Overview
The MC78PC50NTRG is a low-dropout linear voltage regulator produced by onsemi. This component is part of the MC78PC00 series, which is designed to provide a stable output voltage with high accuracy and low dropout voltage. The MC78PC50NTRG is housed in a compact SOT-23 5-lead package, making it ideal for space-constrained applications such as handheld communication equipment and battery-powered devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (Nominal) | 5.0 | V |
| Output Voltage Range | 4.9 - 5.1 | V |
| Input Voltage | Up to 8.0 | V |
| Dropout Voltage (Typical @ IOUT = 100 mA) | 0.2 | V |
| Supply Current in ON mode (Typical @ IOUT = 0 mA) | 35 | μA |
| Standby Current (Typical @ VCE = GND) | 0.1 | μA |
| Ripple Rejection (Typical @ f = 1 kHz) | 70 | dB |
| Temperature Coefficient of Output Voltage | ±100 | ppm/°C |
| Line Regulation (Typical) | 0.05%/V | |
| Output Voltage Accuracy | ±2.0% | |
| Package Type | SOT-23 5 leads |
Key Features
- Ultra-low supply current: typical 35 μA in ON mode with no load.
- Low dropout voltage: typical 0.2 V @ IOUT = 100 mA.
- High ripple rejection: typical 70 dB @ f = 1 kHz.
- Low temperature-drift coefficient of output voltage: typical ±100 ppm/°C.
- Excellent line regulation: typical 0.05%/V.
- High accuracy output voltage: ±2.0%.
- Fast dynamic response to line and load changes.
- Compact SOT-23 5-lead package for maximum board space saving.
- Built-in chip enable circuit (CE input pin).
- Identical pinout to the LP2980/1/2.
- Pb-free packages available.
Applications
- Power source for cellular phones (GSM, CDMA, TDMA), cordless phones (PHS, DECT), and 2-way radios.
- Power source for domestic appliances such as cameras, VCRs, and camcorders.
- Power source for battery-powered equipment.
Q & A
- What is the nominal output voltage of the MC78PC50NTRG?
The nominal output voltage is 5.0 V.
- What is the typical dropout voltage of the MC78PC50NTRG at an output current of 100 mA?
The typical dropout voltage is 0.2 V.
- What is the supply current in ON mode with no load?
The supply current in ON mode with no load is typically 35 μA.
- What is the ripple rejection of the MC78PC50NTRG at 1 kHz?
The ripple rejection is typically 70 dB at 1 kHz.
- What is the temperature coefficient of the output voltage?
The temperature coefficient of the output voltage is typically ±100 ppm/°C.
- What is the line regulation of the MC78PC50NTRG?
The line regulation is typically 0.05%/V.
- What is the output voltage accuracy of the MC78PC50NTRG?
The output voltage accuracy is ±2.0%.
- What type of package does the MC78PC50NTRG come in?
The MC78PC50NTRG comes in a SOT-23 5-lead package.
- Does the MC78PC50NTRG have a built-in chip enable circuit?
- Are Pb-free packages available for the MC78PC50NTRG?
