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LD1117DT50CTR Linear voltage regulator with fixed 5V output, 800mA current capability, in DPAK package. Manufactured by STMicroelectronics.
Mfr Part #:

LD1117DT50CTR

Available from 5 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
Linear voltage regulator with fixed 5V output, 800mA current capability, in DPAK package. Manufactured by STMicroelectronics.
✓ Total Stock: 62,173 pcs
$ Price Range: $0.28

LD1117DT50CTR Available from 5 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
37,500 pcs
On Request
37500 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Fe Components ✓
Non-Authorised Inventory information
20,000 pcs
On Request
20000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,667 pcs
On Request
3667 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
6 pcs
On Request
6 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 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.

LD1117DT50CTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
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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LD1117DT50CTR Description

Short technical summary and product information.

The LD1117DT50CTR is a linear voltage regulator from STMicroelectronics that provides a fixed 5V output. It is capable of delivering up to 800mA of output current. The device operates with an input voltage of 15V and features a maximum dropout voltage of 1.3V at 800mA load. With a power supply rejection ratio (PSRR) of 75 dB at 120 Hz, it offers good noise rejection for sensitive applications.

 

The regulator is designed for use in a wide range of applications, including point-of-load regulation, battery-powered devices, and industrial control systems. It is stable with low ESR ceramic capacitors, simplifying the external component selection. The operating temperature range spans from -40°C to 125°C, making it suitable for harsh environments.

 

The LD1117DT50CTR is housed in a DPAK (TO-252) surface mount package, which provides adequate thermal performance for moderate power dissipation. The fixed output voltage eliminates the need for external feedback resistors, reducing board space and component count.

LD1117DT50CTR Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: STMicroelectronics LD1117DT50CTR Linear Voltage Regulator, 5V Fixed Output, 800mA
Subcategory: Fixed Output Linear Regulator

LD1117DT50CTR Compliance

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

LD1117DT50CTR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD1117DT50CTR Features

  • Fixed 5V output voltage.
  • Output current up to 800mA.
  • Dropout voltage 1.3V maximum at 800mA.
  • Power supply rejection ratio 75 dB at 120Hz.
  • Operating temperature range -40°C to 125°C.

LD1117DT50CTR Applications

  • Used in point-of-load regulation.
  • Suitable for battery-powered devices.
  • Ideal for industrial control systems.
  • Applicable in consumer electronics power supplies.

LD1117DT50CTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD1117DT50CTR?

The output voltage is fixed at 5V.

What is the maximum output current?

800mA.

What is the dropout voltage?

1.3V maximum at 800mA load.

What is the operating temperature range?

-40°C to 125°C.

What package is the LD1117DT50CTR available in?

DPAK (TO-252) surface mount package.

Is the output voltage fixed or adjustable?

Fixed output.

What is the power supply rejection ratio (PSRR)?

75 dB typical at 120 Hz.

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