Overview
The MC78LC33HT1G is a Low Dropout (LDO) Linear Voltage Regulator from onsemi, designed for handheld communication equipment and portable battery-powered applications. This regulator is part of the MC78LC00 series, which is known for its ultra-low quiescent current of 1.1 µA, making it highly suitable for power-efficient designs. The device includes a voltage reference unit, an error amplifier, a PMOS power transistor, and resistors for setting the output voltage. It is available in micro-miniature surface mount packages, specifically the SOT-89-3 pin package.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 3.3 V |
| Output Current | 80 mA (typical), 50 mA (minimum guaranteed) |
| Input Voltage - Max | 12 V |
| Quiescent Current | 1.1 µA (typical) |
| Output Voltage Accuracy | ±2.5% |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | SOT-89-3 |
| Polarity | Positive |
Key Features
- Ultra-low quiescent current of 1.1 µA, ideal for battery-powered applications.
- Excellent line and load regulation.
- High accuracy output voltage with ±2.5% tolerance.
- Industrial temperature range of -40°C to 85°C.
- Available in micro-miniature SOT-89-3 pin surface mount package.
- Pb-free packages available.
- Minimum output capacitor requirement of 0.1 µF.
Applications
- Battery-powered instruments.
- Hand-held communication equipment.
- Camcorders and cameras.
- Other portable electronic devices requiring low power consumption.
Q & A
- What is the typical quiescent current of the MC78LC33HT1G?
The typical quiescent current is 1.1 µA.
- What is the maximum operating voltage for the MC78LC33HT1G?
The maximum operating voltage is 12 V.
- What is the output voltage accuracy of the MC78LC33HT1G?
The output voltage accuracy is ±2.5%.
- What is the minimum output capacitor requirement for the MC78LC33HT1G?
The minimum output capacitor requirement is 0.1 µF.
- In what package types is the MC78LC33HT1G available?
The MC78LC33HT1G is available in the SOT-89-3 pin surface mount package.
- What is the operating temperature range of the MC78LC33HT1G?
The operating temperature range is -40°C to 85°C.
- Is the MC78LC33HT1G suitable for industrial applications?
Yes, it is suitable for industrial applications due to its wide operating temperature range and robust specifications.
- What are some common applications of the MC78LC33HT1G?
Common applications include battery-powered instruments, hand-held communication equipment, camcorders, and cameras.
- Are Pb-free packages available for the MC78LC33HT1G?
Yes, Pb-free packages are available.
- What is the output current capability of the MC78LC33HT1G?
The output current capability is typically 80 mA, with a minimum guaranteed current of 50 mA.
