LTC1628IUH#TRPBF

Frequency - Switching:	220kHz
Base Part Number:	LTC1628
Supplier Device Package:	32-QFN (5x5)
Package / Case:	32-WFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable, Frequency Control, Power Good, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	99.4%
Series:	--
Voltage - Supply (Vcc/Vdd):	3.5 V ~ 30 V
Output Phases:	2
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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LTC1628IUH#TRPBF Application Field and Working Principle

Introduction

LTC1628IUH#TRPBF is a type of DC/DC switching controller produced by LinearTechnology. It is a high-performance, monolithic pulse-width-modulated switching regulator that is capable of providing both poilt-fading and forced-fading mode circuits. This product is characterized by its high accuracy, power-saving operation, low on-resistance Ron, low output voltage ripple, and wide input voltage range.

Application Fields

LTC1628IUH#TRPBF can be used in a wide range of applications, including computer systems, communication systems, industrial control, and wireless system. In addition, it is suitable for various applications, such as load switching, backup power supply, and auxiliary power source. It is also suitable for power control solutions, providing good thermal management.

Working Principle

The working principle of LTC1628IUH#TRPBF is based on its Pulse-Width Modulation (PWM) technique. It utilizes an internal high-speed comparator and oscillator circuit to generate an internal fixed frequency square wave. This square wave is then used to control the output voltage. The pulse-width modulation technique is ideal for providing a constant output voltage and maintains very low output voltage ripple.The oscillator and comparator generate a pulsey signal in the form of a positive and negative edge/pulse. Depending upon the input voltage and load conditions, the PWM control ensures that the output voltage is maintained constant, regardless of operating conditions.

Conclusion

In conclusion, LTC1628IUH#TRPBF is an efficient and effective high-performance DC/DC switching controller. It provides a wide range of applications and is suitable for computer and communication systems, industrial control, and power control solutions. Its working principle is based on pulse-width modulation and it is capable of providing constant output voltage and maintains low output voltage ripple.

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