- Mfr. #:
- A4491EESTR-T
- Description:
- Buck Switching Regulator IC Positive Adjustable 0.8V 3 Output 20-WFQFN Exposed Pad
- Payment
- T/T / Paypal / Visa / MoneyGram / Western / Union
- Delivery
- DHL / FedEx / Ups / TNT / EMS
-  
- Buy A4491EESTR-T
Documents
NAME | TYPE |
---|---|
Datasheets | A4491 Datasheet |
Online Catalog | Buck (Step-Down) IC |
Attributes
NAME | TYPE |
---|---|
Category | Integrated Circuits (ICs) |
Family | PMIC - Voltage Regulators - DC DC Switching Regulators |
Manufacturer | Allegro MicroSystems, LLC |
Series | - |
Packaging | Tape & Reel (TR) |
Part Status | Active |
Function | Step-Down |
Output Configuration | Positive |
Topology | Buck |
Output Type | Adjustable |
Number of Outputs | 3 |
Voltage - Input (Min) | 4.5V |
Voltage - Input (Max) | 23V |
Voltage - Output (Min/Fixed) | 0.8V |
Voltage - Output (Max) | 20.7V |
Current - Output | - |
Frequency - Switching | 550kHz |
Synchronous Rectifier | No |
Operating Temperature | -40°C ~ 85°C (TA) |
Mounting Type | Surface Mount |
Package / Case | 20-WFQFN Exposed Pad |
Supplier Device Package | 20-QFN (4x4) |
Resources
NAME | TYPE |
---|---|
Standard Package | 1,500 |
Other Names | 620-1516-2 A4491EESTR-T-ND |
Tags | A449 A44 |
For Use With
Part Number | Description |
---|---|
APEK4491EES-01-T | A4491 - DC/DC, Step Down 3, Non-Isolated Outputs Evaluation Board |
Interested
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---|---|
AFE031AIRGZT | IC AFE POWERLINE COMM 48VQFN |
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STPS1L40A | DIODE SCHOTTKY 40V 1A SMA |
RS1A-13-F | DIODE GEN PURP 50V 1A SMA |
MK21FN1M0VMC12 | ARM® Cortex®-M4 Kinetis K20 Microcontroller IC 32-Bit 120MHz 1MB (1M x 8) FLASH 121-MAPBGA (8x8) |
Package
Part Number | Description |
---|---|
A4491EESTR-T | IC REG BUCK ADJ TRPL 20QFN |
A4491EESTR-T | IC REG BUCK ADJ TRPL 20QFN |
Shipping
- FedEx, DHL, and UPS can be selected.
- You can select whether to charge shipping fee by your shipping account or to charge by our side.
- Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
- The shopping cart will automatically calculate the shipping cost.
- Delivery time: At the same day (Order deadline is 2pm, HK Time).
- Delivery date: usually 2 to 7 working days.
- It is unable to appoint a date of delivery.
- Tracking number will be sent once your order has been shipped. (Package Tracking) (It may take up to 24 hours before carriers display the info.)
Payment
- PayPal, Credit Card, TT in advance (bank transfer), Western Union can be chosen.
- Cash transfer only. (Transfer with checks and bills are not accepted.)
- Customer is responsible for paying all possible charges, including sales tax, VAT and customs charges,etc.
- If you need the detailed invoice or tax ID, please email us.