Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3.5A 15-PowerWFQFN
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MAX42403AFLB+

DigiKey Part Number
505-MAX42403AFLB+-ND
Manufacturer
Manufacturer Product Number
MAX42403AFLB+
Description
IC REG BUCK ADJ 3.5A 15FC2QFN
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3.5A 15-PowerWFQFN
Datasheet
 Datasheet
EDA/CAD Models
MAX42403AFLB+ Models
Product Attributes
Filter Similar Products
Show Empty Attributes
Category
Voltage - Output (Min/Fixed)
Mfr
Voltage - Output (Max)
12V
Packaging
Tray
Current - Output
Part Status
Active
Frequency - Switching
1.5MHz
Function
Step-Down
Synchronous Rectifier
Yes
Output Configuration
Positive
Operating Temperature
-40°C ~ 125°C (TJ)
Topology
Mounting Type
Surface Mount, Wettable Flank
Output Type
Package / Case
Number of Outputs
1
Supplier Device Package
15-FC2QFN (3x3)
Voltage - Input (Min)
4.5V
Base Product Number
Voltage - Input (Max)
36V
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Available To Order
Factory Stock: 41,808
624 estimated in stock on 04-Jan-2027

This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in USD
Tray
QuantityUnit PriceExt Price
1$2.13000$2.13
10$1.57700$15.77
25$1.43800$35.95
100$1.28510$128.51
490$1.16935$572.98
980$1.13295$1,110.29
1,470$1.11472$1,638.64
2,940$1.08800$3,198.72
5,390$1.06853$5,759.38
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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.