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Power Circuits / Linear Regulator ICs / L4940D2T5-TR
Datasheets
L4940D2T5-TR by:
STMicroelectronics
Honest Han
STMicroelectronics
Not Found

1.5 A very low drop voltage regulator IC

Part Details for L4940D2T5-TR by STMicroelectronics

Results Overview of L4940D2T5-TR by STMicroelectronics

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L4940D2T5-TR Information

L4940D2T5-TR by STMicroelectronics is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for L4940D2T5-TR

Part # Distributor Description Stock Price Buy
DISTI # 69AH0683
Newark Ldo, Fixed, 5V, -40 To 150Deg C Rohs Compliant: Yes |Stmicroelectronics L4940D2T5-TR RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Cut Tape 452
  • 1 $2.0800
  • 10 $1.6000
$1.6000 / $2.0800 Buy Now
DISTI # 45Y5613
Newark Ldo Voltage Regulator, 5V, To-263-3, Output Type:Fixed, Input Voltage Min:-, Input Voltage Max:17... V, Fixed Output Voltage Nom.:5V, Adjustable Output Voltage Min:-, Adjustable Output Voltage Max:-, Output Current:-, Dropout Voltage Rohs Compliant: Yes |Stmicroelectronics L4940D2T5-TR more RoHS: Compliant Min Qty: 1000 Package Multiple: 1 Date Code: 1 Container: Reel 0
  • 1,000 $1.2000
  • 2,000 $1.1900
  • 4,000 $1.1700
  • 6,000 $1.1600
  • 10,000 $1.1200
$1.1200 / $1.2000 Buy Now
DISTI # 497-1166-1-ND
DigiKey IC REG LINEAR 5V 1.5A D2PAK Min Qty: 1 Lead time: 8 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 1162
In Stock
  • 1 $1.8100
  • 10 $1.3270
  • 25 $1.2076
  • 100 $1.0757
  • 250 $1.0130
  • 500 $0.9751
  • 1,000 $0.9439
  • 2,000 $0.9183
  • 3,000 $0.9054
  • 5,000 $0.8912
  • 7,000 $0.8829
  • 10,000 $0.8749
$0.8749 / $1.8100 Buy Now
DISTI # L4940D2T5-TR
Avnet Americas LDO Regulator Pos 5V 1.5A 3-Pin(2+Tab) D2PAK T/R - Tape and Reel (Alt: L4940D2T5-TR) RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 8 Weeks, 0 Days Container: Reel 0
  • 1,000 $0.7619
  • 2,000 $0.7571
  • 4,000 $0.7431
  • 6,000 $0.7296
  • 8,000 $0.7166
$0.7166 / $0.7619 Buy Now
DISTI # 511-L4940D2T5-TR
Mouser Electronics LDO Voltage Regulators 5.0V 1.5A Positive RoHS: Compliant 2739
  • 1 $1.8100
  • 10 $1.3300
  • 25 $1.2100
  • 100 $1.0800
  • 250 $1.0200
  • 500 $0.9750
  • 1,000 $0.9430
  • 2,000 $0.8970
  • 5,000 $0.8910
$0.8910 / $1.8100 Buy Now
DISTI # E02:0323_00208270
Arrow Electronics LDO Regulator Pos 5V 1.5A 3-Pin(2+Tab) D2PAK T/R Min Qty: 1000 Package Multiple: 1000 Lead time: 8 Weeks Date Code: 2452 Europe - 2000
  • 1,000 $2.0407
$2.0407 Buy Now
STMicroelectronics 1.5 A very low drop voltage regulator IC RoHS: Compliant Min Qty: 1 2633
  • 1 $1.7700
  • 10 $1.3000
  • 25 $1.1900
  • 100 $1.0600
  • 250 $1.0000
  • 500 $0.9600
$0.9600 / $1.7700 Buy Now
Future Electronics L4940 Series 5 V 1.5 A SMT Fixed Very Low Drop Voltage Regulator - D2PAK RoHS: Compliant pbFree: Yes Min Qty: 1000 Package Multiple: 1000 Lead time: 8 Weeks Container: Reel 2000
Reel
  • 1,000 $0.8100
  • 2,000 $0.7950
  • 3,000 $0.7900
  • 4,000 $0.7850
  • 5,000 $0.7700
$0.7700 / $0.8100 Buy Now
Future Electronics L4940 Series 5 V 1.5 A SMT Fixed Very Low Drop Voltage Regulator - D2PAK RoHS: Compliant pbFree: Yes Min Qty: 2000 Package Multiple: 1000 Lead time: 8 Weeks Container: Reel 0
Reel
  • 1,000 $0.8100
  • 2,000 $0.7950
  • 3,000 $0.7900
  • 4,000 $0.7850
  • 5,000 $0.7700
$0.7700 / $0.8100 Buy Now
DISTI # 87901222
Verical LDO Regulator Pos 5V 1.5A 3-Pin(2+Tab) D2PAK T/R Min Qty: 1000 Package Multiple: 1000 Date Code: 2452 Americas - 2000
  • 1,000 $1.2104
$1.2104 Buy Now
DISTI # L4940D2T5-TR
TME IC: voltage regulator, LDO,linear,fixed, 5V, 1.5A, D2PAK, SMD, Ch: 1 Min Qty: 1 850
  • 1 $1.2900
  • 10 $1.0000
  • 100 $0.8400
  • 250 $0.8200
  • 500 $0.7600
  • 1,000 $0.7000
  • 2,000 $0.6400
  • 3,000 $0.6100
$0.6100 / $1.2900 Buy Now
Ameya Holding Limited L4940 Series 5 V 1.5 A SMT Fixed Very Low Drop Voltage Regulator - D2PAK 781
RFQ
DISTI # L4940D2T5-TR
Avnet Silica LDO Regulator Pos 5V 15A 3Pin2Tab D2PAK TR (Alt: L4940D2T5-TR) RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 9 Weeks, 0 Days Silica - 7000
Buy Now
Component Electronics, Inc IN STOCK SHIP TODAY 13
  • 1 $1.5400
  • 100 $1.1500
  • 1,000 $1.0000
$1.0000 / $1.5400 Buy Now
DISTI # L4940D2T5-TR
EBV Elektronik LDO Regulator Pos 5V 15A 3Pin2Tab D2PAK TR (Alt: L4940D2T5-TR) RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 9 Weeks, 0 Days EBV - 0
Buy Now
LCSC 68dB(120Hz) 1.5A Fixed 5V Positive electrode 17V D2PAK Voltage Regulators - Linear Low Drop Out (LDO... ) Regulators ROHS more 614
  • 1 $1.1172
  • 10 $0.9195
  • 30 $0.8097
  • 100 $0.6877
  • 500 $0.6320
  • 1,000 $0.6073
$0.6073 / $1.1172 Buy Now
Vyrian Regulators 1864
RFQ

