MC34845BEP

Product Overview

Category: Integrated Circuit (IC)

Use: The MC34845BEP is a versatile integrated circuit used in various electronic devices for voltage regulation and power management.

Characteristics: - High efficiency - Low power consumption - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: The MC34845BEP is available in a small outline package (SOP) with 16 pins.

Essence: This IC is designed to provide stable and regulated power supply to different components within electronic devices, ensuring their proper functioning.

Packaging/Quantity: The MC34845BEP is typically sold in reels containing 250 units per reel.

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 0.8V to 3.6V
Maximum Output Current: 1.5A
Quiescent Current: 60µA (typical)
Operating Temperature Range: -40°C to 85°C

Pin Configuration

The MC34845BEP has the following pin configuration:

```

| | --| VOUT | --| VIN | --| GND | --| FB | --| EN | --| SS/TR | --| PG | --| COMP | --| ISET | --| BST | --| SW | --| AGND | --| PGND | --| VCC | |___________| ```

Functional Features

Voltage Regulation: The MC34845BEP provides precise voltage regulation, ensuring a stable output voltage regardless of input variations.
Overcurrent Protection: It incorporates overcurrent protection to safeguard the connected components from excessive current flow.
Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents overheating by shutting down the device when the temperature exceeds a certain threshold.
Adjustable Output Voltage: The output voltage can be easily adjusted using external resistors, allowing flexibility in different applications.
Efficiency and Low Power Consumption: The MC34845BEP offers high efficiency and low power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power wastage. - Wide input voltage range allows compatibility with various power sources. - Overcurrent and thermal shutdown protection enhance system reliability. - Adjustable output voltage provides versatility in different applications.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Requires additional external components for proper operation.

Working Principles

The MC34845BEP operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The input voltage is converted into a high-frequency square wave, which is then filtered and regulated to provide a stable output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the square wave to maintain the desired voltage level.

Application Field Plans

The MC34845BEP finds applications in various electronic devices, including but not limited to: 1. Mobile phones 2. Tablets 3. Portable media players 4. Digital cameras 5. Wireless communication devices

Alternative Models

MC34844BEP
MC34846BEP
MC34847BEP
MC34848BEP

These alternative models offer similar functionality and characteristics to the MC34845BEP, providing options for different design requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MC34845BEP v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MC34845BEP in technical solutions:

Q: What is MC34845BEP? A: MC34845BEP is a specific integrated circuit (IC) that is commonly used for power management applications.
Q: What are the main features of MC34845BEP? A: Some key features of MC34845BEP include multiple voltage regulators, overvoltage protection, undervoltage lockout, and thermal shutdown.
Q: What are the typical applications of MC34845BEP? A: MC34845BEP is often used in various technical solutions such as automotive systems, industrial control systems, consumer electronics, and telecommunications equipment.
Q: How many voltage regulators does MC34845BEP have? A: MC34845BEP has four voltage regulators, which can provide different output voltages depending on the requirements of the system.
Q: Can MC34845BEP handle high input voltages? A: Yes, MC34845BEP is designed to handle high input voltages up to a certain limit, typically around 40V.
Q: Does MC34845BEP have any built-in protection features? A: Yes, MC34845BEP includes overvoltage protection, undervoltage lockout, and thermal shutdown features to protect the IC and the connected components.
Q: Can MC34845BEP operate in harsh environments? A: Yes, MC34845BEP is designed to operate in a wide temperature range and can withstand harsh environmental conditions.
Q: Is MC34845BEP suitable for battery-powered applications? A: Yes, MC34845BEP is commonly used in battery-powered applications due to its low power consumption and efficient power management capabilities.
Q: Can MC34845BEP be used in parallel for higher power requirements? A: Yes, multiple MC34845BEP ICs can be used in parallel to provide higher power output if needed.
Q: Are there any evaluation boards or reference designs available for MC34845BEP? A: Yes, the manufacturer of MC34845BEP often provides evaluation boards and reference designs that can help engineers in implementing the IC in their technical solutions.

Please note that the answers provided here are general and may vary depending on the specific requirements and datasheet of MC34845BEP.