MIC38C45-1BM-TR

Frequency - Switching:	500kHz
Base Part Number:	MIC38C45
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	50%
Series:	--
Voltage - Supply (Vcc/Vdd):	7.6 V ~ 20 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck, Boost, Flyback, Forward Converter
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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；Mic38C45-1BM-TR is a monolithic integrated circuit used in many DC-DC converters. It is a pulse width modulation (PWM) controller designed to drive transformer core-type dc-dc switching power supplies. It is one of the most widely used products in the field of power management integrated circuits (PMIC).

Introduction

Mic38C45-1BM-TR is a high-performance monolithic integrated circuit used in switches power supplies. It handles PWM control and can be used to drive different types of transformer core dc-dc switching converters. It is a high-frequency, high-performance PWM controller that can provide up to 15A continuous output current and up to 100 kHz switching frequency. It is ideal for use in applications ranging from personal computers and industrial machines to telecommunications, consumer electronics, and various other related applications.

Features

Mic38C45-1BM-TR offers a variety of features that make it suitable for a wide range of applications. It has an adjustable soft-start feature, which allows the converter to start up smoothly and minimize in-rush current. It also has an adjustable slope compensation, which improves the power supply\'s transient response. The device has excellent line and load regulations, making it ideal for use in applications with widely varying input voltage levels. The device also has a built-in over current protection circuit, which prevents damage due to overload conditions.

Functionality

The Mic38C45-1BM-TR is a high-frequency PWM controller that converts a direct current (DC) input voltage into a pulse width modulated (PWM) output voltage. The output voltage can then be used to drive a step-up DC-DC converter, whose topology is determined by the design of the transformer core. The controller uses a hysteretic comparator to compare the feedback voltage with an internally generated voltage reference, and then adjusts the PWM duty cycle accordingly. This adjustment of the PWM duty cycle defines the transformer\'s primary-side current waveform, which, in turn, controls the transformer\'s secondary-side voltage.

Applications

The Mic38C45-1BM-TR is a versatile PWM controller, and can be used in a variety of applications. It is ideal for driving transformer core-type dc-dc switching converters for use in applications ranging from personal computers and industrial equipment to telecommunications, consumer electronics, drive systems, and many more.

Conclusion

The Mic38C45-1BM-TR is a high-performance PWM controller designed for use in transformer core-type DC-DC switching converters. It has a lot of advanced features, such as adjustable soft-start, adjustable slope compensation, and line regulation, which make it suitable for use in a variety of applications. With its easy to use configuration and excellent performance, the Mic38C45-1BM-TR is an excellent choice for power management applications in today\'s market.

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