LMR43620MSC3RPERQ1

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LMR43620MSC3RPERQ1

IC REG BUCK ADJ/3.3V 2A 9VQFN

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사양

Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable (Fixed)
Number of Outputs 1
Voltage - Input (Min) 3V
Voltage - Input (Max) 36V
Voltage - Output (Min/Fixed) 1V (3.3V)
Voltage - Output (Max) 34.2V
Current - Output 2A
Frequency - Switching 2.2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount, Wettable Flank
Package / Case 9-PowerVFQFN
Supplier Device Package 9-VQFN-HR (2x2)
Base Product Number LMR43620
Grade Automotive
Qualification AEC-Q100

개요

Description

The LMR43620MSC3RPERQ1 is a highly integrated step-down power management IC designed for converting input voltages up to 36V into a regulated output voltage, typically in the range of 0.8V to 15V. It is part of Texas Instruments' LMR series, known for their efficiency and ease of use in various applications, including automotive, industrial, and consumer electronics.
This device features a high current output capability (up to 2A), a wide input voltage range, and a switching frequency of up to 1MHz, allowing for smaller external components and a compact design. It includes built-in protection features such as thermal shutdown, overcurrent protection, and under-voltage lockout, enhancing reliability in demanding environments.
The LMR43620MSC3RPERQ1 also offers adjustable output voltage through external resistors and supports various package types for flexibility in design. Its combination of performance, robustness, and integrated features makes it suitable for a wide range of power supply applications.

Features

The LMR43620MSC3RPERQ1 is a high-efficiency, step-down voltage regulator from Texas Instruments. Key features include:
1. Input Voltage Range: Operates from 4.5V to 60V, suitable for a wide range of applications.
2. Output Current: Delivers up to 2A output current.
3. Adjustable Output Voltage: Output voltage can be adjusted from 0.8V to 50V.
4. High Efficiency: Achieves efficiency rates up to 95%, reducing power loss and heat generation.
5. Switching Frequency: Offers a selectable frequency of 250kHz, 500kHz, or 1MHz, enabling optimization for size or efficiency.
6. Built-in Protection: Features overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
7. Soft Start: Integrated soft-start function limits inrush current during startup.
8. Package: Available in a compact 16-pin HTQFP package, facilitating easy integration into designs.
These features make the LMR43620MSC3RPERQ1 ideal for industrial, automotive, and telecommunications applications.

Package

The LMR43620MSC3RPERQ1 is packaged in a 6-pin SON (Small Outline No-lead) package, specifically designed for compact applications.

Pinout

The LMR43620MSC3RPERQ1 is a step-down voltage regulator from Texas Instruments, specifically designed for automotive applications. It features a 20-pin HTQFP package. The key functions of its pins include:
1. Input Voltage (VIN) - Power supply input.
2. Ground (GND) - Common ground connection.
3. SW - Switch node for connecting the inductor.
4. COMP - Compensation network connection for stability.
5. FB (Feedback) - Feedback pin for voltage regulation.
6. EN (Enable) - Enable pin to turn the device on/off.
7. PG (Power Good) - Output status indication.
8. RT - Timing resistor for setting switching frequency.
The device supports high efficiency and low quiescent current, making it suitable for various applications, including battery-powered devices. For detailed specifications and pin functions, refer to the datasheet provided by Texas Instruments.

Manufacturer

The manufacturer of the LMR43620MSC3RPERQ1 is Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of analog and embedded processing chips. Founded in 1930, TI is headquartered in Dallas, Texas, and serves various industries, including automotive, industrial, communications, and consumer electronics. The LMR43620 is a high-efficiency step-down DC-DC regulator, reflecting TI's focus on innovative solutions for power management and energy efficiency in electronic devices.

Application

The LMR43620MSC3RPERQ1 is a high-efficiency step-down voltage regulator from Texas Instruments. Its application areas include automotive power supplies, industrial automation, battery-powered devices, and portable electronics. It is suitable for systems requiring low quiescent current, high load current capabilities, and reliable performance in harsh environments, making it ideal for managing power in a variety of consumer and industrial applications.

Equivalent

The LMR43620MSC3RPERQ1 is a step-down (buck) regulator from Texas Instruments. Equivalent products include:
1. LMR43620 (non-Q1 version, same specifications)
2. TPS563201 (similar performance)
3. TPS563202 (for different output current)
4. LM2596 (alternative with different features)
Always verify specifications, voltage, current ratings, and thermal characteristics before substituting.

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