Overview
The NCP3063BMNTXG, produced by onsemi, is a high-frequency step-up/down/inverting switching regulator. This device is an upgrade to the MC34063A and MC33063A monolithic DC-DC converters, offering enhanced performance and features. It is designed to operate in various DC-DC converter configurations, including step-down, step-up, and voltage-inverting applications, with a minimal number of external components.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 0 to +40 | V |
| Output Switch Current | Up to 1.5 | A |
| Oscillator Frequency | 110 to 190 | kHz |
| Reference Voltage Accuracy | ±1.5% (NCP3063), ±2% (NCP3063B, NCV3063) | % |
| Thermal Shutdown Threshold | 160°C | °C |
| Operating Junction Temperature Range | 0 to +70°C (NCP3063), -40 to +125°C (NCP3063B, NCV3063) | °C |
| Package Type | DFN-8 (Pb-Free) |
Key Features
- Operation up to 40 V input voltage
- Low standby current
- Output voltage adjustable
- Internal thermal shutdown with hysteresis
- Cycle-by-cycle current limiting
- Precision 1.5% reference voltage
- Darlington output switch configuration for high switching speed and low voltage drop
- Pb-Free packages available
Applications
- Step-down, step-up, and voltage-inverting supply applications
- High power LED lighting
- Battery chargers
- Automotive and other applications requiring site and change control (NCV prefix)
Q & A
- What is the maximum input voltage for the NCP3063BMNTXG?
The maximum input voltage is 40 V.
- What is the typical oscillator frequency of the NCP3063BMNTXG?
The typical oscillator frequency is 150 kHz.
- What is the maximum output switch current of the NCP3063BMNTXG?
The maximum output switch current is 1.5 A.
- Does the NCP3063BMNTXG have thermal shutdown protection?
- What are the typical applications of the NCP3063BMNTXG?
Typical applications include step-down, step-up, and voltage-inverting supply applications, high power LED lighting, and battery chargers.
- What is the reference voltage accuracy of the NCP3063BMNTXG?
The reference voltage accuracy is ±1.5% for NCP3063 and ±2% for NCP3063B and NCV3063.
- What is the operating junction temperature range for the NCP3063BMNTXG?
The operating junction temperature range is 0 to +70°C for NCP3063 and -40 to +125°C for NCP3063B and NCV3063.
- Is the NCP3063BMNTXG available in Pb-Free packages?
- How is the oscillator frequency programmed in the NCP3063BMNTXG?
The oscillator frequency is programmed by the value selected for the timing capacitor CT.
- What type of output switch configuration does the NCP3063BMNTXG use?
The output switch is configured in a Darlington configuration.
