TRS3318IPWR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output current capability
  • Wide input voltage range
  • Thermal shutdown protection
• Package: TSSOP-16
• Essence: Power management IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 500mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. EN (Enable)
2. GND (Ground)
3. FB (Feedback)
4. VOUT (Output Voltage)
5. VREF (Reference Voltage)
6. SS (Soft Start)
7. COMP (Compensation)
8. PGND (Power Ground)
9. PGND (Power Ground)
10. PGND (Power Ground)
11. PGND (Power Ground)
12. VIN (Input Voltage)
13. VIN (Input Voltage)
14. BYP (Bypass Capacitor)
15. BYP (Bypass Capacitor)
16. NC (No Connection)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output current capability allows for driving various loads.
• Wide input voltage range provides flexibility in different applications.
• Thermal shutdown protection prevents overheating and damage.

Advantages

• Compact TSSOP-16 package saves board space.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation for stable output voltage.
• Fast transient response for quick load changes.

Disadvantages

• Limited output current compared to higher power regulators.
• Higher dropout voltage than some competing models.
• Requires external bypass capacitors for optimal performance.

Working Principles

The TRS3318IPWR is a linear voltage regulator that regulates the output voltage based on the feedback received from the FB pin. It operates by comparing the reference voltage (VREF) with the divided output voltage. The error amplifier adjusts the pass transistor to maintain the desired output voltage, compensating for load variations and input voltage changes.

Detailed Application Field Plans

1. Battery-powered devices: The TRS3318IPWR can be used in portable electronics such as smartphones, tablets, and wearable devices to regulate the battery voltage and provide stable power to the system.
2. Industrial automation: This voltage regulator is suitable for industrial control systems, sensors, and actuators, ensuring reliable and consistent power supply in harsh environments.
3. Automotive electronics: With its wide input voltage range and thermal protection, the TRS3318IPWR can be employed in automotive applications like infotainment systems, lighting modules, and engine control units.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator with similar specifications and package.
2. XC6206P332MR: Fixed 3.3V voltage regulator in SOT-23 package.
3. LT1763CS8-3.3: Low dropout voltage regulator with adjustable output voltage in SO-8 package.

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