Product Index > Integrated Circuits (ICs) > PMIC - Voltage Regulators - DC DC Switching Regulators > A4490EESTR-T

All prices are in US dollars.
Digi-Key Part Number620-1245-1-ND
Price BreakUnit PriceExtended Price
Quantity Available Digi-Key Stock: 7,076
Can ship immediately

Manufacturer Part Number


DescriptionIC REG BUCK ADJ 1.5A TRPL 20QFN
Lead Free Status / RoHS StatusLead free / RoHS Compliant

QuantityItem Number
Customer Reference
IC REG BUCK ADJ 1.5A TRPL 20QFN | A4490EESTR-T | 620-1245-1-ND | Digi-Key Corp.

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When requested quantity exceeds displayed pricing table quantities, a lesser unit price may appear on your order.
You may submit a request for quotation on quantities which are greater than those displayed in the pricing table.

Datasheets A4490
Product Photos 20-VFQFN
Standard Package ? 1
CategoryIntegrated Circuits (ICs)
FamilyPMIC - Voltage Regulators - DC DC Switching Regulators
Packaging ? Cut Tape (CT) ? 
TypeStep-Down (Buck)
Output TypeAdjustable
Number of Outputs3
Voltage - OutputAdjustable
Voltage - Input4.5 V ~ 34 V
Frequency - Switching550kHz
Current - Output1.5A
Synchronous RectifierNo
Operating Temperature-40°C ~ 85°C
Mounting TypeSurface Mount
Package / Case20-WFQFN Exposed Pad
Supplier Device Package20-QFN (4x4)
Dynamic CatalogBuck (Step-Down) IC
Other Names620-1245-1
Alternate Package
This part is also available in the following packaging:
Digi-Key Part NumberManufacturer Part NumberPackagingQuantity AvailableUnit PriceMinimum Quantity
620-1245-2-NDA4490EESTR-TTape & Reel (TR) ? 6,000 - Immediate
620-1245-6-NDA4490EESTR-TDigi-Reel® ? 7,076 - Immediate

Tape & Reel, Cut Tape and Digi-Reels are all derived from the same manufacturer’s part number. Inventory from Tape & Reel is used to fulfill Cut Tape and Digi-Reel orders and will impact the total quantity available.

12:16:46 9/2/2014