RT7272BGSP

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RT7272BGSP

IC REG BUCK ADJ 3A 8SOP

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規格

Package Tape & Reel (TR)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 36V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 30V
Current-Output 3A
Frequency-Switching 500kHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width) Exposed Pad

概述

Description

The RT7272BGSP is a high-efficiency, synchronous step-down DC-DC converter designed for use in various electronic applications. It features an input voltage range, typically around 4.5V to 18V, making it suitable for a wide range of power sources. The device offers an adjustable output voltage, which can be set via external resistors, and delivers up to 2A of output current.
Key features of the RT7272BGSP include its high efficiency, often over 90%, due to its synchronous rectification, which reduces power loss. It also supports features such as over-current protection, under-voltage lockout, and thermal shutdown to ensure reliable operation and protection of the device and connected components.
The converter is housed in a compact package, often a SOT-23-6 or similar, allowing for efficient space utilization in PCB designs. Its switching frequency is usually adjustable, providing flexibility in design and performance optimization. The RT7272BGSP is commonly used in applications like portable devices, distributed power systems, and other electronics requiring efficient power conversion.

Features

The RT7272BGSP is a high-efficiency, synchronous step-down DC-DC converter. Key features of this device include:
1. Input Voltage Range: Operates efficiently with an input voltage range from 4.5V to 18V, accommodating a variety of applications.
2. Output Voltage: Capable of delivering an adjustable output voltage as low as 0.8V, which allows for flexibility in powering different components.
3. Output Current: Can provide up to 2A of continuous output current, making it suitable for powering moderate loads.
4. Efficiency: Features a high efficiency of up to 95%, ensuring minimal power loss and heat generation during operation.
5. Switching Frequency: Operates at a fixed 500kHz switching frequency, optimizing the balance between efficiency and component size.
6. Protection Features: Includes built-in protection mechanisms such as over-current protection (OCP), over-temperature protection (OTP), and under-voltage lockout (UVLO), enhancing reliability and safety.
7. Thermal Performance: Designed with thermal shutdown capability to prevent overheating, ensuring the device remains within safe operating temperatures.
8. Package: Available in a compact SOP-8 package, facilitating easy integration into PCB designs.
These features make the RT7272BGSP suitable for a wide range of applications, including consumer electronics and industrial equipment.

Package

The RT7272BGSP is typically available in a SOT-23-6 package. This is a small outline transistor package with six leads, commonly used for surface-mount applications.

Pinout

The RT7272BGSP is a synchronous step-down converter IC, commonly used in power management applications. It typically comes in an 8-pin SOP-8 package. Here's a brief overview of its pin functions:
1. VIN: Input voltage supply pin.
2. SW: Switch output pin connected to the inductor and diode.
3. GND: Ground pin.
4. BOOT: Bootstrap pin for the high-side driver.
5. FB: Feedback pin for output voltage regulation.
6. EN: Enable pin to turn the device on or off.
7. COMP: Compensation pin for the control loop.
8. RT: Resistor timing pin to set the switching frequency.
These pins together allow the RT7272BGSP to efficiently step down higher input voltages to lower output voltages suitable for various electronic circuits. Always refer to the manufacturer's datasheet for detailed specifications and usage guidelines.

Manufacturer

The RT7272BGSP is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in the design and manufacture of analog and mixed-signal integrated circuits. They provide a wide range of power management solutions, including DC-DC converters, LED drivers, and battery management systems. The company is known for its innovation in power management technology, catering to various sectors such as consumer electronics, computers, communications, and industrial applications.

Application

The RT7272BGSP is a synchronous step-down converter used in applications requiring efficient voltage regulation. It is suitable for use in battery-powered devices, networking equipment, and industrial automation systems. Its compact design and high efficiency make it ideal for smartphones, tablets, and portable electronics. Additionally, it can be used in telecommunications systems and automotive electronics where stable power supply is crucial.

Equivalent

The RT7272BGSP is a step-down DC-DC converter from Richtek. Equivalent products include:
1. TPS54331 from Texas Instruments
2. LM2596 from Texas Instruments
3. MP1584 from Monolithic Power Systems
4. AP1509 from Diodes Incorporated
These alternatives offer similar functionalities in terms of voltage regulation, current output, and efficiency. However, always check the specific requirements and specifications for compatibility.

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