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Power Circuits / Switching Regulator or Controllers / L4971
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L4971 by:

1.5A Switching Regulator

Part Details for L4971 by STMicroelectronics

Overview of L4971 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.

Price & Stock for L4971

Part # Distributor Description Stock Price Buy
DISTI # 79AH3804
Newark Buck Regulators Rohs Compliant: No |Stmicroelectronics L4971 Min Qty: 2000 Package Multiple: 1 Date Code: 0 Container: Bulk 0
  • 1 $1.9200
$1.9200 Buy Now
DISTI # 497-6697-5-ND
DigiKey IC REG BUCK ADJ 1.5A 8DIP Min Qty: 1 Lead time: 16 Weeks Container: Tube 1937
In Stock
  • 1 $3.5200
  • 10 $3.1610
  • 50 $2.9882
  • 100 $2.5897
  • 250 $2.4569
  • 500 $2.2046
  • 1,000 $1.8593
  • 2,500 $1.7663
  • 5,000 $1.6999
$1.6999 / $3.5200 Buy Now
DISTI # L4971
Avnet Americas Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP Tube - Rail/Tube (Alt: L4971) RoHS: Compliant Min Qty: 2000 Package Multiple: 2000 Lead time: 16 Weeks, 0 Days Container: Tube 0
  • 2,000 $1.9132
  • 4,000 $1.8737
  • 8,000 $1.8343
$1.8343 / $1.9132 Buy Now
DISTI # 511-L4971
Mouser Electronics Switching Voltage Regulators 3.3 to 50V Step-Down RoHS: Compliant 2109
  • 1 $3.0600
  • 10 $2.8000
  • 25 $2.3700
  • 100 $2.1600
  • 250 $2.0900
  • 500 $1.9500
  • 1,000 $1.7100
  • 2,000 $1.6400
  • 4,000 $1.6000
$1.6000 / $3.0600 Buy Now
DISTI # V36:1790_06548003
Arrow Electronics Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 8-Pin PDIP Tube RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 16 Weeks Date Code: 2322 Americas - 3996
  • 1 $2.6970
  • 10 $2.5100
  • 25 $2.1640
  • 100 $1.9860
  • 250 $1.9110
  • 500 $1.7850
  • 1,000 $1.5750
$1.5750 / $2.6970 Buy Now
DISTI # E02:0323_00208428
Arrow Electronics Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 8-Pin PDIP Tube RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 16 Weeks Date Code: 2346 Europe - 1400
  • 1 $2.6978
  • 10 $2.5079
  • 25 $2.1687
  • 100 $1.9930
  • 250 $1.9185
  • 500 $1.7949
  • 1,000 $1.5752
$1.5752 / $2.6978 Buy Now
STMicroelectronics 1.5A Switching Regulator RoHS: Compliant Min Qty: 1 2109
  • 1 $3.0000
  • 10 $2.7400
  • 25 $2.3200
  • 100 $2.1200
  • 250 $2.0500
  • 500 $1.9100
$1.9100 / $3.0000 Buy Now
Future Electronics L4971 Series 55 V 1.5 A Step Down Switching Regulator Through Hole - DIP-8 RoHS: Compliant pbFree: Yes Min Qty: 50 Package Multiple: 50 Container: Tube 1600
Tube
  • 50 $1.7900
  • 200 $1.7400
  • 500 $1.7000
  • 1,250 $1.6700
  • 2,000 $1.6200
$1.6200 / $1.7900 Buy Now
Future Electronics L4971 Series 55 V 1.5 A Step Down Switching Regulator Through Hole - DIP-8 RoHS: Compliant pbFree: Yes Min Qty: 2000 Package Multiple: 50 Container: Tube 0
Tube
  • 50 $1.9300
  • 150 $1.8800
  • 250 $1.8600
  • 500 $1.8200
  • 1,000 $1.7800
$1.7800 / $1.9300 Buy Now
Future Electronics L4971 Series 55 V 1.5 A Step Down Switching Regulator Through Hole - DIP-8 RoHS: Compliant pbFree: Yes Min Qty: 2000 Package Multiple: 50 Container: Tube 0
Tube
  • 50 $1.9300
  • 150 $1.8800
  • 250 $1.8600
  • 500 $1.8200
  • 1,000 $1.7800
$1.7800 / $1.9300 Buy Now
Future Electronics L4971 Series 55 V 1.5 A Step Down Switching Regulator Through Hole - DIP-8 RoHS: Compliant pbFree: Yes Min Qty: 2000 Package Multiple: 50 Container: Tube 0
Tube
  • 50 $1.7900
  • 200 $1.7400
  • 500 $1.7000
  • 1,250 $1.6700
  • 2,000 $1.6200
$1.6200 / $1.7900 Buy Now
DISTI # 69152370
Verical Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 8-Pin PDIP Tube RoHS: Compliant Min Qty: 4 Package Multiple: 1 Date Code: 2322 Americas - 3996
  • 4 $2.6970
  • 10 $2.5100
  • 25 $2.1640
  • 100 $1.9860
  • 250 $1.9110
  • 500 $1.7850
  • 1,000 $1.5750
$1.5750 / $2.6970 Buy Now
DISTI # 76844461
