onsemi14-SOIC (0.154", 3.90mm Width)RoHS
NCP1581DR2G
IC REG CTRLR BUCK 14SOIC
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Controllers
Package
14-SOIC (0.154", 3.90mm Width)
Status
Last Time Buy
$0.65 / unit (market reference)
MOQ: 461 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | onsemi |
| Model | NCP1581DR2G |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C ~ 125°C (TJ) |
| Topology | Buck |
| Frequency - Switching | 400kHz |
| Number of Outputs | 1 |
| Supplier Device Package | 14-SOIC |
| RoHS | RoHS |
| Part Status | Last Time Buy |
Application & Notes
NCP1581DR2G by onsemi is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 14-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
| Function | Step-Down |
| Topology | Buck |
| Clock Sync | No |
| Output Type | Transistor Driver |
| Output Phases | 1 |
| Control Features | Enable, Soft Start |
| Duty Cycle (Max) | 85% |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 400kHz |
| Synchronous Rectifier | Yes |
| Voltage - Supply (Vcc/Vdd) | 6.3V ~ 20V |
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