LD29150PT50R

Product Overview

• Category: Voltage Regulator
• Use: To regulate voltage in electronic circuits
• Characteristics:
  • High precision and low dropout voltage
  • Wide input voltage range
  • Low quiescent current
  • Overcurrent and thermal protection
• Package: TO-252-2L (DPAK)
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage: 5V
• Output Current: 1.5A
• Dropout Voltage: 0.6V @ 1.5A
• Quiescent Current: 80µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD29150PT50R has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• High Precision: The LD29150PT50R provides a highly accurate output voltage of 5V, ensuring stable performance in various applications.
• Low Dropout Voltage: With a dropout voltage as low as 0.6V at 1.5A, the regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The device accepts input voltages ranging from 4.5V to 26V, making it suitable for a wide range of applications.
• Low Quiescent Current: The regulator has a low quiescent current of 80µA, minimizing power consumption when the load is light.
• Overcurrent and Thermal Protection: The LD29150PT50R incorporates overcurrent and thermal protection mechanisms to safeguard against excessive current and temperature conditions.

Advantages and Disadvantages

Advantages: - High precision output voltage - Low dropout voltage - Wide input voltage range - Low quiescent current - Overcurrent and thermal protection

Disadvantages: - Limited output current capacity (1.5A)

Working Principles

The LD29150PT50R is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor's resistance to maintain a stable output voltage.

Detailed Application Field Plans

The LD29150PT50R is commonly used in various electronic devices and circuits, including but not limited to: - Power supplies for microcontrollers and other digital ICs - Battery-powered devices requiring a stable 5V supply - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the LD29150PT50R include: - LM1117-5.0: A popular 5V linear voltage regulator with similar specifications. - LT1763-5: A low dropout linear regulator offering high precision and low quiescent current. - TPS7A4700: A high-performance, low-dropout voltage regulator suitable for demanding applications.

These alternative models provide similar functionality and can be considered as substitutes depending on specific requirements.

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