Rochester Electronics, LLC18-DIP (0.300", 7.62mm)RoHS
UC3870N-2
1A, 300KHZ BIPOLAR, PDIP18
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
18-DIP (0.300", 7.62mm)
Status
Active
$2.78 / unit (market reference)
MOQ: 109 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | UC3870N-2 |
| Package / Case | 18-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| Operating Temperature | 0°C ~ 70°C |
| Topology | Buck |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 36V |
| Voltage - Output | 2V |
| Frequency - Switching | Up to 300kHz |
| Number of Outputs | 1 |
| Supplier Device Package | 18-PDIP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
UC3870N-2 by Rochester Electronics, LLC is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 36V, output 2V. The 18-DIP (0.300", 7.62mm) 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 |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | Up to 300kHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 36V |
| Voltage - Input (Min) | 4.5V |
| Voltage - Output (Max) | 3.5V |
| Voltage - Output (Min/Fixed) | 2V |
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