Allicdata Part #: | LT1121IZ-5#TRPBF-ND |
Manufacturer Part#: |
LT1121IZ-5#TRPBF |
Price: | $ 1.20 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC REG LINEAR 5V 150MA TO92-3 |
More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
DataSheet: | LT1121IZ-5#TRPBF Datasheet/PDF |
Quantity: | 1000 |
2000 +: | $ 1.09243 |
Current - Output: | 150mA |
Base Part Number: | LT1121 |
Supplier Device Package: | TO-92-3 |
Package / Case: | TO-226-3, TO-92-3 (TO-226AA) (Formed Leads) |
Mounting Type: | Through Hole |
Operating Temperature: | -40°C ~ 125°C |
Protection Features: | Over Temperature, Reverse Polarity |
Control Features: | Enable |
PSRR: | 58dB (120Hz) |
Current - Supply (Max): | 14mA |
Current - Quiescent (Iq): | 50µA |
Series: | -- |
Voltage Dropout (Max): | 0.7V @ 150mA |
Voltage - Output (Max): | -- |
Voltage - Output (Min/Fixed): | 5V |
Voltage - Input (Max): | 30V |
Number of Regulators: | 1 |
Output Type: | Fixed |
Output Configuration: | Positive |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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LT1121IZ-5#TRPBF Application Field and Working Principle
The LT1121IZ-5#TRPBF, known as a Low-Dropout Regulator and a Fixed Output Voltage regulator, is a three-terminal adjustable monolithic ICs. This ICs functions as a voltage regulator that provides a regulated DC output voltage from a DC input voltage. This type of IC is used in a wide range of commercial, industrial and automotive applications and is characterized by its superior performance, long-term reliability and wide temperature range.
The LT1121IZ-5#TRPBF features fast, accurate regulation over a wide input and load range to ensure that output voltage remains stable and within its specified limits. It is designed to regulate voltage over a wide range of 1.2V to 15V, and utilizes a high-frequency oscillator to ensure high steady-state accuracy. It also incorporates a built-in thermal shutdown and reverse current protection, making it suitable for a variety of operating conditions.
The LT1121IZ-5#TRPBF has a wide range of applications. It can be used in laptop computer power supplies, cellular telephone applications, portable medical equipment, LED lighting, home appliance power supplies, and other devices requiring a reliable, low-dropout voltage regulator. It is also commonly used in automotive applications such as fuel pumps and electric car charging systems.
The workings of the LT1121IZ-5#TRPBF is based on the internal circuits built into the IC. The voltage regulation process begins with an error amplifier circuit. This circuit senses the difference between the output voltage and a reference voltage. When the output voltage is less than the reference voltage, the error amplifier activates an internal switch, which then drives the output voltage up until it is equal to the reference voltage. When the output voltage is greater than the reference voltage, the error amplifier operates in reverse, activating an internal switch which then drives the output voltage down until it reaches the reference voltage.
The IC also incorporates a second amplifier, this time a current amplifier, which monitors the average current draw of the output circuit. If the average current draw is more than what the IC is designed to handle, the current amplifier will reduce the output voltage until the current draw of the circuit is reduced to the desired level.
The LT1121IZ-5#TRPBF is a highly reliable, low cost and low power linear voltage regulator available for a variety of applications. It is an efficient, precise, and reliable way to ensure constant output voltage over varying input voltage and load conditions. With its accurate regulation and wide input and output range, the LT1121IZ-5#TRPBF is a great choice for applications requiring precise voltage regulation.
The specific data is subject to PDF, and the above content is for reference
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