Buck Switching Regulator IC Positive Adjustable 0.8V 3 Output 20-WFQFN Exposed Pad
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A4491EESTR-T

DigiKey Part Number
620-A4491EESTR-TTR-ND - Tape & Reel (TR)
620-A4491EESTR-TCT-ND - Cut Tape (CT)
620-A4491EESTR-TDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
A4491EESTR-T
Description
IC REG BUCK ADJ TRPL 20QFN
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Adjustable 0.8V 3 Output 20-WFQFN Exposed Pad
Datasheet
 Datasheet
Product Attributes
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Category
Voltage - Input (Max)
23V
Mfr
Voltage - Output (Min/Fixed)
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Output (Max)
20.7V
Part Status
Active
Frequency - Switching
550kHz
Function
Step-Down
Synchronous Rectifier
No
Output Configuration
Positive
Operating Temperature
-40°C ~ 85°C (TA)
Topology
Mounting Type
Surface Mount
Output Type
Package / Case
Number of Outputs
3
Supplier Device Package
20-QFN-EP (4x4)
Voltage - Input (Min)
4.5V
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 17,356
Check for Additional Incoming Stock
All prices are in TWD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1NT$80.00000NT$80
10NT$59.30000NT$593
25NT$54.12000NT$1,353
100NT$48.37000NT$4,837
250NT$45.63200NT$11,408
500NT$44.22000NT$22,110
* All Digi-Reel orders will add a NT$215 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,500NT$41.94533NT$62,918
3,000NT$40.94867NT$122,846
4,500NT$40.44978NT$182,024
7,500NT$39.89693NT$299,227
Manufacturers Standard Package