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LT1121IN8#PBF

LT1121IN8#PBF

Product Overview

Category

LT1121IN8#PBF belongs to the category of integrated voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

  • High precision voltage regulation
  • Low dropout voltage
  • Low quiescent current
  • Thermal shutdown protection

Package

LT1121IN8#PBF is available in an 8-pin PDIP (Plastic Dual In-line Package) package.

Essence

The essence of LT1121IN8#PBF lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • Input Voltage Range: 2.5V to 20V
  • Output Voltage Range: 1.22V to 18V
  • Dropout Voltage: 300mV at 800mA load current
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. ADJ: Adjust pin for setting the output voltage
  4. VOUT: Regulated output voltage pin
  5. NC: No connection
  6. NC: No connection
  7. NC: No connection
  8. NC: No connection

Functional Features

  • High accuracy voltage regulation
  • Low power consumption
  • Overcurrent and thermal protection
  • Fast transient response

Advantages

  • Wide input voltage range
  • Low dropout voltage ensures efficient power usage
  • Small quiescent current prolongs battery life
  • Thermal shutdown protection prevents damage due to overheating

Disadvantages

  • Limited output current capacity
  • Requires external capacitors for stability

Working Principles

LT1121IN8#PBF operates by comparing the output voltage with a reference voltage and adjusting the pass transistor to maintain a stable output voltage. It utilizes feedback control to regulate the voltage and compensate for load variations.

Detailed Application Field Plans

LT1121IN8#PBF finds applications in various electronic devices, including: - Battery-powered devices - Portable audio players - Wireless communication systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LT1121IN8#PBF are: - LM1117-3.3 - ADP3339AKCZ-2.5-R7 - MAX603CPA

These models offer similar functionality and can be used as substitutes depending on specific requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LT1121IN8#PBF in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of LT1121IN8#PBF in technical solutions:

Q1: What is LT1121IN8#PBF? A1: LT1121IN8#PBF is a low dropout linear regulator IC that provides a regulated output voltage for various electronic applications.

Q2: What is the input voltage range of LT1121IN8#PBF? A2: The input voltage range of LT1121IN8#PBF is typically between 2.5V and 20V.

Q3: What is the output voltage range of LT1121IN8#PBF? A3: The output voltage range of LT1121IN8#PBF can be adjusted from 1.22V to 15V using external resistors.

Q4: What is the maximum output current of LT1121IN8#PBF? A4: The maximum output current of LT1121IN8#PBF is 150mA.

Q5: Can LT1121IN8#PBF handle high input voltages? A5: Yes, LT1121IN8#PBF can handle input voltages up to 20V, making it suitable for a wide range of applications.

Q6: Is LT1121IN8#PBF suitable for battery-powered devices? A6: Yes, LT1121IN8#PBF is suitable for battery-powered devices due to its low dropout voltage and low quiescent current.

Q7: Does LT1121IN8#PBF have built-in thermal protection? A7: Yes, LT1121IN8#PBF has built-in thermal shutdown protection to prevent overheating.

Q8: Can LT1121IN8#PBF operate in a wide temperature range? A8: Yes, LT1121IN8#PBF can operate in a temperature range of -40°C to 125°C.

Q9: Can LT1121IN8#PBF be used in automotive applications? A9: Yes, LT1121IN8#PBF is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

Q10: What are some typical applications of LT1121IN8#PBF? A10: Some typical applications of LT1121IN8#PBF include battery-powered devices, portable instruments, automotive electronics, and industrial control systems.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.