LTC1147IS8-5#TRPBF Allicdata Electronics
Allicdata Part #:

LTC1147IS8-5#TRPBF-ND

Manufacturer Part#:

LTC1147IS8-5#TRPBF

Price: $ 2.44
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: IC REG CTRLR BUCK 8SOIC
More Detail: Buck Regulator Positive Output Step-Down DC-DC Co...
DataSheet: LTC1147IS8-5#TRPBF datasheetLTC1147IS8-5#TRPBF Datasheet/PDF
Quantity: 1000
2500 +: $ 2.21697
Stock 1000Can Ship Immediately
$ 2.44
Specifications
Frequency - Switching: --
Base Part Number: LTC1147
Supplier Device Package: 8-SOIC
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Operating Temperature: -40°C ~ 85°C (TA)
Control Features: Current Limit, Enable
Serial Interfaces: --
Clock Sync: No
Synchronous Rectifier: No
Duty Cycle (Max): 100%
Series: --
Voltage - Supply (Vcc/Vdd): 3.5 V ~ 14 V
Output Phases: 1
Number of Outputs: 1
Topology: Buck
Output Configuration: Positive
Function: Step-Down
Output Type: Transistor Driver
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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The LTC1147IS8-5#TRPBF is a highly versatile switching voltage regulator controller designed for flexible, robust power management applications. The device is equipped with a wide range of adjustable output voltage levels, high current and low quiescent current capability, and soft-start/soft-stop capabilities making it suitable for a variety of application fields. This article will provide a detailed overview of the LTC1147IS8-5#TRPBF application fields and working principle.

Application Field

The LTC1147IS8-5#TRPBF is primarily designed for power management applications, specifically for DC-DC switching circuits in the range of 0.5V to 5V. It provides many adjustable features, making it well suited for a variety of applications, from battery powered systems to industrial power supplies. Applications that require high-frequency switching and output current up to 5A can benefit from the device’s advanced feature set.

The LTC1147IS8-5#TRPBF is an ideal solution for those needing quality output power in a variety of switching topologies, including buck, boost and flyback converters, allowing designers to easily increase or decrease the output current or voltage. It also supports single-ended, dual-rail, and triple-rail topologies, allowing multiple channels to be controlled separately or connected together.

In addition, the LTC1147IS8-5#TRPBF is designed for both isolated and non-isolated isolated outputs, and can achieve precise output regulation over a wide range of temperature and line variations. It supports constant-frequency, variable-frequency, variable-pulse-width modulation, and time-multiplexed current modulation mode operation, providing design flexibility for different applications.

Working Principle

The LTC1147IS8-5#TRPBF works by regulating the output voltage of a DC-DC switching circuit between 0.5V and 5V. The device features a high/low impedance analog bandgap reference along with a current sense amplifier. The signal from voltage and current sense amplifiers is fed to a comparator, which then sends a signal to the pulse width modulator (PWM) controller that enables/disables the output driving transistor.

The LTC1147IS8-5#TRPBF also has the capability to power down the output driver circuitry when the system is not in use, allowing it to maintain ultra high efficiency. Moreover, the device’s soft-start/soft-stop and other customizable features help protect components against over-voltage and over-current. The LTC1147IS8-5#TRPBF is compatible with various power supply architectures, such as low voltage stand alone, intermediate bus and high voltage bus.

Additionally, the device’s noise floor can be optimized by setting the slope compensation. This allows for the device to operate at the lowest possible current ripple, which has implications for smooth power delivery, system stability, and also improved efficiency.

Conclusion

The LTC1147IS8-5#TRPBF is a versatile switching voltage regulator controller, capable of supporting a wide range of applications. It offers users adjustable features such as output voltage, high current and low quiescent current capability, and soft-start/soft-stop capabilities. In addition, the device supports various power supply architectures and can achieve precise output regulation over a wide temperature and line variation range. With its wide range of features, the LTC1147IS8-5#TRPBF is an excellent choice for those looking for reliable and efficient power management applications.

The specific data is subject to PDF, and the above content is for reference

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