Buck Regulator Positive Output Step-Down I²C, SMBus DC-DC Controller IC 44-TQFN (7x7)
Manufacturer: Exar Corporation
Win Source Part Number: 1282305-XR77129ELB-F
Packaging: Tray
Operating Temperature Range: -40°C ~ 125°C (TJ)
Package: 44-WFQFN Exposed Pad
Output Type: Transistor Driver
Function: Step-Down
Topology: Buck
Frequency - Switching: 105kHz ~ 1.23MHz
Control Features: Enable
Supply Voltage: 6 V ~ 40 V
Number of Outputs: 4
Output Configuration: Positive
Synchronous Rectifier: Yes
Serial Interfaces: I2C, SMBus
Family Name: XR77129
Output Phases: 1
Clock Sync: No
Categories: Integrated Circuits (ICs)
Manufacturer Homepage: www.exar.com
Manufacturer Package: 44-TQFN (7x7)
Alternative Parts (Cross-Reference): XR77129ELBTR-F; XR77129ELBMTR-F;
Introduction Date: December 22, 2014
ECCN: EAR99
Estimated EOL Date: 2024
Popularity: Medium
Fake Threat In the Open Market: 65 pct.
Supply and Demand Status: Limited
IC REG CTRLR BUCK SMBUS 44TQFN
Switching Controllers Quad Channel Programmable Digital Buck Controller 40V.
Buck Regulator Positive Output Step-Down I²C, SMBus DC-DC Controller IC 44-TQFN (7x7)
| DigiKey | Win Source Electronics | Lingto Electronic Limited | VAST STOCK CO., LIMITED | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | 1016-2067-ND | 1282305-XR77129ELB-F | XR77129ELB-F | XR77129ELB-F | XR77129ELB-F |
| Product Name | DC DC Switching Controllers | PMIC - PMIC - Voltage Regulators - DCDC Switching Controllers - XR77129ELB-F | PMIC - Voltage Regulators - DC DC Switching Controllers | Switching Controllers | DC DC Switching Controllers |
| Configuration / Function | Buck | Buck | |||
| Package Type | Other; 44-WFQFN Exposed Pad | Other; 44-WFQFN Exposed Pad | Other; 44-WFQFN Exposed Pad | ||
| Special Features | Synchronous Rectification | Multiple Outputs; Synchronous Rectification; Enable | Enable | ||
| fsw | 105 to 1230 kHz | 105 to 1230 kHz | 105 to 1230 kHz | 105 to 1230 kHz |
