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Power Circuits / Switching Regulator or Controllers / L4978
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L4978 by:

2A Step down switching regulator

Part Details for L4978 by STMicroelectronics

Overview of L4978 by STMicroelectronics

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Applications Energy and Power Systems Renewable Energy Automotive

Price & Stock for L4978

Part # Distributor Description Stock Price Buy
DISTI # 25M9042
Newark Dc/Dc Conv, Buck, 300Khz, 150Deg C, Regulator Output Type:Adjustable, No. Of Outputs:1Outputs, Topology:Buck (Step Down), Input Voltage Min:8V, Input Voltage Max:55V, Output Current:2A, Ic Case/Package:Dip, No. Of Pins:8Pins Rohs Compliant: Yes |Stmicroelectronics L4978 Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk 2901
  • 1 $2.6100
  • 10 $2.6100
  • 25 $2.6100
  • 50 $2.6100
  • 100 $2.4100
  • 250 $2.4100
  • 500 $2.4100
$2.4100 / $2.6100 Buy Now
DISTI # 497-6701-5-ND
DigiKey IC REG BUCK ADJ 2A 8DIP Min Qty: 1 Lead time: 16 Weeks Container: Tube 1558
In Stock
  • 1 $2.8100
  • 10 $2.5260
  • 50 $2.3882
  • 100 $2.0697
  • 250 $1.9636
  • 500 $1.8686
$1.8686 / $2.8100 Buy Now
DISTI # L4978
Avnet Americas Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP - Rail/Tube (Alt: L4978) RoHS: Compliant Min Qty: 2000 Package Multiple: 2000 Lead time: 16 Weeks, 0 Days Container: Tube 0
  • 2,000 $2.1751
  • 4,000 $2.1302
  • 8,000 $2.0854
$2.0854 / $2.1751 Buy Now
DISTI # 25M9042
Avnet Americas Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP - Bulk (Alt: 25M9042) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 18 Weeks, 3 Days Container: Bulk 8 Partner Stock
  • 1 $4.1000
  • 10 $3.8800
  • 25 $3.7200
  • 50 $3.5900
  • 100 $3.4400
$3.4400 / $4.1000 Buy Now
DISTI # 511-L4978
Mouser Electronics Switching Voltage Regulators 3.3 to 50V Step-Down RoHS: Compliant 1889
  • 1 $2.7200
  • 10 $2.5300
  • 25 $2.3900
  • 100 $2.0700
  • 250 $1.9700
  • 500 $1.8700
  • 2,000 $1.8600
$1.8600 / $2.7200 Buy Now
STMicroelectronics 2A Step down switching regulator RoHS: Compliant Min Qty: 1 1889
  • 1 $2.9700
  • 10 $2.7900
  • 25 $2.6700
  • 100 $2.4200
  • 250 $2.3400
  • 500 $2.1800
$2.1800 / $2.9700 Buy Now
Future Electronics PDIP 08 .3 CU .25 AU W. RoHS: Compliant pbFree: Yes Min Qty: 500 Package Multiple: 50 Container: Tube 0
Tube
  • 1 $2.2900
  • 30 $2.2200
  • 100 $2.1600
  • 200 $2.1200
  • 500 $2.0200
$2.0200 / $2.2900 Buy Now
Future Electronics PDIP 08 .3 CU .25 AU W. RoHS: Compliant pbFree: Yes Min Qty: 500 Package Multiple: 50 Container: Tube 0
Tube
  • 1 $2.2900
  • 30 $2.2200
  • 100 $2.1600
  • 200 $2.1200
  • 500 $2.0200
$2.0200 / $2.2900 Buy Now
Bristol Electronics   375
RFQ
Bristol Electronics   150
RFQ
Quest Components SWITCHING REGULATOR, VOLTAGE-MODE, 3.5A, 300KHZ SWITCHING FREQ-MAX, BCDMOS, PDIP8 50
  • 1 $4.3425
  • 3 $2.8950
  • 10 $2.1713
$2.1713 / $4.3425 Buy Now
Quest Components SWITCHING REGULATOR, VOLTAGE-MODE, 3.5A, 300KHZ SWITCHING FREQ-MAX, BCDMOS, PDIP8 120
  • 1 $4.3425
  • 25 $2.8950
  • 87 $2.6779
$2.6779 / $4.3425 Buy Now
Quest Components SWITCHING REGULATOR, VOLTAGE-MODE, 3.5A, 300KHZ SWITCHING FREQ-MAX, BCDMOS, PDIP8 300
  • 1 $5.1900
  • 21 $3.4600
  • 73 $3.2005
$3.2005 / $5.1900 Buy Now
DISTI # L4978
TME IC: driver, DC/DC converter, 3.3÷50VDC, 2A, DIP8, Topology: buck Min Qty: 1 276
  • 1 $4.5700
  • 3 $4.1100
  • 10 $3.6300
  • 50 $3.2600
$3.2600 / $4.5700 Buy Now
DISTI # L4978
Avnet Silica Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP (Alt: L4978) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 17 Weeks, 0 Days Silica - 700
Buy Now
DISTI # L4978
EBV Elektronik Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP (Alt: L4978) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 17 Weeks, 0 Days EBV - 0
Buy Now
Win Source Electronics IC REG BUCK ADJ 2A 8DIP 86393
  • 30 $1.7810
  • 70 $1.4610
  • 110 $1.4160
  • 150 $1.3700
  • 190 $1.3240
  • 255 $1.1870
$1.1870 / $1.7810 Buy Now

Part Details for L4978

L4978 CAD Models

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L4978 Part Data Attributes:

Parametric Data
L4978 STMicroelectronics
Buy Now Datasheet
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L4978 STMicroelectronics 2A Step down 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 18 Weeks, 3 Days
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 3.5 A
Output Voltage-Nom 3.36 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

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