Buck Switching Regulator IC Positive Adjustable 0.97V 1 Output 5A 20-WFQFN Exposed Pad, 18 Leads
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LT8640AJUDCM#PBF

DigiKey Part Number
505-LT8640AJUDCM#PBF-ND
Manufacturer
Manufacturer Product Number
LT8640AJUDCM#PBF
Description
IC REG BUCK ADJ 5A 20QFN
Manufacturer Standard Lead Time
50 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Adjustable 0.97V 1 Output 5A 20-WFQFN Exposed Pad, 18 Leads
Datasheet
 Datasheet
EDA/CAD Models
LT8640AJUDCM#PBF Models
Product Attributes
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Category
Voltage - Input (Max)
42V
Mfr
Voltage - Output (Min/Fixed)
Series
Voltage - Output (Max)
41.58V
Packaging
Tube
Current - Output
Part Status
Active
Frequency - Switching
200kHz ~ 3MHz
Function
Step-Down
Synchronous Rectifier
Yes
Output Configuration
Positive
Operating Temperature
-40°C ~ 150°C (TJ)
Topology
Mounting Type
Surface Mount, Wettable Flank
Output Type
Package / Case
Number of Outputs
1
Supplier Device Package
20-QFN (3x4)
Voltage - Input (Min)
2.9V
Base Product Number
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
91 expected in stock on 17-Nov-2026
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$8.12000$8.12
10$6.28100$62.81
91$5.34670$486.55
182$5.15429$938.08
273$5.05795$1,380.82
546$4.91661$2,684.47
1,001$4.81370$4,818.51
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.