Overview
The NCV3065MNTXG, produced by onsemi, is a monolithic switching regulator designed to deliver constant current for powering high brightness LEDs. This device is part of the NCP3065 series, which includes automotive and other versions requiring site and change control. It features a flexible architecture that allows for step-up or step-down topologies with a minimal number of external components, making it highly versatile for various LED driver applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.0 to 40 | V |
| Switch Current | 1.5 | A |
| Feedback Voltage | 235 mV (nominal) | mV |
| Oscillator Frequency | 110 to 190 | kHz |
| Thermal Shutdown Threshold | 160 °C | °C |
| Thermal Shutdown Hysteresis | 10 °C | °C |
| Maximum Junction Temperature | 150 °C | °C |
| Operating Junction Temperature Range | -40 to +125 °C | °C |
| Package Type | DFN-8 (Pb-Free) |
Key Features
- Integrated 1.5 A Switch
- Low Feedback Voltage of 235 mV
- Cycle-by-Cycle Current Limit
- No Control Loop Compensation Required
- Frequency of Operation Adjustable up to 250 kHz
- Operation with All Ceramic Output Capacitors or No Output Capacitance
- Analog and Digital PWM Dimming Capability
- Internal Thermal Shutdown with Hysteresis
- Automotive Version Available
Applications
- Automotive and Marine Lighting
- High Power LED Driver
- Constant Current Source
- Low Voltage LED Lighting (Landscape, Path, Solar, MR16 Replacement)
Q & A
- What is the primary function of the NCV3065MNTXG?
The primary function of the NCV3065MNTXG is to deliver constant current for powering high brightness LEDs. - What is the input voltage range of the NCV3065MNTXG?
The input voltage range is from 3.0 V to 40 V. - What is the maximum switch current of the NCV3065MNTXG?
The maximum switch current is 1.5 A. - Can the NCV3065MNTXG be used in automotive applications?
Yes, the NCV3065MNTXG is available in an automotive version and is suitable for automotive and marine lighting applications. - What is the feedback voltage of the NCV3065MNTXG?
The feedback voltage is 235 mV (nominal). - Does the NCV3065MNTXG require control loop compensation?
No, the NCV3065MNTXG does not require control loop compensation. - What is the adjustable frequency range of the NCV3065MNTXG?
The frequency of operation can be adjusted up to 250 kHz. - Can the NCV3065MNTXG operate without an output capacitor?
Yes, the NCV3065MNTXG can operate with all ceramic output capacitors or no output capacitance. - What type of dimming is supported by the NCV3065MNTXG?
The NCV3065MNTXG supports both analog and digital PWM dimming. - What is the thermal shutdown threshold of the NCV3065MNTXG?
The thermal shutdown threshold is 160 °C with a hysteresis of 10 °C.
