STMicroelectronics4-XDFN Exposed PadRoHS
LDLN025PU18R
IC REG LINEAR 1.8V 250MA 4DFN
Category
Subcategory
Pmic Voltage Regulators Linear
Package
4-XDFN Exposed Pad
Status
Active
$0.27 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | LDLN025PU18R |
| Package / Case | 4-XDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 1.8V |
| Current - Output | 250mA |
| Supplier Device Package | 4-DFN (1x1) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LDLN025PU18R by STMicroelectronics is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5.5V, output 1.8V. The 4-XDFN 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
| PSRR | 80dB ~ 60dB (100Hz ~ 100KHz) |
| Output Type | Fixed |
| Control Features | Enable |
| Current - Output | 250mA |
| Protection Features | Over Current, Over Temperature, Short Circuit, Soft Start |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 5.5V |
| Voltage Dropout (Max) | 0.25V @ 250mA |
| Current - Supply (Max) | 425 µA |
| Current - Quiescent (Iq) | 25 µA |
| Voltage - Output (Min/Fixed) | 1.8V |
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