LT1761ES5-3#TRMPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - Low Quiescent Current - High Output Voltage Accuracy - Thermal Shutdown Protection - Small Package Size

Package: SOT-23-5

Essence: The LT1761ES5-3#TRMPBF is a low dropout voltage regulator designed to provide a stable output voltage with high accuracy. It is commonly used in various electronic devices to regulate and control the voltage levels.

Packaging/Quantity: The LT1761ES5-3#TRMPBF is typically available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage: 3.3V
• Dropout Voltage: 300mV at 100mA Load Current
• Quiescent Current: 40µA
• Output Current: Up to 100mA
• Line Regulation: ±0.02%
• Load Regulation: ±0.04%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1761ES5-3#TRMPBF has a total of five pins arranged as follows:

```

---

| | --| |-- VIN (Input Voltage) --| |-- GND (Ground) --| |-- EN (Enable) --| |-- VOUT (Output Voltage) |____| ```

Functional Features

• Low Dropout Voltage: The LT1761ES5-3#TRMPBF exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The regulator has a low quiescent current, minimizing power consumption when the load is light.
• High Output Voltage Accuracy: It provides high accuracy in maintaining the desired output voltage, ensuring stable operation of the connected devices.
• Thermal Shutdown Protection: The LT1761ES5-3#TRMPBF incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Small Package Size: The SOT-23-5 package offers a compact form factor, making it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - High output voltage accuracy - Low dropout voltage - Low quiescent current - Thermal shutdown protection - Small package size

Disadvantages: - Limited output current capacity (up to 100mA) - Restricted input voltage range (2.5V to 20V)

Working Principles

The LT1761ES5-3#TRMPBF operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from a voltage divider network. The internal circuitry adjusts the pass transistor to maintain the desired output voltage, compensating for any changes in the input voltage or load conditions.

Detailed Application Field Plans

The LT1761ES5-3#TRMPBF finds applications in various electronic devices that require a stable and accurate voltage supply. Some common application fields include:

1. Portable Electronics: It can be used in smartphones, tablets, portable media players, and other battery-powered devices to regulate the voltage for different components.
2. Embedded Systems: The regulator is suitable for powering microcontrollers, sensors, and other components in embedded systems.
3. Wireless Communication Devices: It can be utilized in wireless routers, IoT devices, and communication modules to ensure stable voltage supply.
4. Automotive Electronics: The LT1761ES5-3#TRMPBF can be employed in automotive applications such as infotainment systems, GPS devices, and dashboard electronics.
5. Industrial Control Systems: It is suitable for powering control boards, motor drivers, and other components in industrial automation systems.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package size.
2. MCP1700-3302E/TO: Another option offering low dropout voltage and small package size.
3. TS2950CT-3.3: An alternative with a higher output current capacity.

These alternative models provide similar functionality and can be used as substitutes for the LT1761ES5-3#TRMPBF in various applications.

Word count: 536 words