LT8640HUDC#TRPBF is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Analog Devices Inc.
In Stock: 0
Unit Price: $9.15092
Datasheet
Buck Switching Regulator IC Positive Adjustable 0.97V 1 Output 5A 20-WFQFN, 18 Leads, Exposed Pad
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Buck Switching Regulator IC Positive Adjustable 0.97V 1 Output 5A 20-WFQFN, 18 Leads, Exposed Pad
Introducing Power by Linear

LT8640HUDC#TRPBF

DigiKey Part Number
505-LT8640HUDC#TRPBFTR-ND - Tape & Reel (TR)
505-LT8640HUDC#TRPBFCT-ND - Cut Tape (CT)
505-LT8640HUDC#TRPBFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LT8640HUDC#TRPBF
Description
IC REG BUCK ADJ 5A 20QFN
Manufacturer Standard Lead Time
24 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Adjustable 0.97V 1 Output 5A 20-WFQFN, 18 Leads, Exposed Pad
Datasheet
 Datasheet
EDA/CAD Models
LT8640HUDC#TRPBF Models
Product Attributes
Filter Similar Products
Category
Voltage - Input (Max)
42V
Mfr
Voltage - Output (Min/Fixed)
Series
Voltage - Output (Max)
42V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Output
Part Status
Active
Frequency - Switching
210kHz ~ 2MHz
Function
Step-Down
Synchronous Rectifier
Yes
Output Configuration
Positive
Operating Temperature
-40°C ~ 150°C (TJ)
Topology
Mounting Type
Surface Mount
Output Type
Package / Case
Number of Outputs
1
Supplier Device Package
20-QFN (3x4)
Voltage - Input (Min)
3.4V
Base Product Number
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LT8640HUDC-1#TRPBFAnalog Devices Inc.0LT8640HUDC-1#TRPBF-ND$9.15092Parametric Equivalent
In-Stock: 0
2,500 estimated in stock on 17-Dec-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$14.47000$14.47
10$10.06200$100.62
25$8.91160$222.79
100$7.61170$761.17
250$7.50000$1,875.00
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$7.50000$18,750.00
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.