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LX8554-33CDD
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - Low dropout voltage - High output current capability - Wide input voltage range - Thermal shutdown protection - Short-circuit current limiting - Adjustable output voltage - Small package size
Package: DFN-8 (Dual Flat No-Lead)
Essence: The LX8554-33CDD is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.
Packaging/Quantity: The LX8554-33CDD is typically packaged in reels containing 2500 units per reel.
Specifications
- Input Voltage Range: 2.5V - 6V
- Output Voltage Range: 1.2V - 3.3V
- Dropout Voltage: 200mV @ 500mA
- Output Current: Up to 1A
- Quiescent Current: 75µA
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The LX8554-33CDD has the following pin configuration:
| Pin Name | Description | |----------|-------------| | VIN | Input voltage pin | | GND | Ground pin | | EN | Enable pin | | FB | Feedback pin | | VOUT | Output voltage pin |
Functional Features
- Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
- High output current capability allows the IC to power a wide range of electronic components.
- Wide input voltage range makes it suitable for various applications.
- Thermal shutdown protection prevents the IC from overheating and damaging itself or other components.
- Short-circuit current limiting protects the IC and connected devices from excessive current flow during a short circuit event.
- Adjustable output voltage allows for flexibility in different applications.
- Small package size enables space-saving designs.
Advantages and Disadvantages
Advantages: - Efficient power conversion with low dropout voltage - Wide input voltage range for versatile use - Thermal shutdown protection for enhanced safety - Adjustable output voltage for flexibility - Compact package size for space-constrained designs
Disadvantages: - Limited output current compared to some other voltage regulator ICs - Requires external components for proper operation
Working Principles
The LX8554-33CDD operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. The enable pin (EN) controls the on/off state of the regulator. When enabled, the IC adjusts the pass transistor to maintain the desired output voltage. The thermal shutdown protection and short-circuit current limiting features ensure safe operation under abnormal conditions.
Detailed Application Field Plans
The LX8554-33CDD is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication modules - Microcontroller-based systems - IoT devices - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to the LX8554-33CDD are: - LM1117-3.3 - LT1763-3.3 - TPS79633
These models offer similar functionality and specifications, providing options for different design requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LX8554-33CDD en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LX8554-33CDD in technical solutions:
Q: What is LX8554-33CDD? A: LX8554-33CDD is a specific model of voltage regulator IC (integrated circuit) used for regulating and stabilizing voltage levels in electronic circuits.
Q: What is the input voltage range supported by LX8554-33CDD? A: The input voltage range supported by LX8554-33CDD is typically between 4.5V and 36V.
Q: What is the output voltage provided by LX8554-33CDD? A: LX8554-33CDD provides a fixed output voltage of 3.3V.
Q: What is the maximum output current that LX8554-33CDD can handle? A: LX8554-33CDD can handle a maximum output current of up to 500mA.
Q: Can LX8554-33CDD be used in battery-powered applications? A: Yes, LX8554-33CDD can be used in battery-powered applications as long as the input voltage falls within the supported range.
Q: Is LX8554-33CDD suitable for low-power applications? A: Yes, LX8554-33CDD is suitable for low-power applications due to its low dropout voltage and low quiescent current.
Q: Does LX8554-33CDD require any external components for operation? A: Yes, LX8554-33CDD requires a few external components such as capacitors for stability and noise filtering.
Q: Can LX8554-33CDD handle voltage spikes or transients? A: Yes, LX8554-33CDD has built-in protection features to handle voltage spikes and transients.
Q: Can multiple LX8554-33CDD ICs be used in parallel for higher current requirements? A: Yes, multiple LX8554-33CDD ICs can be used in parallel to increase the overall output current capacity.
Q: What are some typical applications of LX8554-33CDD? A: LX8554-33CDD is commonly used in various technical solutions such as power supplies, battery chargers, embedded systems, and portable devices requiring stable 3.3V power.