Verical Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 8-Pin PDIP Tube RoHS: Compliant Min Qty: 4 Package Multiple: 1 Date Code: 2346 Americas - 1400
  • 4 $2.6915
  • 10 $2.5020
  • 25 $2.1636
  • 100 $1.9883
  • 250 $1.9139
  • 500 $1.7907
  • 1,000 $1.5715
$1.5715 / $2.6915 Buy Now
DISTI # 2308743
Jameco Electronics Buck Switching Regulator IC Positive Adjustable 3v3 to 50V 1 Output 1500mA DIP-8 Min Qty: 1 Container: Each 385
  • 1 $1.7500
  • 10 $1.3900
$1.3900 / $1.7500 Buy Now
Quest Components Swithed-Mode Power Supply Controller, Voltage Mode Type, 8 Pin, Plastic, DIP 25
  • 1 $3.6900
  • 4 $2.4600
  • 11 $1.8450
$1.8450 / $3.6900 Buy Now
Quest Components Swithed-Mode Power Supply Controller, Voltage Mode Type, 8 Pin, Plastic, DIP 1200
  • 1 $3.6900
  • 440 $2.0295
  • 986 $1.8450
$1.8450 / $3.6900 Buy Now
Quest Components Swithed-Mode Power Supply Controller, Voltage Mode Type, 8 Pin, Plastic, DIP 36
  • 1 $3.6900
  • 9 $2.7060
  • 29 $2.4600
$2.4600 / $3.6900 Buy Now
DISTI # L4971
Avnet Americas Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP Tube - Rail/Tube (Alt: L4971) RoHS: Compliant Min Qty: 2000 Package Multiple: 2000 Lead time: 16 Weeks, 0 Days Container: Tube 0
  • 2,000 $1.9132
  • 4,000 $1.8737
  • 8,000 $1.8343
$1.8343 / $1.9132 Buy Now
DISTI # L4971
TME IC: driver, DC/DC converter, 3.3÷50VDC, 1.5A, DIP8, Topology: buck Min Qty: 1 207
  • 1 $3.7800
  • 3 $3.5500
  • 10 $3.0700
  • 50 $2.4200
$2.4200 / $3.7800 Buy Now
ComSIT USA 1.5 AMP STEP DOWN SWITCHING REGULATOR Switching Regulator, Voltage-mode, 3A, 300kHz Switching Freq-Max, BCDMOS, PDIP8 RoHS: Compliant Europe - 50
RFQ
DISTI # L4971
Avnet Silica Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP Tube (Alt: L4971) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 2 Weeks, 3 Days Silica - 8950
Buy Now
DISTI # 41S1018
Bürklin Elektronik IC Min Qty: 1 339
  • 1 $5.3398
  • 10 $4.6818
  • 100 $4.1208
  • 200 $3.9590
  • 1,000 $3.6354
$3.6354 / $5.3398 Buy Now
DISTI # L4971
EBV Elektronik Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP Tube (Alt: L4971) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 2 Weeks, 3 Days EBV - 600
Buy Now
DISTI # 2460725
Farnell DC/DC CONV, BUCK, 100KHZ, DIP-8 RoHS: Compliant Min Qty: 1 Lead time: 52 Weeks, 4 Days Container: Each 0
  • 1 $3.0130
  • 10 $2.2598
  • 100 $1.8455
  • 250 $1.6195
  • 500 $1.3935
$1.3935 / $3.0130 Buy Now
LCSC Step-down type Adjustable 3.3V50V 1.5A 8V55V DIP-8 DC-DC Converters ROHS 1
  • 1 $2.3187
  • 10 $2.0352
  • 30 $1.8577
  • 100 $1.6756
  • 500 $1.5936
  • 1,000 $1.5578
$1.5578 / $2.3187 Buy Now

Part Details for L4971

L4971 CAD Models

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L4971 Part Data Attributes:

Parametric Data
L4971 STMicroelectronics
Buy Now Datasheet
Compare Parts:
L4971 STMicroelectronics 1.5A Switching Regulator
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Part Package Code DIP
Package Description MINI, PLASTIC, DIP-8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 16 Weeks
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-PDIP-T8
JESD-609 Code e3
Number of Functions 1
Number of Terminals 8
Output Current-Max 3 A
Output Voltage-Nom 3.3 V
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP8,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Qualification Status Not Qualified
Seated Height-Max 5.08 mm
Supply Current-Max (Isup) 6 mA
Surface Mount NO
Switcher Configuration BUCK
Switching Frequency-Max 300 kHz
Technology BCDMOS
Terminal Finish Matte Tin (Sn) - annealed
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 7.62 mm

Alternate Parts for L4971

This table gives cross-reference parts and alternative options found for L4971. 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 L4971, 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
L4978 2A Step down switching regulator STMicroelectronics L4971 vs L4978

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