Intel20-VFQFN Exposed PadRoHS
ER3125QI
IC REG BUCK BST ADJ 2.5A 20QFN
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
20-VFQFN Exposed Pad
Series
Enpirion®
Status
Obsolete
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 | Intel |
| Model | ER3125QI |
| Package / Case | 20-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Topology | Buck, Buck-Boost |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 36V |
| Voltage - Output | 0.5V |
| Current - Output | 2.5A |
| Frequency - Switching | 200kHz ~ 2.2MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 20-QFN-EP (4x4) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
ER3125QI by Intel is a Buck, Buck-Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 36V, output 0.5V. The 20-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, Step-Up/Step-Down |
| Topology | Buck, Buck-Boost |
| Output Type | Adjustable |
| Current - Output | 2.5A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 200kHz ~ 2.2MHz |
| Synchronous Rectifier | Both |
| Voltage - Input (Max) | 36V |
| Voltage - Input (Min) | 3V |
| Voltage - Output (Max) | 36V |
| Voltage - Output (Min/Fixed) | 0.5V |
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