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LD1117V33 The STMicroelectronics LD1117V33 is a fixed 3.3V linear voltage regulator. It offers 800mA output current and is housed in a TO-220 package.
Mfr Part #:

LD1117V33

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD1117V33 is a fixed 3.3V linear voltage regulator. It offers 800mA output current and is housed in a TO-220 package.
✓ Total Stock: 17,957 pcs
$ Price Range: $0.28

LD1117V33 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
14,750 pcs
On Request
14750 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,196 pcs
On Request
3196 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
11 pcs
On Request
11 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.

LD1117V33 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Halogen Free
Lead Spacing
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LD1117V33 Description

Short technical summary and product information.

The STMicroelectronics LD1117V33 is a linear voltage regulator IC designed to provide a stable 3.3V output. It can supply up to 800mA of current, making it suitable for various power management applications. The device features built-in protection against over current and over temperature conditions, enhancing its reliability.

 

This regulator operates within a temperature range of 0°C to 125°C. It has a typical voltage dropout of 1.2V at 800mA and offers good power supply ripple rejection (PSRR) of 75dB at 120Hz. The output configuration is positive and fixed.

 

The LD1117V33 is packaged in a TO-220-3 configuration, designed for through-hole mounting. This package type is common for power components requiring adequate heat dissipation.

LD1117V33 Quick Information

Product Type: Linear Voltage Regulator
Series: LD1117
Canonical Name: STMicroelectronics LD1117V33 Linear Voltage Regulator
Subcategory: Linear

LD1117V33 Compliance

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

LD1117V33 Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD1117V33 Features

  • Fixed 3.3V positive output voltage.
  • Up to 800mA output current.
  • Over current and over temperature protection.
  • TO-220 package for through-hole mounting.
  • Wide operating temperature range.

LD1117V33 Applications

  • Powering microcontrollers and digital ICs.
  • Used in industrial control systems.
  • Suitable for consumer electronics power supplies.
  • Ideal for battery-powered devices.
  • Provides stable voltage for analog circuits.

LD1117V33 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD1117V33?

3.3V fixed.

What is the maximum output current?

800mA.

What is the dropout voltage?

1.2V typical at 800mA.

What is the operating temperature range?

0°C to 125°C.

What package is the LD1117V33 available in?

TO-220-3 (through-hole).

What protection features does it have?

Over current and over temperature protection.

What is the PSRR?

75dB at 120Hz.

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