Useful links
Welcome to hotenda.com
Datasheet Replacement Marking Code
HotendaHotenda
Expand menu
3 Cart
25LC128
Hotenda Part Number
H2760293
Manufacturer Part
A4491EESTR-T
Manufacturer
Allegro MicroSystems, LLC.
Description
Buck Switching Regulator IC Positive Adjustable 0.8V 3 Output 20-WFQFN Exposed Pad
Category
Integrated Circuits (ICs)
Family
DC DC Switching Regulators Voltage Regulators
Series
-
Manufacturer Quantity
1317
Datasheets Online
-
Price & Packaging & Delivery
Quantity
Unit Price
Ext. Price
1,500
$0.77
$0.77

Attention: The price is for reference only , pls send us RFQs for the update price.

Packaging: Regular packing reel, tube, tray, box and etc.

Delivery: Shipping can be arranged ASAP since payment received

Inquiry
  • 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.）
  • 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.
Datasheets
A4491 Datasheet
Online Catalog
Buck (Step-Down) IC
Category
Integrated Circuits (ICs)
Current - Output
-
Family
PMIC - Voltage Regulators - DC DC Switching Regulators
Frequency - Switching
550kHz
Function
Step-Down
Manufacturer
Allegro MicroSystems, LLC
Mounting Type
Surface Mount
Number of Outputs
3
Operating Temperature
-40°C ~ 85°C (TA)
Output Configuration
Positive
Output Type
Adjustable
Package / Case
20-WFQFN Exposed Pad
Packaging
Tape & Reel (TR)
Part Status
Active
Series
-
Supplier Device Package
20-QFN (4x4)
Synchronous Rectifier
No
Topology
Buck
Voltage - Input (Max)
23V
Voltage - Input (Min)
4.5V
Voltage - Output (Max)
20.7V
Voltage - Output (Min/Fixed)
0.8V
Other Names
620-1516-2
A4491EESTR-T-ND
Standard Package
1,500
Tags
A449 (4) A44 (17)

Popular Parts

APEK4491EES-01-T
A4491 - DC/DC, Step Down 3, Non-Isolated Outputs Evaluation Board

Popular Parts

AFE031AIRGZT
IC AFE POWERLINE COMM 48VQFN
ICL3223EIVZ
2/2 Transceiver Full RS232 20-TSSOP
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)

Related Product

A4491EESTR-T
IC REG BUCK ADJ TRPL 20QFN
A4491EESTR-T
IC REG BUCK ADJ TRPL 20QFN
Top