Overview
The NCP785AH33T1G 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. The NCP785AH33T1G is specifically designed to provide a fixed output voltage of 3.3 V, making it ideal for various high-input voltage applications such as industrial, home metering, and home appliances. It offers high accuracy, excellent power supply rejection ratio (PSRR), and robust protection features, including thermal shutdown and current limit protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Input Voltage (DC) | 25 to 450 | V |
| Output Voltage | 3.3 | V |
| Output Voltage Accuracy (TJ = 25°C, Iout = 100 μA, 25 V ≤ Vin ≤ 450 V) | ±5% | |
| Guaranteed Output Current | 10 mA | |
| Quiescent Current (Typical, VOUT ≤ 5 V) | 10 μA | |
| Power Supply Rejection Ratio (PSRR) at 60 Hz | 70 dB | |
| Thermal Shutdown Temperature | 145 °C | |
| Package | SOT-89-3 |
Key Features
- Wide Input Voltage Range: Up to 450 V DC
- Ultra-Low Quiescent Current: Typical 10 μA (VOUT ≤ 5 V)
- High Accuracy: ±5% over full load, line, and temperature variations
- Ultra-High PSRR: 70 dB at 60 Hz, 90 dB at 100 kHz
- Stable with Ceramic Output Capacitor: 22 μF MLCC
- Thermal Shutdown and Current Limit Protection
- Available in Thermally Enhanced SOT89-3 Package
- Pb-Free Device
Applications
- Industrial Applications
- Home Appliances
- Home Metering and Network Applications
- Off-line Power Supplies
Q & A
- What is the maximum input voltage for the NCP785AH33T1G?
The maximum input voltage for the NCP785AH33T1G is 450 V DC.
- What is the output voltage of the NCP785AH33T1G?
The output voltage of the NCP785AH33T1G is fixed at 3.3 V.
- What is the typical quiescent current of the NCP785AH33T1G?
The typical quiescent current is 10 μA when VOUT ≤ 5 V.
- What is the power supply rejection ratio (PSRR) of the NCP785AH33T1G at 60 Hz?
The PSRR at 60 Hz is 70 dB.
- Does the NCP785AH33T1G have thermal protection?
- In what package is the NCP785AH33T1G available?
- Is the NCP785AH33T1G a Pb-Free device?
- What are some typical applications for the NCP785AH33T1G?
- What is the maximum junction temperature for the NCP785AH33T1G?
- What is the thermal shutdown temperature for the NCP785AH33T1G?
