Overview
The NCV3063DR2G is a monolithic power switching regulator from onsemi, designed as a higher frequency upgrade to the popular MC34063A and MC33063A DC-DC converters. This device is optimized for DC-DC converter applications, enabling the implementation of step-up, step-down, and voltage-inverting converters with a minimal number of external components. It features an internal temperature-compensated reference, comparator, a controlled duty cycle oscillator, an active current limit circuit, a driver, and a high current output switch.
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 |
| Hysteresis | 10°C | °C |
| Operating Junction Temperature Range | -40 to +125°C (NCV3063) | °C |
| Package Types | SOIC-8 (Pb-Free) |
Key Features
- Operation to 40 V Input
- Low Standby Current
- Output Switch Current up to 1.5 A
- Output Voltage Adjustable
- Frequency Operation of 150 kHz
- Precision 1.5% Reference
- Internal Thermal Shutdown with Hysteresis
- Cycle-by-Cycle Current Limiting
- Pb-Free Packages Available
Applications
- Step-Up, Step-Down, and Voltage-Inverting Supply Applications
- High Power LED Lighting
- Battery Chargers
- Cost-Sensitive Consumer Products
- Industrial Equipment
Q & A
- What is the maximum input voltage for the NCV3063DR2G?
The maximum input voltage is 40 V. - What is the typical oscillator frequency of the NCV3063DR2G?
The typical oscillator frequency is around 150 kHz. - What is the accuracy of the internal reference voltage?
The reference voltage accuracy is ±1.5% for NCP3063 and ±2% for NCP3063B and NCV3063. - What is the thermal shutdown threshold of the NCV3063DR2G?
The thermal shutdown threshold is 160°C with a hysteresis of 10°C. - What are the common applications of the NCV3063DR2G?
Common applications include step-up, step-down, and voltage-inverting supply applications, high power LED lighting, and battery chargers. - Can the NCV3063DR2G be used in automotive applications?
Yes, the NCV prefix indicates that it is suitable for automotive and other applications requiring site and change control. - What is the maximum output switch current of the NCV3063DR2G?
The maximum output switch current is up to 1.5 A. - How is the oscillator frequency programmed in the NCV3063DR2G?
The oscillator frequency is programmed by the value selected for the timing capacitor CT. - What is the operating junction temperature range for the NCV3063DR2G?
The operating junction temperature range is -40 to +125°C. - Does the NCV3063DR2G have ESD protection?
Yes, the device contains ESD protection and exceeds the Human Body Model 2000 V per AEC Q100-002; 003 or JESD22/A114; A115 Machine Model Method 200 V.
