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RT8075ZQW

Name: RT8075ZQW
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 1A DL 10WDFN

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資料表 RT8075ZQW DataSheet
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規格

Part Status	Active
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	2
Voltage - Input (Min)	2.5V
Voltage - Input (Max)	5.5V
Voltage - Output (Min/Fixed)	0.6V
Voltage - Output (Max)	5.5V
Current - Output	1A
Frequency - Switching	1.25MHz
Synchronous Rectifier	Yes
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	10-WFDFN Exposed Pad
Supplier Device Package	10-WDFN (3x3)
Base Product Number	RT8075

概述

Description

The RT8075ZQW is a high-efficiency, synchronous buck regulator designed for compact power management solutions. It features a wide input voltage range, typically from 4.5V to 20V, making it suitable for various applications, including laptops, tablets, and other portable electronic devices. The device is capable of delivering high output currents, up to 3A, while maintaining low output ripple and high conversion efficiency.
Key features include adjustable output voltage, over-current protection, thermal shutdown, and built-in soft-start functionality to mitigate inrush current. The RT8075ZQW utilizes a continuous conduction mode (CCM) for stable performance under varying load conditions.
Its compact QFN (Quad Flat No-lead) package allows for space-saving PCB designs, making it ideal for modern electronics where size and efficiency are critical. Overall, the RT8075ZQW is an effective choice for designers seeking reliable voltage regulation in power-sensitive applications.

Features

The RT8075ZQW is a high-efficiency, synchronous buck DC-DC converter designed to deliver up to 2A output current. Key features include:
1. Input Voltage Range: 4.5V to 23V, making it suitable for a variety of power sources.
2. Output Voltage: Adjustable output voltage from 0.8V to 20V via external resistors.
3. High Efficiency: Up to 95% efficiency, which helps in reducing heat generation.
4. Switching Frequency: Fixed frequency of 500kHz, enabling smaller inductor and capacitor sizes.
5. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown for enhanced reliability.
6. Power Good Indicator: Provides a power good signal to monitor output voltage status.
7. Package: Offered in a compact SOP-8 package, facilitating easy integration into various applications.
These features make the RT8075ZQW ideal for portable devices, handheld applications, and other power-sensitive environments.

Package

The RT8075ZQW is packaged in a 5mm x 6mm QFN (Quad Flat No-lead) package.

Pinout

The RT8075ZQW is a step-down (buck) regulator with a pin count of 8. Its primary functions include:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground connection.
3. SW (Pin 3): Switch node for the internal power transistor.
4. FB (Pin 4): Feedback pin for voltage regulation.
5. COMP (Pin 5): Compensation network connection for stability.
6. EN (Pin 6): Enable pin to turn the device on/off.
7. SS (Pin 7): Soft-start pin to control the ramp-up of output voltage.
8. VOUT (Pin 8): Output voltage to the load.
The RT8075ZQW is designed for high efficiency and compact applications, supporting a wide input voltage range and providing a stable output voltage.

Manufacturer

The RT8075ZQW is manufactured by Richtek Technology Corporation, a company that specializes in power management solutions. Founded in 2008 and headquartered in Hsinchu, Taiwan, Richtek designs and produces a variety of integrated circuits (ICs) used in applications such as power supplies, battery management, and LED drivers. The company is known for its focus on providing efficient and high-performance power management products, catering to a range of industries including consumer electronics, telecommunications, and automotive. Richtek is recognized for its innovative approach in the power IC market, offering solutions that enhance energy efficiency and system performance.

Application

The RT8075ZQW is a high-efficiency, step-down DC-DC converter primarily used in applications such as portable devices, consumer electronics, and battery-powered systems. It is suitable for powering microcontrollers, DSPs, FPGAs, and various sensors. Its compact design and adjustable output voltage make it ideal for space-constrained applications in automotive, industrial, and telecommunications sectors.

Equivalent

The RT8075ZQW is a step-down (buck) voltage regulator. Equivalent products include the LM2596, TPS563201, and MIC2941. These alternatives provide similar output voltage and current capabilities. Always verify specifications such as input/output voltage ranges, current ratings, and thermal performance to ensure compatibility with your application.