RT8458AGJ6

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RT8458AGJ6

+BOM

IC LED DRVR OFFL ANALOG TSOT23-6

  • Nhà sản xuấtRichtek USA Inc.

  • Ông. Phần #RT8458AGJ6

  • Bảng dữ liệu RT8458AGJ6 DataSheet

  • Có sẵn6770

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Obsolete
Type AC DC Offline Switcher
Topology Step-Down (Buck)
Internal Switch(s) No
Number of Outputs 1
Voltage - Supply (Min) 17V
Voltage - Supply (Max) 31V
Frequency 47kHz
Dimming Analog
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case SOT-23-6 Thin, TSOT-23-6
Supplier Device Package TSOT-23-6
Base Product Number RT8458

Tổng quan

Description

The RT8458AGJ6 is a high-efficiency buck regulator designed for step-down power supply applications. It features a wide input voltage range, making it suitable for various power sources. The device is capable of delivering high output current while maintaining low ripple and high stability, which is crucial for powering sensitive electronics.
Key specifications include a switching frequency that can be adjusted to optimize efficiency and minimize electromagnetic interference (EMI). The RT8458AGJ6 also incorporates various protection features, such as over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation under diverse conditions.
This regulator is particularly well-suited for applications in consumer electronics, telecommunications, and industrial equipment, where efficient power management is essential. Its compact size and ease of integration make it an attractive choice for modern electronic designs.

Equivalent

The RT8458AGJ6 is a voltage regulator chip primarily used for power management in various applications. Equivalent products include the TPS63020 from Texas Instruments, the LTC3700 from Analog Devices, and the MICROPIR from Microchip Technology. These alternatives offer similar features, such as buck-boost functionality and comparable efficiency ratings. Always verify specific electrical characteristics and pin configurations when considering replacements.

Features

The RT8458AGJ6 is a high-efficiency DC-DC buck converter designed for a variety of applications. Key features include:
1. Input Voltage Range: Supports a wide input voltage range, typically from 4.5V to 28V, making it versatile for different power sources.
2. Output Current: Capable of delivering up to 3A continuous output current.
3. Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to 20V, allowing for flexibility in application.
4. High Efficiency: Offers high efficiency (up to 95%) across different load conditions, reducing heat generation.
5. Built-in Compensation: Features internal compensation to simplify circuit design and improve transient response.
6. Protection Mechanisms: Includes over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown for enhanced reliability.
7. Small Package: Available in a compact package type, suitable for space-constrained designs.
These features make the RT8458AGJ6 suitable for applications such as point-of-load (POL) conversion and battery-powered devices.

Pinout

The RT8458AGJ6 is a highly integrated power management IC (PMIC) designed for use in various applications, including portable devices. It features a 10-pin package (MLP-10), with the following key pins and functions:
1. VIN: Input voltage.
2. GND: Ground reference.
3. VOUT: Output voltage.
4. EN: Enable pin to turn the IC on/off.
5. FB: Feedback pin for voltage regulation.
6. COMP: Compensation pin for stability.
7. SW: Switch pin connected to the inductor.
8. LX: Inductor connection for energy transfer.
9. PGND: Power ground for the internal switching circuit.
10. NC: No connection (not internally bonded).
These pins support the functionality of the RT8458AGJ6 in regulating output voltage and ensuring efficient power management in electronic circuits.

Manufacturer

The RT8458AGJ6 is manufactured by Richtek Technology Corporation. Richtek is a semiconductor company that specializes in the design and production of power management ICs (integrated circuits) and other electronic components. Founded in 2001 and headquartered in Hsinchu, Taiwan, Richtek focuses on providing high-performance solutions for various applications, including consumer electronics, computing, and communication devices. Their product portfolio includes voltage regulators, LED drivers, battery management ICs, and other power management solutions that cater to both consumer and industrial markets. The company is known for its innovation and commitment to delivering reliable and efficient power management solutions to meet the evolving needs of the electronics industry.

Application

The RT8458AGJ6 is a high-performance DC-DC buck converter primarily used in applications requiring efficient voltage regulation. Its application areas include battery-powered devices, consumer electronics, portable devices, and other embedded systems. It is suitable for powering microcontrollers, FPGAs, and other digital circuits, where precise voltage control and high efficiency are essential. Additionally, it can be employed in telecommunications, automotive systems, and industrial automation, ensuring stable power supply while maximizing energy efficiency.

Package

The RT8458AGJ6 is packaged in a 6-pin SOT-23 (SOT-23-6) surface-mount configuration.

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