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LTC3251EMSE-1.2#TRPBF
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LTC3251EMSE-1.2#TRPBF

Product Overview

Category

LTC3251EMSE-1.2#TRPBF belongs to the category of voltage regulators.

Use

This product is commonly used for voltage regulation in electronic circuits.

Characteristics

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage: 1.2V
  • Package Type: MSOP-10E
  • Essence: Low Noise, Low Dropout Linear Regulator
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

The LTC3251EMSE-1.2#TRPBF has the following specifications:

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage: 1.2V
  • Output Current: Up to 150mA
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 40µA
  • Line Regulation: ±0.02%
  • Load Regulation: ±0.05%
  • Ripple Rejection: 70dB at 1kHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3251EMSE-1.2#TRPBF has a total of 10 pins. The pin configuration is as follows:

  1. VIN: Input Voltage
  2. GND: Ground
  3. VOUT: Output Voltage
  4. BYP: Bypass Capacitor Connection
  5. EN: Enable Pin
  6. FB: Feedback Pin
  7. NC: No Connection
  8. NC: No Connection
  9. NC: No Connection
  10. NC: No Connection

Functional Features

The LTC3251EMSE-1.2#TRPBF offers the following functional features:

  • Low noise output voltage
  • Low dropout voltage
  • Excellent line and load regulation
  • Thermal shutdown protection
  • Enable pin for power management control

Advantages and Disadvantages

Advantages

  • Wide input voltage range
  • Low quiescent current
  • Small package size
  • Good ripple rejection

Disadvantages

  • Limited output current capacity (up to 150mA)
  • Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The LTC3251EMSE-1.2#TRPBF is a low noise, low dropout linear regulator. It regulates the input voltage to a stable 1.2V output voltage. The device uses a feedback mechanism to continuously adjust the output voltage based on the reference voltage and the feedback voltage from the FB pin.

Detailed Application Field Plans

The LTC3251EMSE-1.2#TRPBF can be used in various applications, including but not limited to:

  1. Battery-powered devices
  2. Portable electronic devices
  3. IoT devices
  4. Wearable devices
  5. Audio amplifiers

Detailed and Complete Alternative Models

Here are some alternative models that can be considered as alternatives to the LTC3251EMSE-1.2#TRPBF:

  1. LT1763 - Low Noise LDO Regulator
  2. LM1117 - Low Dropout Voltage Regulator
  3. ADP3339 - High Accuracy Ultralow Quiescent Current LDO Regulator
  4. TPS7A47 - Ultra-Low Noise, High PSRR, Fast Transient Response LDO Regulator

These alternative models offer similar functionality and can be suitable replacements depending on specific requirements.

In conclusion, the LTC3251EMSE-1.2#TRPBF is a voltage regulator with a wide input voltage range and low noise output. It is commonly used in various electronic applications and offers advantages such as low quiescent current and good ripple rejection. However, it has limitations in terms of output current capacity and dropout voltage. Understanding its specifications, pin configuration, functional features, and alternative models can help in making informed decisions for specific application requirements.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3251EMSE-1.2#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC3251EMSE-1.2#TRPBF in technical solutions:

Q1: What is the LTC3251EMSE-1.2#TRPBF? A1: The LTC3251EMSE-1.2#TRPBF is a specific model of a low-noise, dual-output power supply IC.

Q2: What are the key features of the LTC3251EMSE-1.2#TRPBF? A2: Some key features include dual low-noise LDO regulators, wide input voltage range, low dropout voltage, and adjustable output voltages.

Q3: What is the typical application of the LTC3251EMSE-1.2#TRPBF? A3: The LTC3251EMSE-1.2#TRPBF is commonly used in applications where multiple low-noise power supplies are required, such as precision measurement equipment or audio devices.

Q4: What is the input voltage range supported by the LTC3251EMSE-1.2#TRPBF? A4: The LTC3251EMSE-1.2#TRPBF supports an input voltage range from 2.7V to 5.5V.

Q5: Can the output voltages be adjusted on the LTC3251EMSE-1.2#TRPBF? A5: Yes, the output voltages can be adjusted using external resistors.

Q6: What is the maximum output current supported by each regulator on the LTC3251EMSE-1.2#TRPBF? A6: Each regulator on the LTC3251EMSE-1.2#TRPBF can support a maximum output current of 150mA.

Q7: Does the LTC3251EMSE-1.2#TRPBF have any built-in protection features? A7: Yes, it has built-in protection features such as thermal shutdown and current limit protection.

Q8: What is the operating temperature range of the LTC3251EMSE-1.2#TRPBF? A8: The LTC3251EMSE-1.2#TRPBF can operate within a temperature range of -40°C to 125°C.

Q9: Can the LTC3251EMSE-1.2#TRPBF be used in battery-powered applications? A9: Yes, the low dropout voltage and wide input voltage range make it suitable for battery-powered applications.

Q10: Is there any evaluation board available for the LTC3251EMSE-1.2#TRPBF? A10: Yes, Linear Technology (now part of Analog Devices) provides an evaluation board for the LTC3251EMSE-1.2#TRPBF called DC2325A.