NCP1581DR2G
Single-Output Synchronous Step-Down Buck PWM Controller, Voltage-Mode, 6.3 V to 20 V Input, Adjustable Output, 400 kHz, 14-SOIC
Integrated Circuits (ICs)
PMIC - Voltage Regulators - DC DC Switching Controllers
14-SOIC (0.154", 3.90mm Width)
NCP1581
Obsolete
Price available on request
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Parameters
| Parameter | Value |
|---|---|
| Brand | onsemi (ON Semiconductor) |
| Model | NCP1581DR2G |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C to +125°C (Junction) |
| Supplier Device Package | 14-SOIC |
| RoHS | RoHS / Pb-Free Compliant |
| Part Status | Obsolete |
Application & Notes
NCP1581DR2G by onsemi (ON Semiconductor) is a power conversion 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.
📖 Technical Guides for NCP1581DR2G
All Technical Specifications
| topology | Synchronous Buck, Voltage Mode |
| input_voltage | 6.3 V to 20 V |
| switching_frequency | 400 kHz |
| max_duty_cycle | 85% |
| supply_current | 15 mA max dynamic / 3 mA static |
| outputs | 1 |
| features | Enable, Programmable Soft-Start, External Compensation, Tracking |
| thermal_resistance | 90 K/W |
| MSL | 1 |
| ECCN | EAR99 |
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