MIC38C45BM-TR

Product Overview

Category

MIC38C45BM-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management and control applications.

Characteristics

• Integrated circuit
• Power management and control functionality
• Small form factor
• High efficiency
• Low power consumption

Package

MIC38C45BM-TR is available in a compact surface-mount package, which facilitates easy integration into various electronic systems.

Essence

The essence of this product lies in its ability to efficiently manage and control power in electronic devices, ensuring optimal performance and reliability.

Packaging/Quantity

MIC38C45BM-TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input voltage range: 4.5V - 40V
• Output voltage range: 0.8V - 37V
• Maximum output current: 3A
• Operating temperature range: -40°C to +125°C
• Switching frequency: 500kHz

Detailed Pin Configuration

MIC38C45BM-TR features the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for voltage regulation
4. COMP: Compensation pin for stability control
5. EN: Enable pin for device activation
6. SS/TR: Soft-start/Tracking pin for gradual startup and tracking functions
7. RT: Timing resistor pin for adjustable switching frequency
8. CT: Timing capacitor pin for adjustable switching frequency
9. SW: Switch node for power transfer

Functional Features

• Voltage regulation: MIC38C45BM-TR ensures stable output voltage within the specified range.
• Current limiting: The device incorporates current limiting functionality to protect the circuit from excessive current.
• Soft-start: The soft-start feature allows for gradual startup, reducing stress on components during power-up.
• Tracking: MIC38C45BM-TR offers tracking functionality to synchronize multiple power supplies.
• Over-temperature protection: The device includes over-temperature protection to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Compact form factor enables easy integration into various electronic systems.
• Wide input and output voltage ranges provide flexibility in different applications.
• Comprehensive protection features enhance system reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external timing resistor and capacitor for adjustable switching frequency.

Working Principles

MIC38C45BM-TR operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal power switch. This control mechanism ensures efficient power transfer and stable voltage regulation.

Detailed Application Field Plans

MIC38C45BM-TR finds applications in various fields, including but not limited to: 1. Power supplies for consumer electronics 2. Industrial automation systems 3. Automotive electronics 4. LED lighting systems 5. Battery charging circuits

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC38C45BM-TR include: 1. LT3845 - A high-performance PWM controller with wide input voltage range. 2. LM5117 - A synchronous buck controller with integrated MOSFET drivers. 3. TPS54332 - A step-down converter with adjustable switching frequency.

These alternative models can be considered based on specific application requirements and design constraints.

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