Always derate the maximum operating junction temperature based on your specific power dissipation and ambient temperature. For reliable operation, keep TJ below 115°C. 4. Electrical Characteristics (Typical Values at TA = 25°C, VIN = VOUT + 1V, IOUT = 10mA, unless specified) | Parameter | Conditions | Min | Typ | Max | Unit | |-----------|------------|-----|-----|-----|------| | Input Voltage Range | IOUT = 750mA | 2.5 | | 16 | V | | Output Voltage Accuracy | Fixed versions, full load | -2% | ±1% | +2% | % | | Dropout Voltage | IOUT = 750mA, VOUT = 3.3V | | 280 | 400 | mV | | Line Regulation | VIN = VOUT+1V to 16V, IOUT=10mA | | 0.02 | 0.05 | %/V | | Load Regulation | IOUT = 1mA to 750mA | | 0.1 | 0.3 | % | | Quiescent Current (IQ) | IOUT = 0mA | | 45 | 70 | µA | | Shutdown Current | SHDN pin low (if available) | | 0.1 | 1 | µA | | Output Noise (RMS) | 10Hz to 100kHz, VOUT=3.3V, Cbypass=10nF | | 9 | | µVrms | | PSRR | f = 1kHz, IOUT=100mA | 65 | 72 | | dB | | Thermal Shutdown Threshold | | 160 | 170 | | °C | | Thermal Shutdown Hysteresis | | | 15 | | °C | 5. Typical Application Circuits The npct750 datasheet typically provides several reference designs. Here are the two most common topologies. Circuit A: Fixed Output (3.3V at 750mA) This is the simplest implementation for a regulated 3.3V rail from a 5V or 9V input.
| Parameter | NPCT750 | LT1763 | TPS7A4700 | LM2940 | |-----------|---------|--------|-----------|--------| | Max Current | 750mA | 500mA | 1A | 1A | | Dropout @ full load | 280mV | 300mV | 310mV | 500mV | | Output Noise (µVrms) | 9 | 15 | 4 | 80 | | PSRR @ 1kHz | 72dB | 65dB | 82dB | 60dB | npct750 datasheet
Introduction In the fast-paced world of electronics design, the difference between a successful prototype and a field failure often comes down to selecting the right components and, crucially, understanding their complete technical documentation. For engineers working with power management, signal conditioning, or protection circuits, the NPCT750 has emerged as a highly reliable, versatile component. However, like any specialized integrated circuit or module, its full potential can only be unlocked by a thorough analysis of its datasheet. Electrical Characteristics (Typical Values at TA = 25°C,