L4957AD3.3TR
- Mfr.Part #
- L4957AD3.3TR
- Manufacturer
- STMicroelectronics
- Package / Case
- TO-263-3, D2Pak (2 Leads + Tab), TO-263AB
- Datasheet
- Download
- Description
- IC REG LINEAR 3.3V 5A D2PAK
- Stock
- 19,945
- In Stock :
- 19,945
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Voltage Regulators - Linear
- Pin Count :
- 3
- Output Configuration :
- Positive
- Min Input Voltage :
- 3V
- Qualification Status :
- Not Qualified
- JESD-30 Code :
- R-PSSO-G3
- Voltage Tolerance-Max :
- 2%
- Package / Case :
- TO-263-3, D2Pak (2 Leads + Tab), TO-263AB
- Height Seated (Max) :
- 4.83mm
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- RoHS Status :
- ROHS3 Compliant
- Mounting Type :
- Surface Mount
- Mount :
- Surface Mount
- Current - Quiescent (Iq) :
- 2mA
- Dropout Voltage :
- 600mV
- Terminal Position :
- Single
- Operating Temperature :
- 0°C~125°C
- PSRR :
- 75dB (120Hz)
- Number of Functions :
- 1
- JESD-609 Code :
- e3
- Base Part Number :
- L4957
- Current - Output :
- 5A
- Packing Method :
- Tape and Reel
- Output Type :
- FIXED
- Terminal Pitch :
- 2.54mm
- Terminal Form :
- Gull wing
- Protection Features :
- Over Temperature, Short Circuit
- Packaging :
- Tape and Reel (TR)
- Reach Compliance Code :
- not_compliant
- Peak Reflow Temperature (Cel) :
- 245
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Number of Regulators :
- 1
- ECCN Code :
- EAR99
- Input Bias Current :
- 600μA
- Dropout Voltage1-Nom :
- 0.3V
- Number of Terminations :
- 3
- Output Voltage 1 :
- 3.3V
- Number of Outputs :
- 1
- Output Voltage :
- 3.3V
- Terminal Finish :
- Matte Tin (Sn)
- Voltage - Input (Max) :
- 14V
- Min Current Limit :
- 5.1A
- Datasheets
- L4957AD3.3TR
L4957AD3.3TR Documents

[Voltage Regulators - Linear] Overview
This STMicroelectronics L4957AD3.3TR is a high-performance linear voltage regulator designed to provide stable and reliable power delivery in various electronic applications. With a voltage output of 3.3V and a maximum current output of 5A, this IC is tailored for demanding industrial and commercial settings where precision and efficiency are paramount.
Featuring a robust D2PAK package, this voltage regulator ensures efficient heat dissipation, enabling continuous operation even in challenging environmental conditions. Its advanced design and stringent quality control make it an ideal choice for applications requiring consistent power delivery and long-term reliability.
L4957AD3.3TR Features
- High-performance linear voltage regulator
- Output voltage: 3.3V
- Maximum current output: 5A
- D2PAK package for efficient heat dissipation
- Wide application range in industrial and commercial settings
- Robust design for reliable operation
- Strict quality control for consistent performance
L4957AD3.3TR Applications
- Industrial automation systems: The L4957AD3.3TR provides stable power supply to control units, sensors, and actuators in manufacturing plants, ensuring uninterrupted operation and precise control.
- Telecommunication equipment: Utilized in communication infrastructure such as base stations and routers, this voltage regulator maintains steady voltage levels for optimal performance and reliability.
- Medical devices: Integrated into medical equipment like patient monitors and diagnostic devices, this IC guarantees consistent power delivery for accurate measurements and patient safety.
- Automotive electronics: From engine control modules to infotainment systems, this voltage regulator ensures reliable power supply for various automotive applications, enhancing performance and durability.
- Consumer electronics: Incorporated into devices like set-top boxes and home appliances, this IC delivers stable power for seamless operation and improved longevity.
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