Zie specificaties voor productdetails.
L78L33ACZ
Product Overview
Category:
The L78L33ACZ is a linear voltage regulator.
Use:
It is used to regulate the output voltage of power supplies.
Characteristics:
- Low dropout voltage
- Output current up to 100 mA
- Internal thermal overload protection
- Output voltage of 3.3V
Package:
The L78L33ACZ comes in a TO-92 package.
Essence:
This voltage regulator provides a stable 3.3V output from a higher input voltage.
Packaging/Quantity:
The L78L33ACZ is typically available in reels or tubes with varying quantities.
Specifications
- Input Voltage Range: 4.75V to 20V
- Output Voltage: 3.3V ±5%
- Dropout Voltage: 1.7V (typical) at 100mA
- Quiescent Current: 5mA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The L78L33ACZ has three pins: 1. Input (Vin) 2. Ground (GND) 3. Output (Vout)
Functional Features
- Overcurrent protection
- Thermal shutdown
- Short-circuit protection
Advantages and Disadvantages
Advantages
- Low dropout voltage
- Overcurrent and thermal protection
- Wide input voltage range
Disadvantages
- Limited output current (up to 100mA)
- Higher quiescent current compared to some modern regulators
Working Principles
The L78L33ACZ uses a pass transistor to regulate the output voltage. When the input voltage is higher than the desired output voltage, the pass transistor adjusts its resistance to maintain a constant output.
Detailed Application Field Plans
The L78L33ACZ is commonly used in various electronic devices such as: - Battery-powered devices - Sensor modules - Microcontroller systems
Detailed and Complete Alternative Models
Some alternative models to the L78L33ACZ include: - LM1117 - MCP1700 - NCP1117
In conclusion, the L78L33ACZ is a reliable linear voltage regulator suitable for applications requiring a stable 3.3V output with low dropout voltage and built-in protection features.
[Word Count: 306]
Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van L78L33ACZ in technische oplossingen
What is the L78L33ACZ voltage regulator used for?
- The L78L33ACZ is a 3.3V voltage regulator commonly used to provide a stable 3.3V output from a higher input voltage source.
What is the maximum input voltage for the L78L33ACZ?
- The maximum input voltage for the L78L33ACZ is typically around 35V, making it suitable for a wide range of applications.
What is the maximum output current of the L78L33ACZ?
- The L78L33ACZ can typically provide a maximum output current of 100mA, making it suitable for low-power applications.
How do I connect the L78L33ACZ in my circuit?
- The L78L33ACZ requires input and output capacitors for stability and proper operation. Connect the input capacitor between the input pin and ground, and the output capacitor between the output pin and ground.
Can the L78L33ACZ handle temperature variations?
- Yes, the L78L33ACZ is designed to operate over a wide temperature range, typically from -40°C to 125°C.
Is the L78L33ACZ suitable for battery-powered applications?
- Yes, the L78L33ACZ's low dropout voltage and low quiescent current make it suitable for battery-powered applications where efficiency is important.
Can I use the L78L33ACZ in a voltage step-down application?
- No, the L78L33ACZ is a fixed 3.3V regulator and cannot be used to step down voltages.
What are the typical applications for the L78L33ACZ?
- The L78L33ACZ is commonly used in microcontroller and digital logic circuits, as well as in various sensor and control applications.
Does the L78L33ACZ require a heat sink?
- In most cases, the L78L33ACZ does not require a heat sink due to its low power dissipation. However, in high ambient temperature or high power dissipation scenarios, a heat sink may be necessary.
Is the L78L33ACZ available in different package types?
- Yes, the L78L33ACZ is available in various package types, including TO-92, TO-220, and DPAK, providing flexibility for different design requirements.