STMicroelectronics L4974A
Production
In StockTechnical Specifications
Physical
Case/PackagePDIP
MountThrough Hole
Number of Pins20
Weight4.535924 g
Technical
Dropout Voltage450 mV
Efficiency90 %
Frequency200 kHz
Max Input Voltage50 V
Max Operating Temperature150 °C
Max Output Current3.5 A
Max Output Voltage40 V
Min Input Voltage15 V
Min Operating Temperature-40 °C
Min Output Voltage5.1 V
Nominal Input Voltage50 V
Number of Channels1
Number of Outputs1
Operating Supply Voltage50 V
Output ConfigurationPositive
Output Current3.5 A
Output TypeAdjustable
Output Voltage40 V
PackagingCut Tape
Quiescent Current19 mA
Schedule B8542390000
Switching Frequency200 kHz
Synchronous RectifierNo
Dimensions
Height4.59 mm
Length24.8 mm
Width7.1 mm
Inventory History
3 month trend: +345%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
0 parts available
Engineering Resources
View Evaluation kits and Reference designs for STMicroelectronics L4974A.
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Descriptions
Descriptions of STMicroelectronics L4974A provided by its distributors.
Switching Regulator, Voltage-mode, 5.5A, 200kHz Switching Freq-Max, BCDMOS, PDIP20
Conv DC-DC 15V to 50V Step Down Single-Out 5.1V to 40V 3.5A 20-Pin Power PDIP Tube
L4974 Series 3.5 A Step Down Monolithic Power Switching Regulator - PowerDIP-20
Dc-Dc Switching Buck (Step Down) Regulator, Adjustable, 15V-50Vin, 5.1V-40Vout, 3.5Aout, Dip-20 Rohs Compliant: Yes |Stmicroelectronics L4974A
IC, SWITCHING REG 3.5A, 4974, DIP20
IC, SWITCHING REG 3.5A, 4974, DIP20; Topology: Buck (Step Down); Input Voltage Min: 15V; Input Voltage Max: 50V; No. of Outputs: 1Outputs; DC / DC Converter IC Case: DIP; No. of Pins: 20Pi; Available until stocks are exhausted
Manufacturer Aliases
STMicroelectronics has several brands around the world that distributors may use as alternate names. STMicroelectronics may also be known as the following names:
- ST MICRO
- STM
- SGS
- SGS THOMSON
- INMOS
- STMICROE
- STMICROEL
- STMICR
- ST MIC
- ST MICROELECTRONIC
- SGS THOMPSON
- SESCOSEM
- STMICROELECT
- ST8
- STMICROELECTRON
- WAFERSCALE
- SGS-ATES
- ST MICROELECTRONICS SEMI
- ST/SGS
- ST MICROELECTRO
- SGST
- THOMS
- STMICROELE
- WAFERSCALE INTEGRATION INC
- SGS-Thomson Microelectronics
- ST Microeletronics
Inventory History
3 month trend: +345%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
0 parts available
Technical Specifications
Physical
Case/PackagePDIP
MountThrough Hole
Number of Pins20
Weight4.535924 g
Technical
Dropout Voltage450 mV
Efficiency90 %
Frequency200 kHz
Max Input Voltage50 V
Max Operating Temperature150 °C
Max Output Current3.5 A
Max Output Voltage40 V
Min Input Voltage15 V
Min Operating Temperature-40 °C
Min Output Voltage5.1 V
Nominal Input Voltage50 V
Number of Channels1
Number of Outputs1
Operating Supply Voltage50 V
Output ConfigurationPositive
Output Current3.5 A
Output TypeAdjustable
Output Voltage40 V
PackagingCut Tape
Quiescent Current19 mA
Schedule B8542390000
Switching Frequency200 kHz
Synchronous RectifierNo
Dimensions
Height4.59 mm
Length24.8 mm
Width7.1 mm
Compliance
Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCNo SVHC
RoHSCompliant