LT1121IST-5#TRPBF
Product Overview
Category
The LT1121IST-5#TRPBF belongs to the category of voltage regulators.
Use
It is used to regulate voltage in electronic circuits and devices.
Characteristics
- Low dropout voltage
- Low quiescent current
- Wide input voltage range
- Thermal shutdown and current limit protection
Package
The LT1121IST-5#TRPBF comes in a surface-mount SOT-223 package.
Essence
This voltage regulator is essential for maintaining stable voltage levels in various electronic applications.
Packaging/Quantity
The LT1121IST-5#TRPBF is typically packaged in reels and available in varying quantities depending on the supplier.
Specifications
- Output Voltage: 5V
- Dropout Voltage: 0.4V at 800mA
- Quiescent Current: 75µA
- Input Voltage Range: 2.5V to 20V
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LT1121IST-5#TRPBF has three pins: 1. Vin (Input) 2. Vout (Output) 3. GND (Ground)
Functional Features
- Low dropout voltage allows for regulation with small voltage differentials
- Low quiescent current minimizes power consumption
- Thermal shutdown and current limit protection enhance device safety and reliability
Advantages and Disadvantages
Advantages
- Wide input voltage range enables versatile application
- Small dropout voltage facilitates efficient regulation
- Low quiescent current prolongs battery life in portable devices
Disadvantages
- Limited maximum output current compared to some other voltage regulators
- Sensitive to excessive heat due to its compact size
Working Principles
The LT1121IST-5#TRPBF operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain a constant output.
Detailed Application Field Plans
The LT1121IST-5#TRPBF is suitable for use in: - Battery-powered devices - Portable electronics - Automotive applications - Industrial control systems
Detailed and Complete Alternative Models
Some alternative models to the LT1121IST-5#TRPBF include: - LM317 - LM7805 - ADP3338
In conclusion, the LT1121IST-5#TRPBF is a versatile voltage regulator with a wide input voltage range and low dropout voltage, making it suitable for various electronic applications where stable voltage regulation is essential.
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What is the input voltage range of LT1121IST-5#TRPBF?
- The input voltage range of LT1121IST-5#TRPBF is 2.5V to 20V.
What is the output voltage of LT1121IST-5#TRPBF?
- The output voltage of LT1121IST-5#TRPBF is fixed at 5V.
What is the maximum output current of LT1121IST-5#TRPBF?
- The maximum output current of LT1121IST-5#TRPBF is 150mA.
What is the typical dropout voltage of LT1121IST-5#TRPBF?
- The typical dropout voltage of LT1121IST-5#TRPBF is 300mV at 100mA load.
What is the operating temperature range of LT1121IST-5#TRPBF?
- The operating temperature range of LT1121IST-5#TRPBF is -40°C to 125°C.
Is LT1121IST-5#TRPBF suitable for battery-powered applications?
- Yes, LT1121IST-5#TRPBF is suitable for battery-powered applications due to its low quiescent current and wide input voltage range.
Does LT1121IST-5#TRPBF require external capacitors for stability?
- Yes, LT1121IST-5#TRPBF requires input and output capacitors for stability.
Can LT1121IST-5#TRPBF be used in automotive electronics?
- Yes, LT1121IST-5#TRPBF can be used in automotive electronics as it meets the AEC-Q100 automotive qualification standard.
What are the typical applications of LT1121IST-5#TRPBF?
- Typical applications of LT1121IST-5#TRPBF include battery-powered systems, instrumentation, and portable equipment.
Is LT1121IST-5#TRPBF available in a surface-mount package?
- Yes, LT1121IST-5#TRPBF is available in a surface-mount TO-263 package.