LT1761ES5-SD#TRMPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Noise, High PSRR
• Package: SOT-23-5
• Essence: Linear Regulator
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage Range: 1.21V to 20V
• Dropout Voltage: 300mV at 100mA Load Current
• Output Current: 100mA
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 40µA typical
• Ripple Rejection Ratio: 70dB at 1kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LT1761ES5-SD#TRMPBF has a SOT-23-5 package with the following pin configuration:

```

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| | --| VIN | --| VOUT | --| GND | --| NC | --| SHDN | |_______| ```

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Low noise output ensures minimal interference in sensitive applications.
• High power supply rejection ratio (PSRR) reduces the impact of input voltage fluctuations on the output.
• Shutdown pin (SHDN) enables easy power management and extends battery life.

Advantages

• Compact SOT-23-5 package makes it suitable for space-constrained designs.
• Wide input voltage range provides flexibility in various applications.
• Low quiescent current minimizes power consumption in standby mode.
• Excellent line and load regulation ensure stable output voltage under varying conditions.

Disadvantages

• Limited output current of 100mA may not be sufficient for high-power applications.
• Dropout voltage of 300mV may restrict usage in low-voltage scenarios.

Working Principles

The LT1761ES5-SD#TRMPBF is a linear regulator that maintains a constant output voltage regardless of input voltage fluctuations. It achieves this by using a pass transistor to regulate the voltage drop across it. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The LT1761ES5-SD#TRMPBF is commonly used in various electronic devices and systems, including: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication modules

Detailed and Complete Alternative Models

Some alternative models to the LT1761ES5-SD#TRMPBF include: - LM1117-3.3: A popular 3.3V linear regulator with similar specifications. - MCP1700-3302E: Low dropout voltage regulator with a fixed 3.3V output. - ADP3339AKCZ-3.3-R7: High PSRR linear regulator with a 3.3V output.

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