Datasheets
L4973D3.3 by: STMicroelectronics

3.5 A step down switching regulator

Part Details for L4973D3.3 by STMicroelectronics

Overview of L4973D3.3 by STMicroelectronics

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

Price & Stock for L4973D3.3

Part # Distributor Description Stock Price Buy
DISTI # 38Y7864
Newark Dc-Dc Switching Buck (Step Down) Regulator, Adjustable, 8V-55Vin, 500Mv-50Vout, 3.5Aout, Soic-20 Rohs Compliant: Yes |Stmicroelectronics L4973D3.3 Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 0
  • 1 $5.6900
  • 10 $5.1100
  • 25 $4.8300
  • 50 $4.5100
  • 100 $4.1900
  • 250 $3.9700
$3.9700 / $5.6900 Buy Now
STMicroelectronics 3.5 A step down switching regulator RoHS: Compliant Min Qty: 1 3522
  • 1 $5.6400
  • 10 $5.0600
  • 25 $4.7800
  • 100 $4.1500
  • 250 $3.9300
  • 500 $3.5300
$3.5300 / $5.6400 Buy Now
Future Electronics L4973 Series 3.5 A Step Down Monolithic Power Switching Regulator - SOIC-20 RoHS: Compliant pbFree: Yes Min Qty: 1000 Package Multiple: 40 Container: Tube 0
Tube
  • 40 $3.1400
  • 120 $3.0600
  • 200 $3.0300
  • 800 $2.9300
  • 1,200 $2.8600
$2.8600 / $3.1400 Buy Now
Quest Components Swithed-Mode Power Supply Controller, Voltage Mode Type, 20 Pin, Plastic, SOP 20
  • 1 $8.0325
  • 2 $5.3550
  • 6 $4.0163
$4.0163 / $8.0325 Buy Now
Ameya Holding Limited IC: driver, buck, DC/DC converter, SO20, 3.5A, 0.5÷50V, Channels: 1 4801
RFQ
Chip 1 Exchange INSTOCK 13
RFQ
LCSC SO-20-300mil DC-DC Converters ROHS 71
  • 1 $5.5075
  • 10 $4.8914
  • 30 $4.3245
  • 100 $4.0098
$4.0098 / $5.5075 Buy Now

Part Details for L4973D3.3

L4973D3.3 CAD Models

L4973D3.3 Part Data Attributes:

L4973D3.3 STMicroelectronics
Buy Now Datasheet
Compare Parts:
L4973D3.3 STMicroelectronics 3.5 A step down switching regulator
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer STMICROELECTRONICS
Part Package Code SOIC
Package Description LEAD FREE, SOP-20
Pin Count 20
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer STMicroelectronics
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 55 V
Input Voltage-Min 8 V
Input Voltage-Nom 24 V
JESD-30 Code R-PDSO-G20
JESD-609 Code e4
Length 12.8 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Terminals 20
Output Current-Max 5.5 A
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP20,.4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 250
Qualification Status Not Qualified
Seated Height-Max 2.65 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 300 kHz
Technology BCDMOS
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 7.5 mm

Alternate Parts for L4973D3.3

This table gives cross-reference parts and alternative options found for L4973D3.3. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of L4973D3.3, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
HIP6004ACB-T Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max, PDSO20, PACKAGE-20 Rochester Electronics LLC L4973D3.3 vs HIP6004ACB-T
HIP6301VCB-T SWITCHING CONTROLLER, 1500kHz SWITCHING FREQ-MAX, PDSO20, PLASTIC, MS-013AC, SOIC-20 Intersil Corporation L4973D3.3 vs HIP6301VCB-T
HIP6015CB Switching Controller, Voltage-mode, 0.35A, 1000kHz Switching Freq-Max, PDSO20 Harris Semiconductor L4973D3.3 vs HIP6015CB
IRU3011CWPBF SWITCHING CONTROLLER, 250kHz SWITCHING FREQ-MAX, PDSO20, PLASTIC, SOIC-20 Infineon Technologies AG L4973D3.3 vs IRU3011CWPBF
HIP6004BCBZ Buck and Synchronous-Rectifier (PWM) Controller and Output Voltage Monitor HIP6004B; SOIC20, TSSOP20; Temp Range: 0° to 70° Intersil Corporation L4973D3.3 vs HIP6004BCBZ
HIP6004BCB Switching Controller, Voltage-mode, 0.3A, 1000kHz Switching Freq-Max, PDSO20 Harris Semiconductor L4973D3.3 vs HIP6004BCB
HIP6015CB SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO20, PLASTIC, MS-013AC, SOIC-20 Intersil Corporation L4973D3.3 vs HIP6015CB
HIP6004ACB Switching Controller, Voltage-mode, 0.3A, 1000kHz Switching Freq-Max, PDSO20 Harris Semiconductor L4973D3.3 vs HIP6004ACB
IRU3011CWPBF Switching Controller, 250kHz Switching Freq-Max, PDSO20, PLASTIC, SOIC-20 International Rectifier L4973D3.3 vs IRU3011CWPBF
IRU3005CW Switching Controller, Voltage-mode, 250kHz Switching Freq-Max, PDSO20, PLASTIC, SOIC-20 International Rectifier L4973D3.3 vs IRU3005CW

L4973D3.3 Related Parts

Share by Email

Something went wrong!
Please enter a valid e-mail address
Email sent!
Recipient Email:
Add a recipient
Hello!

We are passing along some cool findings on Findchips sent to you from .

The data is for L4973D3.3 by STMicroelectronics.
They’ve also added a data comparison to this page with by .


Click on the link below to check it out on Findchips.com.

Update Alert Settings for: L4973D3.3 by STMicroelectronics

  • Please alert me when L4973D3.3 inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for the following L4973D3.3 alternates:
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.
No pricing information is available at this time
  • Please alert me when the single part price for L4973D3.3 to
    $
    for at least parts from one of my selected distributors.
    Your Pricing Alert is set to expire on .
    Set this alert to expire in Update this alert to expire · Expired on
  • Also alert me for the following L4973D3.3 alternates:
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.

Your part alert has been saved!

Alerts are triggered based off of individual distributors that you choose. Select your distributor(s) below.

Your part alert has been saved!

Register
Password Guidelines

Is at least 8 characters in length

Must include at least 3 of the following:

One lower-case character (a-z)

One upper-case character (A-Z)

One numeric character (0-9)

One special character (!#$%^&*)

Alert is successfully saved for L4973D3.3.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.

Compare L4973D3.3 by STMicroelectronics

Select a part to compare:
Part Number Manufacturer Description
No result found.
Something went wrong!
Or search for a different part: