L4957AD3.3 The STMicroelectronics L4957AD3.3 is a linear voltage regulator IC providing a fixed 3.3V output with a 5A current capability. It features a D2PAK surface mount package.
Mfr Part #:

L4957AD3.3

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L4957AD3.3 is a linear voltage regulator IC providing a fixed 3.3V output with a 5A current capability. It features a D2PAK surface mount package.
Total Stock: 492 pcs
$ Price Range: $0.30

L4957AD3.3 Available from 1 distributor

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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492 pcs
492 pcs On Request 1 On Request On Request 06+ On Request On Request

L4957AD3.3 Specifications Quick View

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

L4957AD3.3 Description

Short technical summary and product information.

The STMicroelectronics L4957AD3.3 is a linear voltage regulator designed for power management applications. It offers a fixed output voltage of 3.3V and can supply up to 5A of current.

 

This regulator IC operates with an input voltage up to 14V and features over temperature and short circuit protection. It has a quiescent current of 2mA and a PSRR of 75dB at 120Hz, making it suitable for noise-sensitive applications.

 

The L4957AD3.3 is housed in a D2PAK (TO-263-3) surface mount package, facilitating integration into compact designs. Its operating temperature range is from 0°C to 125°C.

 

Key electrical characteristics include a 3.3V fixed output, 5A output current, and 14V maximum input voltage. The device is designed for positive output configurations and includes essential protection features.

L4957AD3.3 Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: L4957AD3.3 Linear Voltage Regulator
Subcategory: Voltage Regulators - Linear

L4957AD3.3 Compliance

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

L4957AD3.3 Estimated Pricing

Qty Low High
1+ $0.30 $0.30

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

L4957AD3.3 Features

  • Fixed 3.3V positive output voltage.
  • Maximum output current of 5A.
  • Input voltage up to 14V.
  • Surface mount D2PAK package.
  • Over temperature and short circuit protection.

L4957AD3.3 Applications

  • Power management circuits.
  • Voltage regulation applications.
  • Systems requiring stable 3.3V.
  • High current linear regulation.

L4957AD3.3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the L4957AD3.3?

The L4957AD3.3 provides a fixed output voltage of 3.3V.

What is the maximum output current for the L4957AD3.3?

The maximum output current for the L4957AD3.3 is 5A.

What is the input voltage range for the L4957AD3.3?

The L4957AD3.3 has a maximum input voltage of 14V.

What type of package is the L4957AD3.3 in?

The L4957AD3.3 is available in a D2PAK package.

What are the protection features of the L4957AD3.3?

The L4957AD3.3 includes over temperature and short circuit protection features.

What is the operating temperature range for this regulator?

The operating temperature range for the L4957AD3.3 is 0°C to 125°C.

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