RT9161A-18GV

Product Overview

Category: Voltage Regulator
Use: To regulate and stabilize voltage in electronic circuits
Characteristics: High precision, low dropout voltage, low quiescent current
Package: SOT-23-3
Essence: Linear regulator
Packaging/Quantity: Tape and Reel / 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50μA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9161A-18GV is a three-pin device with the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• High precision voltage regulation
• Low dropout voltage for efficient power conversion
• Low quiescent current for reduced power consumption
• Excellent line and load regulation for stable output voltage
• Wide operating temperature range for versatile applications

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures accurate output voltage. - Low dropout voltage allows efficient operation even with small input-output voltage differentials. - Low quiescent current minimizes power consumption, making it suitable for battery-powered devices. - Excellent line and load regulation provide a stable output voltage under varying conditions. - Wide operating temperature range enables usage in extreme environments.

Disadvantages: - Limited output voltage options, as the RT9161A-18GV only provides a fixed 1.8V output.

Working Principles

The RT9161A-18GV is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a low resistance pass element.

Detailed Application Field Plans

The RT9161A-18GV is commonly used in various electronic devices, including:

1. Battery-powered portable devices
2. Mobile phones and smartphones
3. Digital cameras
4. MP3 players
5. Wireless communication modules
6. Industrial control systems
7. Automotive electronics
8. Medical equipment

Detailed and Complete Alternative Models

1. RT9161A-18PX: Same specifications as RT9161A-18GV but in a SOT-89 package.
2. RT9161B-18GV: Similar specifications but with an adjustable output voltage.
3. RT9161C-18GV: Similar specifications but with a higher output current capability.
4. RT9161D-18GV: Similar specifications but with a lower quiescent current.

These alternative models provide flexibility in terms of package options, adjustable output voltage, higher output current, or lower power consumption based on specific application requirements.

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