NCP1529MU135TBG - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: SOT-23-5

Essence: The NCP1529MU135TBG is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The NCP1529MU135TBG is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage Range: 1.35V to 5.5V
• Dropout Voltage: 200mV at 150mA
• Output Current: Up to 150mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NCP1529MU135TBG has a standard SOT-23-5 package with the following pin configuration:

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| | |____| | | ||__ | 1 5 | |_________| ```

Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Feedback (FB) Pin 4: Output (OUT) Pin 5: Input (IN)

Functional Features

• Low Dropout Voltage: The NCP1529MU135TBG exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 150mA, this voltage regulator can power a wide range of electronic devices.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range using an external resistor divider network connected to the feedback pin (FB).
• Thermal Shutdown Protection: The IC includes built-in thermal shutdown protection, which prevents damage due to excessive temperature.
• Overcurrent Protection: The NCP1529MU135TBG incorporates overcurrent protection to safeguard against excessive current draw.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation even with low input voltages. - High output current capability allows for powering various electronic devices. - Adjustable output voltage provides flexibility in different applications. - Thermal shutdown and overcurrent protection enhance reliability and safety.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - SOT-23-5 package may require additional space on the PCB compared to smaller packages.

Working Principles

The NCP1529MU135TBG is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's conduction, maintaining a stable output voltage regardless of input voltage variations.

Detailed Application Field Plans

The NCP1529MU135TBG finds application in various electronic devices requiring a regulated power supply. Some potential application fields include: - Battery-powered devices - Portable consumer electronics - IoT devices - Wearable devices - Embedded systems

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and functionality.
2. MCP1700-3302E/TO: Another alternative offering comparable performance and package options.
3. TS2937CZ-3.3: An alternative voltage regulator with a slightly higher output current capability.

These alternative models can be considered based on specific requirements and availability in the market.

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