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Power Circuits / Switching Regulator or Controllers / L4978D
Datasheets
L4978D by:

2A Step down switching regulator

Part Details for L4978D by STMicroelectronics

Overview of L4978D by STMicroelectronics

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Applications Energy and Power Systems Renewable Energy Automotive

Price & Stock for L4978D

Part # Distributor Description Stock Price Buy
DISTI # 25M9043
Newark Dc/Dc Conv, Buck, 300Khz, 150Deg C, No. Of Outputs:1Outputs, Topology:Buck (Step Down), Input Voltage Min:8V, Input Voltage Max:55V, Max Output Current:2A, Ic Case/Package:Soic, No. Of Pins:16Pins, Ic Mounting:Surface Mount Rohs Compliant: Yes |Stmicroelectronics L4978D RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape 0
  • 1 $2.9000
  • 10 $2.6100
  • 25 $2.4600
  • 50 $2.3100
  • 100 $2.1600
  • 250 $2.0300
  • 500 $1.9300
$1.9300 / $2.9000 Buy Now
DISTI # 497-5794-5-ND
DigiKey IC REG BUCK ADJ 2A 16SO W Min Qty: 1 Lead time: 12 Weeks Container: Tube 1064
In Stock
  • 1 $3.8700
  • 10 $2.9260
  • 49 $2.5494
  • 147 $2.3716
  • 294 $2.2846
  • 539 $2.2212
  • 1,029 $2.1645
  • 2,548 $2.1005
$2.1005 / $3.8700 Buy Now
DISTI # L4978D
Avnet Americas DC/DC Switching Regulator, Adjustable, Buck (Step Down), Single Output, 3.3 V to 50 V, 2 A, 100 kHz, 16 Pins, WSOIC - Rail/Tube (Alt: L4978D) RoHS: Compliant Min Qty: 1225 Package Multiple: 1225 Lead time: 12 Weeks, 0 Days Container: Tube 0
  • 1,225 $1.9508
  • 2,450 $1.9385
  • 4,900 $1.9026
  • 7,350 $1.8720
  • 9,800 $1.8624
$1.8624 / $1.9508 Buy Now
DISTI # 511-L4978D
Mouser Electronics Switching Voltage Regulators 3.3 to 50V Step-Down RoHS: Compliant 2007
  • 1 $2.9000
  • 10 $2.4100
  • 100 $2.1400
  • 250 $2.0300
  • 500 $1.9300
$1.9300 / $2.9000 Buy Now
STMicroelectronics 2A Step down switching regulator RoHS: Compliant Min Qty: 1 2007
  • 1 $2.8400
  • 10 $2.3600
  • 100 $2.1000
  • 250 $1.9900
  • 500 $1.8900
$1.8900 / $2.8400 Buy Now
Future Electronics L4978 Series 55 V 220 uA 300 kHz Buck Through Hole Switching Regulator - SOIC-16 RoHS: Compliant pbFree: Yes Min Qty: 1225 Package Multiple: 49 Lead time: 12 Weeks Container: Tube 0
Tube
  • 49 $2.2600
  • 147 $2.2000
  • 245 $2.1700
  • 490 $2.1400
  • 980 $2.0800
$2.0800 / $2.2600 Buy Now
Future Electronics L4978 Series 55 V 220 uA 300 kHz Buck Through Hole Switching Regulator - SOIC-16 RoHS: Compliant pbFree: Yes Min Qty: 1225 Package Multiple: 49 Lead time: 12 Weeks Container: Tube 0
Tube
  • 1 $2.3600
  • 30 $2.2900
  • 100 $2.2200
  • 200 $2.1900
  • 500 $2.0800
$2.0800 / $2.3600 Buy Now
Future Electronics L4978 Series 55 V 220 uA 300 kHz Buck Through Hole Switching Regulator - SOIC-16 RoHS: Compliant pbFree: Yes Min Qty: 1225 Package Multiple: 49 Lead time: 12 Weeks Container: Tube 0
Tube
  • 49 $2.0900
  • 147 $2.0400
  • 490 $1.9800
  • 980 $1.9500
  • 1,960 $1.9000
$1.9000 / $2.0900 Buy Now
Quest Components SWITCHING REGULATOR, VOLTAGE-MODE, 3.5A, 300KHZ SWITCHING FREQ-MAX, BCDMOS, PDSO16 158
  • 1 $4.2000
  • 25 $2.8000
  • 90 $2.5900
$2.5900 / $4.2000 Buy Now
Quest Components SWITCHING REGULATOR, VOLTAGE-MODE, 3.5A, 300KHZ SWITCHING FREQ-MAX, BCDMOS, PDSO16 23
  • 1 $4.6575
  • 3 $3.1050
  • 9 $2.3288
$2.3288 / $4.6575 Buy Now
DISTI # L4978D
TME Driver, DC/DC converter, Uout: 3.3÷50VDC, 2A, SO16-W, SMD, 300kHz Min Qty: 1 65
  • 1 $3.4000
  • 5 $3.2000
  • 25 $2.7800
  • 49 $2.3700
$2.3700 / $3.4000 Buy Now
ComSIT USA Electronic Component RoHS: Compliant Stock EU - 34
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ
Chip 1 Exchange INSTOCK 5195
RFQ
DISTI # L4978D
Avnet Silica DC/DC Switching Regulator, Adjustable, Buck (Step Down), Single Output, 3.3 V to 50 V, 2 A, 100 kHz, 16 Pins, WSOIC (Alt: L4978D) RoHS: Compliant Min Qty: 49 Package Multiple: 49 Lead time: 13 Weeks, 0 Days Silica - 3381
Buy Now
DISTI # L4978D
EBV Elektronik DC/DC Switching Regulator, Adjustable, Buck (Step Down), Single Output, 3.3 V to 50 V, 2 A, 100 kHz, 16 Pins, WSOIC (Alt: L4978D) RoHS: Compliant Min Qty: 49 Package Multiple: 49 Lead time: 13 Weeks, 0 Days EBV - 0
Buy Now

Part Details for L4978D

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L4978D Part Data Attributes

Parametric Data
L4978D STMicroelectronics
Buy Now Datasheet
Compare Parts:
L4978D STMicroelectronics 2A Step down switching regulator
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Part Package Code SOIC
Package Description SO-16
Pin Count 16
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 12 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-PDSO-G16
JESD-609 Code e4
Length 10.3 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Terminals 16
Output Current-Max 3.5 A
Output Voltage-Nom 3.36 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP16,.4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 250
Qualification Status Not Qualified
Seated Height-Max 2.65 mm
Supply Current-Max (Isup) 6 mA
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) 30
Width 7.5 mm

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