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Same model may have multiple batches, images only for reference.
XR77129ELB-F Real Image
Same model may have multiple batches, images only for reference.

XR77129ELB-F

Part No XR77129ELB-F
Manufacturer Exar Corporation
Catalog PMIC - Voltage Regulators - DC DC Switching Controllers
Description 40V Quad Output Digital PWM/PFM
Datasheet
XR77129ELB-F Datasheet
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Categories Integrated Circuits (ICs)
Manufacturer Exar Corporation
Packaging Tray
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 4
Output Phases 1
Supply Voltage 6 V ~ 40 V
Frequency - Switching 105kHz ~ 1.23MHz
Synchronous Rectifier Yes
Clock Sync No
Serial Interfaces I2C, SMBus
Control Features Enable
Operating Temperature Range -40°C ~ 125°C (TJ)
Package 44-WFQFN Exposed Pad
Manufacturer Package 44-TQFN (7x7)
Win Source Part Number 1282305-XR77129ELB-F
Manufacturer Homepage www.exar.com
Popularity Medium
Supply and Demand Status Limited
Family Name XR77129
Introduction Date December 22, 2014
ECCN EAR99
Estimated EOL Date 2024
Ultra Librarian 3D Model Ultra Librarian XR77129ELB-F CAD Model

Description

The XR77129ELB-F is a step-down buck regulator from Exar Corporation.

  • Package: 44-WFQFN exposed pad
  • Input Voltage: 6V to 40V
  • Outputs: 4 Positive
  • Frequency Range: 105kHz to 1.23MHz
  • Enable Control: Yes
  • Serial Interfaces: I2C and SMBus
  • Duty Cycle (Maximum): 100%
  • Rectifier: Synchronous
  • Estimated EOL Date: 2024

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