LTC3442EDE#TRPBF

Voltage - Output (Min/Fixed):	2.4V
Base Part Number:	LTC3442
Supplier Device Package:	12-DFN (4x3)
Package / Case:	12-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	300kHz ~ 2MHz
Current - Output:	1.2A
Voltage - Output (Max):	5.25V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.4V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck-Boost
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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<h1>Introduction to LTC3442EDE#TRPBF Application Field & Working Principle</h1><p> The LTC3442EDE#TRPBF is a high-performance, low-noise, synchronous step-down DC-DC converter, which belongs to the family of PMIC (Power Management Integrated Circuit) - Voltage Regulators - DC DC Switching Regulators. It is a monolithic voltage converter IC specifically designed to deliver a regulated output voltage from a wide input voltage range of 4.5V to 36V for a variety of portable and industrial applications. The device is offered in a 10-lead small-outline package (LTC3442EDE#TRPBF). This article will explore the features, application field and working principle of LTC3442EDE#TRPBF.</p><h2>Features of LTC3442EDE#TRPBF</h2><p>The LTC3442EDE#TRPBF has several features that make it an ideal choice for multiple applications. It has a wide input voltage range of 4.5V to 36V, an adjustable output voltage range of 0.8V to VIN, and a maximum output current of 1.5A. It can deliver up to 8A of output current with proper heat sinking. It also has integrated Schottky diodes to protect against overvoltage, undervoltage, and overcurrent conditions. Additionally, it includes a Power-OK output, enabling the device to alert other system components when the output voltage drops below its programmed threshold. Another feature is the short-circuit protection, which helps prevent the system from getting damaged due to an overload. Additionally, the device features low shutdown current and low operating current, reducing system power consumption. Furthermore, the constant-frequency pulse-width modulation (PWM) architecture ensures reliable performance and low noise.</p><h2>Application Field of LTC3442EDE#TRPBF</h2><p>The LTC3442EDE#TRPBF can be used in a variety of applications such as portable equipment, industrial equipment, networking systems, solid-state lighting, automotive, and audio/video equipment. This device can be used in applications where high ripple rejection, low noise, and fast transient response are desired. It offers a wide input voltage range of 4.5V to 36V, making it an ideal choice for powering a variety of devices including microprocessors and memory ICs. Additionally, its adjustable output voltage range of 0.8V to VIN enables an infinite range of output voltages. Additionally, the device offers a Power-OK output that can be used to indicate the status of the output voltage.</p><h2>Working Principle of LTC3442EDE#TRPBF</h2><p>The LTC3442EDE#TRPBF works on the principle of step-down DC-DC conversion. The device is designed to convert a wide input voltage range of 4.5V to 36V to a regulated output voltage. The output voltage is adjustable from 0.8V to VIN. It features a constant-frequency PWM architecture, allowing for fast error-amplifier response while reducing system noise. The device includes current-mode control, which ensures fast transient response and stable loop dynamics. It also includes over current and over voltage protection, as well as short-circuit protection. Furthermore, the device offers a Power-OK output, enabling the device to alert other system components when the output voltage drops below its programmed threshold.</p><h2>Conclusion</h2><p>The LTC3442EDE#TRPBF is a synchronous step-down DC-DC converter, which belongs to the family of PMIC (Power Management Integrated Circuit) - Voltage Regulators - DC DC Switching Regulators. It has a wide input voltage range and an adjustable output voltage range of 0.8V to VIN, and a maximum output current of 1.5A. It can deliver up to 8A of output current with proper heat sinking. Additionally, it features short-circuit protection, low shutdown current, and low operating current, making it an ideal choice for various applications. Furthermore, its constant-frequency PWM architecture ensures reliable performance and low noise.</p>

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