Print Page
L4974A
DC-DC Switching Buck (Step Down) Regulator, Adjustable, 15V-50Vin, 5.1V-40Vout, 3.5Aout, DIP-20 RoHS Compliant: Yes
Image is for illustrative purposes only. Please refer to product description.
ManufacturerSTMICROELECTRONICS
Manufacturer Part NoL4974A
Newark Part No.24M4227
Your Part Number
Technical Datasheet
No Longer Available
Product Information
ManufacturerSTMICROELECTRONICS
Manufacturer Part NoL4974A
Newark Part No.24M4227
Technical Datasheet
Regulator Output TypeAdjustable
No. of Outputs1Outputs
TopologyBuck (Step Down)
Input Voltage Min15V
Input Voltage Max50V
Output Current3.5A
Max Output Current3.5A
IC Case / PackageDIP
No. of Pins20Pins
IC MountingThrough Hole
Output Voltage - Nom-
Output Voltage Min5.1V
Output Voltage Max40V
Switching Frequency Typ100kHz
Efficiency90%
Operating Temperature Min-40°C
Operating Temperature Max150°C
Product Range-
Qualification-
MSL-
SVHCNo SVHC (17-Dec-2015)
DC / DC Converter IC CaseDIP
Automotive Qualification Standard-
Switching Frequency200kHz
Technical Specifications
Regulator Output Type
Adjustable
Topology
Buck (Step Down)
Input Voltage Max
50V
Max Output Current
3.5A
No. of Pins
20Pins
Output Voltage - Nom
-
Output Voltage Max
40V
Efficiency
90%
Operating Temperature Max
150°C
Qualification
-
SVHC
No SVHC (17-Dec-2015)
Automotive Qualification Standard
-
No. of Outputs
1Outputs
Input Voltage Min
15V
Output Current
3.5A
IC Case / Package
DIP
IC Mounting
Through Hole
Output Voltage Min
5.1V
Switching Frequency Typ
100kHz
Operating Temperature Min
-40°C
Product Range
-
MSL
-
DC / DC Converter IC Case
DIP
Switching Frequency
200kHz
Technical Docs (2)
Legislation and Environmental
US ECCN:EAR99
EU ECCN:Unknown
RoHS Compliant:Yes
RoHS
RoHS Phthalates Compliant:Yes
RoHS
SVHC:No SVHC (17-Dec-2015)
Download Product Compliance Certificate
Product Compliance Certificate