Useful links
Welcome to hotenda.com
Datasheet Replacement Marking Code
HotendaHotenda
Expand menu
3 Cart
25LC128
Hotenda Part Number
H2741184
Manufacturer Part
XR77129ELBMTR-F
Manufacturer
Exar Corporation
Description
Buck Regulator Positive Output Step-Down I²C, SMBus DC-DC Controller IC 44-TQFN (7x7)
Category
Integrated Circuits (ICs)
Family
DC DC Switching Controllers Voltage Regulators
Series
-
Manufacturer Quantity
2208
Datasheets Online
-
Price & Packaging & Delivery
Quantity
Unit Price
Ext. Price
250
$0.05
$11.97

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
XR77129
EDA / CAD Models
Download from Accelerated Designs
Category
Integrated Circuits (ICs)
Clock Sync
No
Control Features
Enable
Duty Cycle (Max)
-
Family
PMIC - Voltage Regulators - DC DC Switching Controllers
Frequency - Switching
105kHz ~ 1.23MHz
Function
Step-Down
Manufacturer
Exar Corporation
Number of Outputs
4
Operating Temperature
-40°C ~ 125°C (TJ)
Output Configuration
Positive
Output Phases
1
Output Type
Transistor Driver
Package / Case
44-WFQFN Exposed Pad
Packaging
Tape & Reel (TR)
Part Status
Active
Serial Interfaces
I²C, SMBus
Series
-
Supplier Device Package
44-TQFN (7x7)
Synchronous Rectifier
Yes
Topology
Buck
Voltage - Supply (Vcc/Vdd)
6 V ~ 40 V
Standard Package
250
Tags
XR77129 (2) XR77 (6) XR7 (37)

Popular Parts

7443551280
2.8µH Shielded Wirewound Inductor 20A 3.3 mOhm Nonstandard
7443551470
4.7µH Shielded Wirewound Inductor 13A 7 mOhm Nonstandard
7443551730
7.3µH Shielded Wirewound Inductor 13A 5.9 mOhm Nonstandard
7443551111
11.3µH Shielded Wirewound Inductor 11A 9.1 mOhm Nonstandard
7443551280
FIXED IND 2.8UH 20A 3.3 MOHM SMD
7443551470
FIXED IND 4.7UH 13A 7 MOHM SMD
7443551111
FIXED IND 11.3UH 11A 9.1 MOHM
61301011121
10 Positions Header, Unshrouded Connector 0.100" (2.54mm) Through Hole Gold
61301021121
10 Positions Header, Unshrouded Connector 0.100" (2.54mm) Through Hole Gold
653104124022
4 Positions Header, Unshrouded Connector 0.049" (1.25mm) Surface Mount Tin

Related Product

XR77129ELBTR-F
Buck Regulator Positive Output Step-Down I²C, SMBus DC-DC Controller IC 44-TQFN (7x7)
Top