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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsL7981TR
L7981TR Image
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See specifications for product details.

L7981TR - STMicroelectronics

Manufacturer Part Number
L7981TR
Manufacturer
STMicroelectronics
Allelco Part Number
32D-L7981TR
ECAD Model
Parts Description
IC REG BUCK ADJ 3A 8VFQFPN
Detailed Description
Package
8-VFDFN Exposed Pad
Data sheet
L7981.pdf
RoHs Status
ROHS3 Compliant
In stock: 38639

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Quantity

Specifications

L7981TR Tech Specifications
STMicroelectronics - L7981TR technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - L7981TR

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Output (Min/Fixed) 0.6V  
Voltage - Output (Max) 28V  
Voltage - Input (Min) 4.5V  
Voltage - Input (Max) 28V  
Topology Buck  
Synchronous Rectifier No  
Supplier Device Package 8-VFQFPN (3x3)  
Series -  
Package / Case 8-VFDFN Exposed Pad  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 150°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 250kHz ~ 1MHz  
Current - Output 3A  
Base Product Number L7981  

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics L7981TR

Product Attribute L7981TR L7987L L7980ATR L7986A
Part Number L7981TR L7987L L7980ATR L7986A
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Output Configuration Positive Positive Positive Positive
Voltage - Output (Max) 28V 61V 28V 38V
Voltage - Input (Min) 4.5V 4.5V 4.5V 4.5V
Package / Case 8-VFDFN Exposed Pad 16-TSSOP (0.173', 4.40mm Width) Exposed Pad 8-SOIC (0.154', 3.90mm Width) Exposed Pad 8-SOIC (0.154', 3.90mm Width) Exposed Pad
Series - - - -
Package Tape & Reel (TR) Tube Tape & Reel (TR) Tube
Number of Outputs 1 1 1 1
Topology Buck Buck Buck Buck
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage - Output (Min/Fixed) 0.6V 0.8V 0.6V 0.6V
Current - Output 3A 2A 2A 3A
Supplier Device Package 8-VFQFPN (3x3) 16-HTSSOP 8-HSOP 8-HSOP
Synchronous Rectifier No No No No
Function Step-Down Step-Down Step-Down Step-Down
Voltage - Input (Max) 28V 61V 28V 38V
Output Type Adjustable Adjustable Adjustable Adjustable
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)
Frequency - Switching 250kHz ~ 1MHz 250kHz ~ 1.5MHz 250kHz ~ 1MHz 250kHz ~ 1MHz
Base Product Number L7981 L7987 L7980 L7986

L7981TR Datasheet PDF

Download L7981TR pdf datasheets and STMicroelectronics documentation for L7981TR - STMicroelectronics.

PCN Packaging
Material Barrier Bag 17/Dec/2020.pdf CRP/14/8400 20/Mar/2014.pdf
PCN Assembly/Origin
2.73KHz.pdf
HTML Datasheet
L7981.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.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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L7981TR Image

L7981TR

STMicroelectronics
32D-L7981TR

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