| Allicdata Part #: | LT1121CS8-5#TRPBFTR-ND |
| Manufacturer Part#: |
LT1121CS8-5#TRPBF |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Linear Technology/Analog Devices |
| Short Description: | IC REG LINEAR 5V 150MA 8SOIC |
| More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
| DataSheet: |  LT1121CS8-5#TRPBF Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Current - Output: | 150mA |
| Base Part Number: | LT1121 |
| Supplier Device Package: | 8-SOIC |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | 0°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) |
Description
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LT1121CS8-5#TRPBF is a high performance, easy to use, low dropout voltage regulator which is well suited for various industrial applications. It has a wide operating input voltage range from 2V to 32V and can output up to 15A of current. Its very low quiescent current makes it ideal for battery applications, where the battery life should be maximized. It offers two modes of operation - normal and P-Channel mirror - to improve the system efficiency and reduce power consumption. Additionally, LT1121CS8-5#TRPBF has excellent regulation characteristics and load regulation.Applications
LT1121CS8-5#TRPBF can be used in a variety of applications such as power supplies, microprocessors, digital signal processors and other devices that need a stable and reliable power supply. It was designed to be used in power applications where efficiency, size and low power consumption is important. This device can be used to provide a constant and regulated output voltage to a wide variety of digital microprocessors, digital signal processors and other digital devices. It is also suitable for applications where the output voltage needs to be tightly regulated and ripple rejection is required. This regulator can also be used in battery powered applications to provide a stable and reliable power supply.Working Principle
The working of the LT1121CS8-5#TRPBF is based on the principle of an LDO (low dropout regulator). A low dropout regulator is a type of voltage regulator that uses a high voltage differenced across the regulating device, to operate more efficiently. In the case of the LT1121CS8-5#TRPBF, the input voltage is compared to the reference voltage and then adjusted accordingly, to provide a stable and reliable output voltage. The reference voltage is provided by a bandgap reference circuit, while the regulating device is P-Channel MOSFET and the driver is an N-Channel MOSFET.The N-Channel MOSFET is normally off, until a lower input voltage is sensed. At this point, the N-Channel MOSFET is switched on and the P-Channel is switched off, allowing the current to pass through the P-Channel from the input voltage to the output voltage. When the input voltage is higher than the reference voltage, the P-Channel MOSFET is switched on, and the N-Channel is switched off. This allows the current to pass through the P-Channel from the output voltage to the input voltage and hence, the output voltage is adjusted accordingly.Additionally, the LT1121CS8-5#TRPBF offers better Ripple Rejection than a traditional voltage regulator. The LT1121CS8-5#TRPBF also offers output current limiting, Thermal Shutdown and protective circuitry, making it the perfect choice for industrial applications.The specific data is subject to PDF, and the above content is for reference
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