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LM3525MX-H/NOPB
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: Low Dropout, Adjustable Output, Current Limiting
- Package: SOT-23-5
- Essence: LM3525MX-H/NOPB is a voltage regulator IC designed to provide a stable output voltage with low dropout voltage. It is commonly used in various electronic devices to regulate and control the voltage levels.
- Packaging/Quantity: The LM3525MX-H/NOPB is available in a SOT-23-5 package and is typically sold in reels of 3000 units.
Specifications
- Input Voltage Range: 2.5V to 6V
- Output Voltage Range: 1.2V to 5.5V
- Dropout Voltage: 200mV at 100mA load current
- Quiescent Current: 75µA (typical)
- Output Current: Up to 250mA
- Operating Temperature Range: -40°C to +125°C
Pin Configuration
The LM3525MX-H/NOPB has a total of 5 pins arranged as follows:
____
EN | | VOUT
GND| | VIN
NC |____| FB
- EN: Enable pin for turning the regulator on/off.
- VOUT: Output voltage pin.
- GND: Ground reference pin.
- VIN: Input voltage pin.
- FB: Feedback pin for adjusting the output voltage.
Functional Features
- Low Dropout Voltage: The LM3525MX-H/NOPB has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
- Adjustable Output Voltage: The output voltage can be adjusted within the specified range using an external resistor divider connected to the FB pin.
- Current Limiting: The LM3525MX-H/NOPB incorporates current limiting circuitry to protect the device and the load from excessive current.
Advantages
- Compact package size (SOT-23-5) makes it suitable for space-constrained applications.
- Wide input voltage range allows for flexibility in various power supply configurations.
- Low quiescent current minimizes power consumption in standby or low-load conditions.
- Adjustable output voltage provides versatility for different system requirements.
Disadvantages
- Limited maximum output current of 250mA may not be sufficient for high-power applications.
- Dropout voltage of 200mV may result in some power loss, especially when operating with low input voltages.
Working Principles
The LM3525MX-H/NOPB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage at the FB pin with a reference voltage. The internal circuitry adjusts the pass transistor to maintain a stable output voltage, compensating for changes in the input voltage and load conditions.
Application Field Plans
The LM3525MX-H/NOPB can be used in various applications, including:
- Battery-powered devices: Portable electronics, such as smartphones, tablets, and portable media players, benefit from the LM3525MX-H/NOPB's low dropout voltage and adjustable output voltage capabilities.
- Industrial control systems: The LM3525MX-H/NOPB can be used to regulate voltage levels in industrial control systems, ensuring stable and reliable operation.
- Automotive electronics: The wide input voltage range and compact package make the LM3525MX-H/NOPB suitable for automotive applications, such as infotainment systems and lighting controls.
Alternative Models
- LM1117: A popular alternative with higher output current capability.
- LP2985: Another alternative with low dropout voltage and adjustable output voltage.
- MCP1702: Alternative with low quiescent current and wide input voltage range.
These alternative models offer similar functionality and can be considered based on specific application requirements.
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Question: What is the maximum input voltage for LM3525MX-H/NOPB?
Answer: The maximum input voltage for LM3525MX-H/NOPB is 6.5V.
Question: What is the typical output current capability of LM3525MX-H/NOPB?
Answer: The typical output current capability of LM3525MX-H/NOPB is 500mA.
Question: Can LM3525MX-H/NOPB be used in battery charging applications?
Answer: Yes, LM3525MX-H/NOPB can be used in battery charging applications.
Question: What is the operating temperature range for LM3525MX-H/NOPB?
Answer: The operating temperature range for LM3525MX-H/NOPB is -40°C to 85°C.
Question: Does LM3525MX-H/NOPB have built-in overcurrent protection?
Answer: Yes, LM3525MX-H/NOPB has built-in overcurrent protection.
Question: Can LM3525MX-H/NOPB be used in automotive applications?
Answer: Yes, LM3525MX-H/NOPB can be used in automotive applications.
Question: What is the typical dropout voltage of LM3525MX-H/NOPB?
Answer: The typical dropout voltage of LM3525MX-H/NOPB is 300mV at 100mA load.
Question: Is LM3525MX-H/NOPB suitable for portable electronic devices?
Answer: Yes, LM3525MX-H/NOPB is suitable for portable electronic devices.
Question: Can LM3525MX-H/NOPB be used in LED driver applications?
Answer: Yes, LM3525MX-H/NOPB can be used in LED driver applications.
Question: What is the package type for LM3525MX-H/NOPB?
Answer: LM3525MX-H/NOPB is available in a 10-pin MSOP package.