Part Details for L4940D2T5-TR

L4940D2T5-TR CAD Models

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L4940D2T5-TR Part Data Attributes

Parametric Data
L4940D2T5-TR STMicroelectronics
Buy Now Datasheet
Compare Parts:
L4940D2T5-TR STMicroelectronics 1.5 A very low drop voltage regulator IC
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Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Part Package Code D2PAK
Package Description ROHS COMPLIANT, D2PAK-3
Pin Count 3
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 8 Weeks
Samacsys Manufacturer STMicroelectronics
Adjustability FIXED
Dropout Voltage1-Max 0.9 V
Dropout Voltage1-Nom 0.5 V
Input Voltage Absolute-Max 30 V
Input Voltage-Max 17 V
Input Voltage-Min 6 V
JESD-30 Code R-PSSO-G2
JESD-609 Code e3
Length 10.2 mm
Line Regulation-Max 0.01%
Load Regulation-Max 0.025%
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 2
Operating Temperature TJ-Max 150 °C
Operating Temperature TJ-Min -40 °C
Output Current1-Max 1.5 A
Output Voltage1-Max 5.2 V
Output Voltage1-Min 4.8 V
Output Voltage1-Nom 5 V
Package Body Material PLASTIC/EPOXY
Package Code TO-263
Package Equivalence Code SMSIP3H,.55TB
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) 245
Qualification Status Not Qualified
Regulator Type FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max 4.83 mm
Surface Mount YES
Technology BIPOLAR
Terminal Finish Matte Tin (Sn) - annealed
Terminal Form GULL WING
Terminal Pitch 2.54 mm
Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 30
Voltage Tolerance-Max 4%
Width 9.15 mm

L4940D2T5-TR Related Parts

L4940D2T5-TR Frequently Asked Questions (FAQ)

  • A good PCB layout for optimal thermal performance involves placing the L4940D2T5-TR near a thermal pad or a heat sink, and ensuring good airflow around the device. The PCB should also have a solid ground plane to help dissipate heat.

  • To ensure stable output voltage regulation, it's essential to follow the recommended capacitor values and types, as well as the suggested PCB layout. Additionally, the input voltage should be within the recommended range, and the output should not be overloaded.

  • The maximum ambient temperature for reliable operation of the L4940D2T5-TR is 125°C. However, it's recommended to derate the device's performance at higher temperatures to ensure long-term reliability.

  • Yes, the L4940D2T5-TR is designed to withstand moderate vibration levels. However, it's essential to ensure that the device is properly secured to the PCB and that the PCB is rigid enough to withstand the vibration.

  • To protect the L4940D2T5-TR from overvoltage and undervoltage conditions, it's recommended to use a voltage supervisor or a voltage monitor IC to detect and respond to abnormal voltage conditions.