LT1964IS5-BYP#TRPBF

Product Overview

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

Specifications

The LT1964IS5-BYP#TRPBF is a voltage regulator IC designed for low dropout applications. It operates with an input voltage range of 2.5V to 20V and provides a regulated output voltage from 1.21V to 19.5V. The maximum output current is 1.1A, making it suitable for various electronic devices.

Pin Configuration

The LT1964IS5-BYP#TRPBF has a SOT-23-5 package with the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: Input Voltage (VIN) --| VOUT BYP |-- Pin 2: Bypass Capacitor (BYP) --| NC NC |-- Pin 3: Not Connected (NC) --| GND NC |-- Pin 4: Ground (GND) --| EN NC |-- Pin 5: Enable (EN) |___________| ```

Functional Features

• Low dropout voltage: The LT1964IS5-BYP#TRPBF exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High power supply rejection ratio (PSRR): This voltage regulator has excellent PSRR, which means it can maintain a stable output voltage even in the presence of fluctuations in the input power supply.
• Low noise: The LT1964IS5-BYP#TRPBF is designed to minimize output voltage noise, ensuring clean and reliable power for sensitive electronic components.

Advantages and Disadvantages

Advantages: - Wide input voltage range - High output current capability - Low dropout voltage - Excellent PSRR - Low noise output

Disadvantages: - Limited maximum output voltage (19.5V)

Working Principles

The LT1964IS5-BYP#TRPBF operates as a linear regulator, which means it 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 bypass capacitor (BYP) pin helps improve the regulator's transient response and stability.

Application Field Plans

The LT1964IS5-BYP#TRPBF can be used in various applications that require a regulated power supply. Some potential application fields include:

1. Portable electronic devices: This voltage regulator can provide a stable power source for smartphones, tablets, and other battery-powered devices.
2. Industrial automation: It can be used in control systems, sensors, and actuators to ensure reliable and consistent power supply.
3. Automotive electronics: The LT1964IS5-BYP#TRPBF can be employed in automotive applications such as infotainment systems, lighting controls, and engine management systems.
4. Communication equipment: It is suitable for powering routers, switches, and other network devices that require a stable power source.

Alternative Models

Here are some alternative models that offer similar functionality to the LT1964IS5-BYP#TRPBF:

1. LM1117-ADJ: Adjustable Voltage Regulator, TO-252 package
2. ADP3339AKCZ-3.3-R7: Fixed 3.3V Voltage Regulator, SOT-223 package
3. MAX6035AAUR50+: Fixed 5.0V Voltage Regulator, SOT-23-3 package

These alternative models can be considered based on specific requirements and design constraints.

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