Overview
The MC78PC30NTR is a low noise, 150 mA Low Drop Out (LDO) linear voltage regulator produced by onsemi. This device is part of the MC78PC00 series, known for its high output voltage accuracy, low supply current, and high ripple rejection. The MC78PC30NTR is housed in a micro-miniature SOT-23-5 surface mount package, making it ideal for applications where space is a premium.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (VIN = VOUT + 1.0 V, IOUT = 30 mA) | VOUT | 2.94 | 3.00 | 3.06 | V |
| Input Voltage | VIN | - | - | 6.0 | V |
| Output Current | IOUT | - | - | 150 | mA |
| Dropout Voltage (IOUT = 100 mA) | VDO | - | 0.2 | - | V |
| Ripple Rejection (f = 1 kHz) | RR | - | 70 | - | dB |
| Operating Temperature Range | TA | -40 | - | 85 | °C |
| Quiescent Current (No Load) | IQ | - | 35 | - | μA |
Key Features
- High Output Voltage Accuracy: The MC78PC30NTR offers high output voltage accuracy with a typical deviation of ±2.0%.
- Low Supply Current: The device operates with a typical supply current of 35 μA in the ON mode with no load.
- Low Dropout Voltage: It features a low dropout voltage of typically 0.2 V at an output current of 100 mA.
- High Ripple Rejection: The regulator has a high ripple rejection of typically 70 dB at 1 kHz.
- Fast Dynamic Response: It exhibits fast dynamic response to line and load changes, making it suitable for various applications.
- Small Package: Housed in a SOT-23-5 package, it is ideal for space-constrained designs).
- Built-in Chip Enable Circuit: The device includes a built-in chip enable circuit (CE input pin) for easy control).
Applications
- Power Source for Cellular Phones: Suitable for GSM, CDMA, TDMA, and other cellular phone technologies).
- Cordless Phones and 2-Way Radios: Ideal for PHS, DECT, and other cordless phone and radio applications).
- Domestic Appliances: Used in cameras, VCRs, camcorders, and other domestic appliances).
- Battery-Powered Equipment: Suitable for hand-held audio instruments, communication equipment, and other battery-powered devices).
Q & A
- What is the output voltage range of the MC78PC30NTR?
The output voltage of the MC78PC30NTR is typically 3.0 V, with a range of 2.94 V to 3.06 V).
- What is the maximum output current of the MC78PC30NTR?
The maximum output current is 150 mA).
- What is the typical dropout voltage of the MC78PC30NTR?
The typical dropout voltage is 0.2 V at an output current of 100 mA).
- What is the ripple rejection of the MC78PC30NTR at 1 kHz?
The ripple rejection is typically 70 dB at 1 kHz).
- What is the operating temperature range of the MC78PC30NTR?
The operating temperature range is from -40°C to 85°C).
- What is the typical quiescent current of the MC78PC30NTR?
The typical quiescent current is 35 μA in the ON mode with no load).
- What package type is the MC78PC30NTR available in?
The device is housed in a SOT-23-5 surface mount package).
- Does the MC78PC30NTR have a built-in chip enable circuit?
Yes, it includes a built-in chip enable circuit (CE input pin)).
- What are some common applications of the MC78PC30NTR?
Common applications include power sources for cellular phones, cordless phones, domestic appliances, and battery-powered equipment).
- How does the MC78PC30NTR handle thermal management?
The device's thermal management is dependent on the PCB design, including the mounting pad configuration, board material, and ambient temperature. Proper thermal conductivity can keep the junction temperature relatively low even in high power dissipation applications).
