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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BD 5.295

Each (Exc. Vat)

BD 5.825

Each (Including 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
1BD 5.295
2BD 10.590
3BD 15.885
4BD 21.180
5BD 25.150
6BD 30.180
7BD 35.210
8BD 40.240
9BD 45.270
10BD 45.250
11BD 49.775
12BD 54.300
13BD 58.825
14BD 63.350
15BD 67.875

BD 5.295

Each (Exc. Vat)

BD 5.825

Each (Including 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
1BD 5.295
2BD 10.590
3BD 15.885
4BD 21.180
5BD 25.150
6BD 30.180
7BD 35.210
8BD 40.240
9BD 45.270
10BD 45.250
11BD 49.775
12BD 54.300
13BD 58.825
14BD 63.350
15BD 67.875

Buy in bulk

quantityUnit price
1 - 4BD 5.295
5 - 9BD 5.030
10 - 24BD 4.525
25 - 49BD 4.075
50+BD 3.910

Ideate. Create. Collaborate

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design-spark
  • Download and use our DesignSpark software for your PCB and 3D Mechanical designs
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  • 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