UCC381DPTR-3
IC REG LINEAR 3.3V 1A 8SOIC
Pmic Voltage Regulators Linear
8-SOIC (0.154", 3.90mm Width)
Obsolete
$2.19 / unit (market reference)
MOQ: 137 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | UCC381DPTR-3 |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C ~ 70°C |
| Voltage - Input (Max) | 9V |
| Voltage - Output | 3.3V |
| Current - Output | 1A |
| Supplier Device Package | 8-SOIC |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
UCC381DPTR-3 by Texas Instruments is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 9V, output 3.3V. The 8-SOIC (0.154", 3.90mm Width) 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
| Output Type | Fixed |
| Current - Output | 1A |
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit, Under Voltage Lockout (UVLO) |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 9V |
| Voltage Dropout (Max) | 0.8V @ 1A |
| Current - Quiescent (Iq) | 650 µA |
| Voltage - Output (Min/Fixed) | 3.3V |
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