a 1A current capability. It is designed for surface mount applications.
Mfr Part #:

LD39100PU12RY

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD39100PU12RY is a linear voltage regulator with a fixed 1.2V output and a 1A current capability. It is designed for surface mount applications.
✓ Total Stock: 16,813 pcs
$ Price Range: $0.28

LD39100PU12RY Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
8,000 pcs
On Request
8000 pcs On Request 1 On Request On Request 21+ On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Fe Components ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
1,813 pcs
On Request
1813 pcs On Request 1 On Request On Request 20+ 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.

LD39100PU12RY Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
SVHC Present
Supplier Device Package
Tape & Reel
Voltage
Voltage Dropout (Max)
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LD39100PU12RY Description

Short technical summary and product information.

The STMicroelectronics LD39100PU12RY is a linear voltage regulator designed for power management applications. It provides a fixed output voltage of 1.2V and can deliver up to 1A of current. The device operates within a wide temperature range of -40°C to 125°C, making it suitable for various environmental conditions.

 

Key electrical characteristics include a maximum input voltage of 5.5V, a low quiescent current of 50 µA, and a maximum voltage dropout of 0.4V at 1A. It also features power good and enable control functions, along with over-current, over-temperature, and short-circuit protection.

 

The regulator is housed in a compact 6-DFN exposed pad package, designed for surface mounting. This packaging is suitable for applications where space is a constraint and efficient thermal management is required. The device is also available in Tape & Reel or Cut Tape packaging options.

 

Environmental compliance includes RoHS3 compliance, an MSL of 1, and REACH unaffected status. These attributes are important for manufacturers adhering to regulatory standards in their product designs.

LD39100PU12RY Quick Information

Product Type: Voltage Regulator
Series: AEC-Q100
Canonical Name: LD39100PU12RY Voltage Regulator
Subcategory: Linear

LD39100PU12RY Compliance

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

LD39100PU12RY Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD39100PU12RY Features

  • Fixed 1.2V positive output voltage.
  • 1A maximum output current capability.
  • Low quiescent current of 50 µA.
  • Wide operating temperature range: -40°C to 125°C.
  • Surface mount 6-DFN exposed pad package.

LD39100PU12RY Applications

  • Suitable for automotive applications.
  • Ideal for power management circuits.
  • Used in compact electronic devices.
  • Provides stable voltage regulation.
  • Supports systems requiring low quiescent current.

LD39100PU12RY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range?

The maximum input voltage is 5.5V.

What is the output voltage?

The output voltage is fixed at 1.2V.

What is the maximum output current?

The output current is rated at 1A nominal.

What is the quiescent current?

The quiescent current is 50µA typical.

What package is available?

The device is offered in a 6-VDFN Exposed Pad package, surface mount.

What is the operating temperature range?

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

What protection features does it include?

Over current, over temperature, and short circuit protection.

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