Datasheets
L4974A by:

3.5 A switching regulator

Part Details for L4974A by STMicroelectronics

Overview of L4974A by STMicroelectronics

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Applications Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

Price & Stock for L4974A

Part # Distributor Description Stock Price Buy
DISTI # 24M4227
Newark Dc-Dc Switching Buck (Step Down) Regulator, Adjustable, 15V-50Vin, 5.1V-40Vout, 3.5Aout, Dip-20 Rohs Compliant: Yes |Stmicroelectronics L4974A Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk 0
Buy Now
DISTI # L4974A
Avnet Americas Conv DC-DC Single Step Down 15V to 50V 20-Pin Power PDIP - Rail/Tube (Alt: L4974A) RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Container: Tube 0
RFQ
STMicroelectronics 3.5 A switching regulator RoHS: Compliant Min Qty: 1 18
  • 1 $12.4300
  • 10 $11.4300
  • 25 $10.9600
  • 100 $9.6500
  • 250 $9.1800
  • 500 $8.9400
$8.9400 / $12.4300 Buy Now
Future Electronics L4974 Series 3.5 A Step Down Monolithic Power Switching Regulator - PowerDIP-20 RoHS: Compliant pbFree: Yes Min Qty: 200 Package Multiple: 20 Container: Tube 0
Tube
  • 20 $10.9300
  • 60 $10.8400
  • 100 $10.8000
  • 300 $10.7200
  • 500 $10.6400
$10.6400 / $10.9300 Buy Now
Future Electronics L4974 Series 3.5 A Step Down Monolithic Power Switching Regulator - PowerDIP-20 RoHS: Compliant pbFree: Yes Min Qty: 140 Package Multiple: 20 Container: Tube 0
Tube
  • 20 $10.9300
  • 60 $10.8400
  • 100 $10.8000
  • 300 $10.7200
  • 500 $10.6400
$10.6400 / $10.9300 Buy Now
Bristol Electronics   79
RFQ
Rochester Electronics L4974 - 3.5 A switching regulator RoHS: Compliant Status: Obsolete Min Qty: 1 12970
  • 1 $8.7300
  • 25 $8.5500
  • 100 $8.2000
  • 500 $7.8500
  • 1,000 $7.4200
$7.4200 / $8.7300 Buy Now
DISTI # L4974A
Avnet Americas Conv DC-DC Single Step Down 15V to 50V 20-Pin Power PDIP - Rail/Tube (Alt: L4974A) RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Container: Tube 0
RFQ
ComSIT USA 3.5A SWITCHING REGULATOR Switching Regulator, Voltage-mode, 5.5A, 200kHz Switching Freq-Max, BCDMOS, PDIP20 RoHS: Compliant Europe - 512
RFQ
Chip 1 Exchange INSTOCK 984
RFQ
Chip1Cloud IC REG BUCK ADJ 3.5A 20DIP 4340
RFQ
DISTI # 1094220
element14 Asia-Pacific IC, SWITCHING REG 3.5A, 4974, DIP20 RoHS: Compliant Min Qty: 1 Container: Each 0
  • 1 $14.8110
  • 10 $13.2913
  • 25 $12.8391
  • 50 $12.3795
  • 100 $11.4826
  • 250 $10.9933
$10.9933 / $14.8110 Buy Now
DISTI # 1094220
Farnell IC, SWITCHING REG 3.5A, 4974, DIP20 RoHS: Compliant Min Qty: 1 Lead time: 51 Weeks, 1 Days Container: Each 0
  • 1 $13.2256
  • 10 $11.0046
$11.0046 / $13.2256 Buy Now

Part Details for L4974A

L4974A CAD Models

L4974A Part Data Attributes:

L4974A STMicroelectronics
Buy Now Datasheet
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L4974A STMicroelectronics 3.5 A switching regulator
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer STMICROELECTRONICS
Part Package Code DIP
Package Description POWER, PLASTIC, DIP-20
Pin Count 20
Reach Compliance Code not_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 50 V
Input Voltage-Min 15 V
Input Voltage-Nom 35 V
JESD-30 Code R-PDIP-T20
JESD-609 Code e3
Number of Functions 1
Number of Terminals 20
Output Current-Max 5.5 A
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP20,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Qualification Status Not Qualified
Seated Height-Max 5.1 mm
Surface Mount NO
Switcher Configuration BUCK
Switching Frequency-Max 200 kHz
Technology BCDMOS
Terminal Finish TIN
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Width 7.62 mm

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