Linear Technology/Analog Devices
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LT1950IGN#TRPBF
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LT1950IGN#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Package: 16-Lead Narrow Body SOIC

Essence: The LT1950IGN#TRPBF is a high-efficiency, low dropout voltage regulator designed for various applications that require a stable and adjustable output voltage.

Packaging/Quantity: The LT1950IGN#TRPBF is available in a 16-Lead Narrow Body SOIC package. It is typically sold in reels containing a quantity of 250 units.

Specifications

  • Input Voltage Range: 2.5V to 20V
  • Output Voltage Range: 1.25V to 19.5V
  • Dropout Voltage: 300mV at 1A Load Current
  • Maximum Output Current: 1.5A
  • Line Regulation: ±0.02% Typical
  • Load Regulation: ±0.1% Typical
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1950IGN#TRPBF has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. ADJ: Output Voltage Adjustment
  4. VOUT: Output Voltage
  5. NC: No Connection
  6. NC: No Connection
  7. NC: No Connection
  8. NC: No Connection
  9. NC: No Connection
  10. NC: No Connection
  11. NC: No Connection
  12. NC: No Connection
  13. NC: No Connection
  14. NC: No Connection
  15. NC: No Connection
  16. NC: No Connection

Functional Features

  • High efficiency voltage regulation
  • Adjustable output voltage for flexibility
  • Current limit protection prevents damage from excessive load current
  • Thermal shutdown protection prevents overheating

Advantages and Disadvantages

Advantages: - High efficiency results in less power dissipation - Low dropout voltage allows for operation with low input voltages - Adjustable output voltage provides versatility for different applications - Current limit protection ensures the safety of connected devices - Thermal shutdown protection prevents damage due to excessive heat

Disadvantages: - Limited maximum output current of 1.5A may not be suitable for high-power applications - The 16-Lead Narrow Body SOIC package may not be compatible with all circuit board designs

Working Principles

The LT1950IGN#TRPBF operates as a voltage regulator by maintaining a stable output voltage regardless of variations in the input voltage or load conditions. It achieves this through a combination of feedback control, error amplification, and internal circuitry.

When the input voltage is applied, the LT1950IGN#TRPBF compares it to a reference voltage and adjusts its internal circuitry to maintain the desired output voltage. If the load current increases, the regulator compensates by adjusting its internal components to provide the necessary current while keeping the output voltage constant.

The LT1950IGN#TRPBF also incorporates current limit protection, which monitors the load current and limits it to a safe level to prevent damage. Additionally, thermal shutdown protection safeguards the regulator by shutting it down if the temperature exceeds a certain threshold.

Detailed Application Field Plans

The LT1950IGN#TRPBF can be used in various applications that require a stable and adjustable output voltage. Some potential application fields include:

  1. Battery-powered devices: The LT1950IGN#TRPBF's low dropout voltage and high efficiency make it suitable for battery-powered devices where maximizing battery life is crucial.

  2. Automotive electronics: With its wide input voltage range and robust protection features, the LT1950IGN#TRPBF can be used in automotive applications such as infotainment systems, lighting controls, and power management modules.

  3. Industrial control systems: The LT1950IGN#TRPBF's adjustable output voltage and current limit protection make it suitable for use in industrial control systems that require precise voltage regulation and protection against excessive load currents.

  4. Communication equipment: The LT1950IGN#TRPBF can be utilized in communication equipment such as routers, switches, and base stations to ensure stable and reliable power supply.

Detailed and Complete Alternative Models

  1. LT1763: Low Dropout Regulator with Adjustable Output Voltage
  2. LT3080: Adjustable 1.1A Single Resistor Low Dropout Regulator
  3. LM317: Adjustable Positive Voltage Regulator
  4. TPS7A4700: High-Voltage, Ultra-Low-Iq, Low-Dropout Linear Regulator

These alternative models offer similar functionality and characteristics to the LT195

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT1950IGN#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT1950IGN#TRPBF in technical solutions:

  1. Q: What is the LT1950IGN#TRPBF? A: The LT1950IGN#TRPBF is a specific model number for a low-power, high-side current sense amplifier manufactured by Linear Technology (now part of Analog Devices).

  2. Q: What is the purpose of the LT1950IGN#TRPBF? A: The LT1950IGN#TRPBF is designed to accurately measure current flowing through a high-side shunt resistor in various applications.

  3. Q: What are the key features of the LT1950IGN#TRPBF? A: Some key features include low quiescent current, wide input voltage range, high common-mode rejection ratio, and a small package size.

  4. Q: In which applications can the LT1950IGN#TRPBF be used? A: The LT1950IGN#TRPBF can be used in a wide range of applications such as battery monitoring, power management systems, motor control, and industrial automation.

  5. Q: How does the LT1950IGN#TRPBF work? A: The LT1950IGN#TRPBF amplifies the voltage drop across a shunt resistor and provides an output voltage proportional to the current flowing through it.

  6. Q: What is the maximum supply voltage for the LT1950IGN#TRPBF? A: The LT1950IGN#TRPBF can operate with a maximum supply voltage of up to 60V.

  7. Q: What is the typical quiescent current of the LT1950IGN#TRPBF? A: The typical quiescent current of the LT1950IGN#TRPBF is around 50µA.

  8. Q: Can the LT1950IGN#TRPBF tolerate high common-mode voltages? A: Yes, the LT1950IGN#TRPBF has a high common-mode rejection ratio (CMRR) which allows it to tolerate high common-mode voltages.

  9. Q: Does the LT1950IGN#TRPBF require external components for operation? A: Yes, the LT1950IGN#TRPBF requires an external shunt resistor and decoupling capacitors for proper operation.

  10. Q: Is the LT1950IGN#TRPBF available in different package options? A: Yes, the LT1950IGN#TRPBF is available in various package options including the 16-pin SSOP package.