Overview
The MC78LC18NTR 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. The MC78LC18NTR features an ultra-low quiescent current of 1.1 µA, making it highly efficient for power-sensitive applications. It is housed in the micro-miniature Thin SOT23-5 surface mount package and is available in various standard voltage versions, including 1.8 V for this specific model.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TA = 25°C, Iout = 1.0 mA) | Vout | 1.746 | 1.8 | 1.854 | V |
| Quiescent Current (Iout = 1.0 mA to Iout(nom.)) | IQ | - | 1.1 | 3.6 | µA |
| Maximum Operating Voltage | Vin | - | - | 12 | V |
| Output Noise Voltage (f = 1.0 kHz to 100 kHz) | Vn | - | 89 | - | µVrms |
| Output Voltage Temperature Coefficient | Tc | -100 | - | - | ppm/°C |
| Maximum Power Dissipation at 25°C | PD | - | - | 357 | mW |
| Operating Temperature Range | TA | -40 | - | 85 | °C |
| Package Type | - | - | Thin SOT23-5 | - | - |
Key Features
- Low Quiescent Current of 1.1 µA Typical
- Excellent Line and Load Regulation
- Maximum Operating Voltage of 12 V
- Low Output Voltage Option
- High Accuracy Output Voltage of 2.5%
- Industrial Temperature Range of -40°C to 85°C
- Surface Mount Packages (SOT-23, 5 Pin)
- Pb-Free Devices
- ESD Protection: Human Body Model 2000 V per MIL-STD-883, Method 3015; Machine Model 200 V
Applications
- Battery Powered Instruments
- Hand-Held Instruments
- Camcorders and Cameras
- Portable Communication Equipment
Q & A
- What is the typical quiescent current of the MC78LC18NTR? The typical quiescent current is 1.1 µA.
- What is the maximum operating voltage for the MC78LC18NTR? The maximum operating voltage is 12 V.
- What is the output voltage accuracy of the MC78LC18NTR? The output voltage accuracy is 2.5%.
- What is the minimum output capacitor required for the MC78LC18NTR? The minimum output capacitor required is 0.1 µF.
- What are the standard package types for the MC78LC18NTR? The standard package type is Thin SOT23-5.
- What is the operating temperature range for the MC78LC18NTR? The operating temperature range is -40°C to 85°C.
- Does the MC78LC18NTR have ESD protection? Yes, it has ESD protection exceeding Human Body Model 2000 V and Machine Model 200 V.
- How much power can the MC78LC18NTR dissipate at 25°C? The MC78LC18NTR can dissipate up to 357 mW at 25°C.
- What types of applications is the MC78LC18NTR suitable for? It is suitable for battery-powered instruments, hand-held instruments, camcorders, cameras, and portable communication equipment.
- Is the MC78LC18NTR a Pb-Free device? Yes, it is a Pb-Free device.
