LTC1438XCG#TRPBF

Frequency - Switching:	Up to 400kHz
Base Part Number:	LTC1438
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Enable, Power on Reset, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	99%
Series:	--
Voltage - Supply (Vcc/Vdd):	3.5 V ~ 30 V
Output Phases:	1
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LTC1438XCG#TRPBF (hereinafter referred to as LTC1438) is a new type of DC/DC switching controller from Linear Technology, used for power management in different types of systems. It is an advanced multi-channel switcher IC which provides unparalleled flexibility for a range of power management applications. This device can be used in various portable and stationary applications, from portable devices to industrial automation.

Applications of LTC1438XCG#TRPBF

The device’s flexibility makes it suitable for a wide range of applications. 1. Battery-powered and other low power, portable systems: For portable applications powered by battery sources, the LTC1438 is ideal, as it offers great protection by monitoring and controlling battery drain, making it more power-efficient.2. Automotive systems: Automotive products are increasingly bundled with features, and it’s important to ensure the right power supply design. The LTC1438 delivers this, by providing multi-channel control and monitoring capabilities while optimizing power efficiency and reliability.3. Industrial automation: Industrial automation systems such as elevators demand that tight control be maintained on the power supply. The LTC1438 helps to achieve this, and is particularly important for applications with high reliability requirements.4. Smart home devices and appliances: The LTC1438 is ideal for controlling and monitoring power supplies for various home appliances and smart home devices, providing versatile control and reliable performance.

Working Principle of LTC1438XCG#TRPBF

The LTC1438 is a programmable DC/DC switching controller with power conversion enabled by pulse-width modulated (PWM) digital control. It operates within an input voltage range from 3.3-15V and provides an adjustable output voltage of up to 42V. It also has a range of built-in protection features, such as over temperature, over voltage and low voltage lockout, for improved reliability and safety. The main components of a system using the LTC1438 are the PWM controller, power switch, DC power source, and the load. The LTC1438 senses the level of the output voltage, and adjusts the pulse width of the digital control signal accordingly. This in turn controls the power switch, so that the output voltage remains at the correct level, while optimizing power efficiency.

Conclusion

The LTC1438XCG#TRPBF is a cutting-edge device suitable for a broad range of applications, from portable and automotive electronics to home appliances and industrial automation. It provides comprehensive protection features while offering excellent efficiency through the use of digital control. As a result, it is an ideal choice for power conversion and management solutions in complex systems.

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