STMicroelectronics, L4974A Step-Down Switching Regulator, 1-Channel 3.5A Adjustable 20-Pin, PDIP

RS Stock No.: 265-623Brand: STMicroelectronicsManufacturers Part No.: L4974A
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Technical Document

Specifications

Brand

STMicroelectronics

Maximum Output Current

3.5A

Maximum Output Voltage

40 V

Regulator Function

Buck Controller

Minimum Output Voltage

5.1 V

Minimum Input Voltage

15 V

Maximum Input Voltage

50 V

Output Type

Adjustable

Mounting Type

Through Hole

Number of Outputs

1

Maximum Switching Frequency

200 kHz

Pin Count

20

Package Type

PDIP

Switching Regulator

Yes

Line Regulation

30 mV

Load Regulation

25 mV

Efficiency

90%

Dimensions

24.8 x 7.1 x 4.59mm

Minimum Operating Temperature

-40 °C

Height

4.59mm

Maximum Operating Temperature

+150 °C

Length

24.8mm

Width

7.1mm

Product details

DC-DC Switching Converters, Step-Down Regulators, STMicroelectronics

ST’s monolithic switching regulators offer high input-voltage capability, and deliver output currents up to 4A, with high switching frequency.

Switching Voltage Regulators, STMicroelectronics

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5.295 OMR

Each (ex VAT)

5.560 OMR

Each (inc VAT)

STMicroelectronics, L4974A Step-Down Switching Regulator, 1-Channel 3.5A Adjustable 20-Pin, PDIP
Select packaging type

Select packaging type

Standard - each

Available in multiples of 1.

Production -

Available in multiples of 1.

Recommended for ordering in large quantities. Items are packaged ready for insertion into machinery, allowing you to improve production efficiency.

1

Available in multiples of 1
15.295 OMR
210.590 OMR
315.885 OMR
421.180 OMR
525.150 OMR
630.180 OMR
735.210 OMR
840.240 OMR
945.270 OMR
1045.250 OMR
1149.775 OMR
1254.300 OMR
1358.825 OMR
1463.350 OMR
1567.875 OMR

5.295 OMR

Each (ex VAT)

5.560 OMR

Each (inc VAT)

STMicroelectronics, L4974A Step-Down Switching Regulator, 1-Channel 3.5A Adjustable 20-Pin, PDIP
Stock information temporarily unavailable.
Select packaging type

Select packaging type

Standard - each

Available in multiples of 1.

Production -

Available in multiples of 1.

Recommended for ordering in large quantities. Items are packaged ready for insertion into machinery, allowing you to improve production efficiency.

1

Available in multiples of 1
15.295 OMR
210.590 OMR
315.885 OMR
421.180 OMR
525.150 OMR
630.180 OMR
735.210 OMR
840.240 OMR
945.270 OMR
1045.250 OMR
1149.775 OMR
1254.300 OMR
1358.825 OMR
1463.350 OMR
1567.875 OMR

Buy in bulk

quantityUnit price
1 - 45.295 OMR
5 - 95.030 OMR
10 - 244.525 OMR
25 - 494.075 OMR
50+3.910 OMR

Ideate. Create. Collaborate

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design-spark
design-spark
  • Download and use our DesignSpark software for your PCB and 3D Mechanical designs
  • View and contribute website content and forums
  • Download 3D Models, Schematics and Footprints from more than a million products
Click here to find out more

Technical Document

Specifications

Brand

STMicroelectronics

Maximum Output Current

3.5A

Maximum Output Voltage

40 V

Regulator Function

Buck Controller

Minimum Output Voltage

5.1 V

Minimum Input Voltage

15 V

Maximum Input Voltage

50 V

Output Type

Adjustable

Mounting Type

Through Hole

Number of Outputs

1

Maximum Switching Frequency

200 kHz

Pin Count

20

Package Type

PDIP

Switching Regulator

Yes

Line Regulation

30 mV

Load Regulation

25 mV

Efficiency

90%

Dimensions

24.8 x 7.1 x 4.59mm

Minimum Operating Temperature

-40 °C

Height

4.59mm

Maximum Operating Temperature

+150 °C

Length

24.8mm

Width

7.1mm

Product details

DC-DC Switching Converters, Step-Down Regulators, STMicroelectronics

ST’s monolithic switching regulators offer high input-voltage capability, and deliver output currents up to 4A, with high switching frequency.

Switching Voltage Regulators, STMicroelectronics

Ideate. Create. Collaborate

JOIN FOR FREE

No hidden fees!

design-spark
design-spark
  • Download and use our DesignSpark software for your PCB and 3D Mechanical designs
  • View and contribute website content and forums
  • Download 3D Models, Schematics and Footprints from more than a million products
Click here to find out more