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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsL4974A
L4974A Image
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See specifications for product details.

L4974A - STMicroelectronics

Manufacturer Part Number
L4974A
Manufacturer
STMicroelectronics
Allelco Part Number
32D-L4974A
ECAD Model
Parts Description
IC REG BUCK ADJ 3.5A 20DIP
Detailed Description
Package
20-DIP (0.300", 7.62mm)
Data sheet
L4974A.pdf
RoHs Status
ROHS3 Compliant
In stock: 6690

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Quantity

Specifications

L4974A Tech Specifications
STMicroelectronics - L4974A technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - L4974A

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Output (Min/Fixed) 5.1V  
Voltage - Output (Max) 40V  
Voltage - Input (Min) 15V  
Voltage - Input (Max) 50V  
Topology Buck  
Synchronous Rectifier No  
Supplier Device Package 20-PowerDIP  
Series -  
Package / Case 20-DIP (0.300", 7.62mm)  
Product Attribute Attribute Value  
Package Tube  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 150°C (TJ)  
Number of Outputs 1  
Mounting Type Through Hole  
Function Step-Down  
Frequency - Switching 100kHz ~ 200kHz  
Current - Output 3.5A  
Base Product Number L4974  

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics L4974A

Product Attribute L4974A L4973D5.1-013TR L4977A L4976D
Part Number L4974A L4973D5.1-013TR L4977A L4976D
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Voltage - Input (Max) 50V 55V 50V 55V
Output Configuration Positive Positive Positive Positive
Package Tube Tape & Reel (TR) - Tube
Voltage - Output (Min/Fixed) 5.1V 5.1V (5.1V) 5.1V 0.5V
Series - - - -
Voltage - Output (Max) 40V 50V 40V 50V
Mounting Type Through Hole Surface Mount Through Hole Surface Mount
Package / Case 20-DIP (0.300", 7.62mm) 20-SOIC (0.295", 7.50mm Width) Multiwatt-15 (Vertical, Bent and Staggered Leads) 16-SOIC (0.295', 7.50mm Width)
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)
Voltage - Input (Min) 15V 8V 15V 8V
Number of Outputs 1 1 1 1
Topology Buck Buck Buck Buck
Synchronous Rectifier No No No No
Base Product Number L4974 L4973 - L4976
Output Type Adjustable Adjustable (Fixed) Adjustable Adjustable
Current - Output 3.5A 3.5A 7A 1A
Supplier Device Package 20-PowerDIP 20-SO 15-Multiwatt 16-SO W
Frequency - Switching 100kHz ~ 200kHz 100kHz ~ 300kHz 200kHz ~ 500kHz 100kHz ~ 300kHz
Function Step-Down Step-Down Step-Down Step-Down

L4974A Datasheet PDF

Download L4974A pdf datasheets and STMicroelectronics documentation for L4974A - STMicroelectronics.

PCN Assembly/Origin
Mult Dev Equip/Assembly Chg 2/Jul/2018.pdf
PCN Obsolescence/ EOL
L49 DC 27-Apr-2022.pdf
HTML Datasheet
L4974A.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

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  1. Phone
    +00852 9146 4856

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L4974A Image

L4974A

STMicroelectronics
32D-L4974A

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