MaxLinear, Inc.32-VFQFN Exposed PadRoHS
XR77103ELB-A1R0
IC REG BUCK ADJ/FIX TRPL 32TQFN
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
32-VFQFN Exposed Pad
Status
Discontinued at Digi-Key
Price available on request
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | MaxLinear, Inc. |
| Model | XR77103ELB-A1R0 |
| Package / Case | 32-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Buck |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 14V |
| Voltage - Output | 0.8V (5V, 9V, 12V) |
| Current - Output | 2A |
| Frequency - Switching | 1MHz |
| Number of Outputs | 3 |
| Supplier Device Package | 32-TQFN (4x4) |
| RoHS | RoHS |
| Part Status | Discontinued at Digi-Key |
Application & Notes
XR77103ELB-A1R0 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 14V, output 0.8V (5V, 9V, 12V). The 32-VFQFN 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 |
| Output Type | Adjustable (Fixed) |
| Current - Output | 2A |
| Number of Outputs | 3 |
| Output Configuration | Positive |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 14V |
| Voltage - Input (Min) | 4.5V |
| Voltage - Output (Max) | 13.3V |
| Voltage - Output (Min/Fixed) | 0.8V (5V, 9V, 12V) |
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