Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 20-QFN (4x4)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

A4450KESTR-J

DigiKey Part Number
620-A4450KESTR-JTR-ND - Tape & Reel (TR)
620-A4450KESTR-JCT-ND - Cut Tape (CT)
620-A4450KESTR-JDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
A4450KESTR-J
Description
IC REG CTRLR BUCK-BOOST 20QFN
Manufacturer Standard Lead Time
24 Weeks
Customer Reference
Detailed Description
Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 20-QFN (4x4)
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Allegro MicroSystems
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Active
Output Type
Transistor Driver
Function
Step-Up/Step-Down
Output Configuration
Positive
Topology
Buck-Boost
Number of Outputs
1
Output Phases
1
Voltage - Supply (Vcc/Vdd)
3V ~ 36V
Frequency - Switching
250kHz ~ 2.2MHz
Duty Cycle (Max)
-
Synchronous Rectifier
No
Clock Sync
Yes
Serial Interfaces
-
Control Features
Enable, Frequency Control, Soft Start
Operating Temperature
-40°C ~ 150°C (TJ)
Grade
Automotive
Qualification
AEC-Q100
Mounting Type
Surface Mount, Wettable Flank
Package / Case
20-WFQFN Exposed Pad
Supplier Device Package
20-QFN (4x4)
Base Product Number
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

In-Stock: 14 337
Check for Additional Incoming Stock
All prices are in SEK
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1kr 22,48000kr 22,48
10kr 16,71200kr 167,12
25kr 15,27280kr 381,82
100kr 13,68630kr 1 368,63
250kr 12,92988kr 3 232,47
500kr 12,47378kr 6 236,89
* All Digi-Reel orders will add a kr 62,00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1 500kr 11,91046kr 17 865,69
3 000kr 11,63479kr 34 904,37
4 500kr 11,49671kr 51 735,19
7 500kr 11,34378kr 85 078,35
Manufacturers Standard Package
Unit Price without VAT:kr 22,48000
Unit Price with VAT:kr 28,10000