Overview
The NCP785AH150T1G is a high-performance linear regulator produced by onsemi. This component is part of the NCP785A family, known for its wide operating input voltage range and ultra-low quiescent current. It is designed to handle high input voltage applications, making it ideal for industrial, home metering, and home appliances. The NCP785AH150T1G offers a fixed output voltage of 15 V and is optimized for high-voltage line and load transients, ensuring stability in harsh environment applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Input Voltage (DC) | 60 | - | 450 | V |
| Output Voltage | 14.25 | 15 | 15.75 | V |
| Output Current | - | - | 10.5 | mA |
| Quiescent Current (IOUT = 0) | 18 | 22 | - | μA |
| Line Regulation (60 V ≤ Vin ≤ 450 V, Iout = 100 μA) | -0.5 | 0.1 | 0.5 | %/V |
| Load Regulation (100 μA ≤ IOUT ≤ 10 mA, Vin = 65 V) | -1.0 | 0.66 | 1.0 | % |
| Power Supply Rejection Ratio (Vin = 340 VDC +1 Vpp modulation, Iout = 100 μA, f = 1 kHz) | - | 70 | - | dB |
| Thermal Shutdown Temperature | - | 145 | - | °C |
| Thermal Shutdown Hysteresis | -10 | - | - | °C |
Key Features
- Wide Input Voltage Range: Up to 450 V DC, making it suitable for high input voltage applications.
- Ultra-Low Quiescent Current: Typically 22 μA, which is beneficial for power-efficient designs.
- High PSRR: Up to 90 dB at 100 kHz, ensuring good noise rejection.
- ±5% Accuracy: Over full load, line, and temperature variations, providing stable output voltage.
- Thermal Shutdown and Current Limit Protection: Enhances reliability and safety in harsh environments.
- Stable with Ceramic Output Capacitor: Compatible with 22 μF MLCC capacitors.
- Thermally Enhanced SOT89-3 Package: Offers good thermal performance and minimizes solution size.
- Pb-Free Device: Compliant with environmental regulations.
Applications
- Industrial Applications: Suitable for various industrial uses due to its high input voltage range and robust design.
- Home Appliances: Ideal for home appliances that require stable and efficient power supply.
- Home Metering and Network Applications: Used in metering and networking devices that need reliable power regulation.
- Off-line Power Supplies: Can be used in off-line power supply designs where high input voltage handling is necessary.
Q & A
- What is the maximum input voltage for the NCP785AH150T1G?
The maximum input voltage for the NCP785AH150T1G is 450 V DC.
- What is the output voltage of the NCP785AH150T1G?
The output voltage of the NCP785AH150T1G is fixed at 15 V.
- What is the typical quiescent current of the NCP785AH150T1G?
The typical quiescent current of the NCP785AH150T1G is 22 μA.
- What is the power supply rejection ratio (PSRR) of the NCP785AH150T1G?
The PSRR of the NCP785AH150T1G is up to 90 dB at 100 kHz.
- Does the NCP785AH150T1G have thermal shutdown protection?
Yes, the NCP785AH150T1G has thermal shutdown protection with a threshold temperature of 145°C.
- What type of package is the NCP785AH150T1G available in?
The NCP785AH150T1G is available in a thermally enhanced SOT89-3 package.
- Is the NCP785AH150T1G Pb-free?
Yes, the NCP785AH150T1G is a Pb-free device.
- What are the typical applications for the NCP785AH150T1G?
The NCP785AH150T1G is typically used in industrial applications, home appliances, home metering and network applications, and off-line power supplies.
- What is the maximum output current of the NCP785AH150T1G?
The maximum output current of the NCP785AH150T1G is 10.5 mA.
- Can the NCP785AH150T1G be used with ceramic output capacitors?
Yes, the NCP785AH150T1G is stable with ceramic output capacitors, specifically 22 μF MLCC capacitors.
