Overview
The MC78LC33NTR is a part of the MC78LC00 series of fixed output low dropout linear regulators produced by onsemi. These regulators are designed for handheld communication equipment and portable battery-powered applications that require low quiescent current. Each device in the series includes a voltage reference unit, an error amplifier, a PMOS power transistor, and resistors for setting the output voltage. The MC78LC33NTR is specifically configured to provide a fixed output voltage of 3.3 V.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TA = 25°C, Iout = 1.0 mA) | Vout | 3.234 | 3.3 | 3.366 | V |
| Output Voltage (TA = −40°C to 85°C) | Vout | 3.234 | 3.3 | 3.366 | V |
| Quiescent Current (Iout = 1.0 mA to IO(nom.)) | IQ | - | 1.1 | 3.6 | µA |
| Output Voltage Temperature Coefficient | Tc | -100 | - | - | ppm/°C |
| Output Noise Voltage (f = 1.0 kHz to 100 kHz) | Vn | - | 89 | - | µVrms |
| Maximum Operating Voltage | Vin | - | - | 12 | V |
| Output Current | Iout | - | - | 80 | mA |
| Package Type | - | - | - | SOT23-5, SOT-89 | - |
Key Features
- Ultra-low quiescent current of 1.1 µA typical
- Excellent line and load regulation
- Maximum operating voltage of 12 V
- Low output voltage options available
- High accuracy output voltage of 2.5%
- Industrial temperature range of -40°C to 85°C
- Two surface mount packages available: SOT-89 (3-pin) and SOT-23 (5-pin)
- Pb-free packages available
- ESD protection exceeding Human Body Model 2000 V per MIL-STD-883, Method 3015 and Machine Model 200 V
Applications
- Battery-powered instruments
- Hand-held instruments
- Camcorders and cameras
- Portable communication equipment
- Low power consumption devices requiring stable voltage regulation
Q & A
- What is the typical quiescent current of the MC78LC33NTR?
The typical quiescent current is 1.1 µA.
- What is the maximum operating voltage for the MC78LC33NTR?
The maximum operating voltage is 12 V.
- What is the output voltage accuracy of the MC78LC33NTR?
The output voltage accuracy is 2.5%.
- What are the available package types for the MC78LC33NTR?
The available package types are SOT23-5 and SOT-89.
- Does the MC78LC33NTR have ESD protection?
- What is the minimum output capacitor required for the MC78LC33NTR?
The minimum output capacitor required is 0.1 µF.
- What is the maximum output current of the MC78LC33NTR?
The maximum output current is 80 mA.
- What is the temperature range for the MC78LC33NTR?
The industrial temperature range is -40°C to 85°C.
- Are Pb-free packages available for the MC78LC33NTR?
- How is the power dissipation of the MC78LC33NTR calculated?
The power dissipation can be calculated using the formula: Ptot = (Vin - Vout) * Iout + Vin * Ignd.
