MaxLinear, Inc.44-WFQFN Exposed PadRoHS
XR77129ELBTR-F
IC REG CTRLR BUCK SMBUS 44TQFN
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Controllers
Package
44-WFQFN Exposed Pad
Status
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | MaxLinear, Inc. |
| Model | XR77129ELBTR-F |
| Package / Case | 44-WFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Buck |
| Frequency - Switching | 105kHz ~ 1.23MHz |
| Number of Outputs | 4 |
| Supplier Device Package | 44-TQFN (7x7) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
XR77129ELBTR-F by MaxLinear, Inc. is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 44-WFQFN Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Clock Sync | No |
| Output Type | Transistor Driver |
| Output Phases | 1 |
| Control Features | Enable |
| Number of Outputs | 4 |
| Serial Interfaces | I²C, SMBus |
| Output Configuration | Positive |
| Frequency - Switching | 105kHz ~ 1.23MHz |
| Synchronous Rectifier | Yes |
| Voltage - Supply (Vcc/Vdd) | 6V ~ 40V |
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