仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Function | Step-Up, Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck, Boost, Buck-Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 0.5V |
| Voltage - Output (Max) | 36V |
| Current - Output | 2.5A |
| Frequency - Switching | 200kHz ~ 2.2MHz |
| Synchronous Rectifier | Both |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The ISL85403FRZ-T is a high-efficiency DC-DC buck regulator from Renesas Electronics. Designed for applications requiring a compact and efficient power supply, it integrates a 3A synchronous step-down regulator with a wide input voltage range from 3V to 40V, making it suitable for a variety of applications, including industrial, automotive, and communications systems.
This regulator features an adjustable output voltage down to 0.6V and operates at a fixed 500kHz switching frequency, optimizing the trade-off between efficiency and component size. The ISL85403FRZ-T offers robust protection features such as overcurrent protection, over-temperature protection, and a power-good indicator to ensure reliability and safety in demanding environments.
Its compact 4mm x 4mm DFN package with a thermally enhanced design facilitates efficient heat dissipation and space-saving board designs. The device's ease of use is complemented by its minimal external component requirements, making it an attractive option for designers seeking a straightforward, high-performance power solution.
This regulator features an adjustable output voltage down to 0.6V and operates at a fixed 500kHz switching frequency, optimizing the trade-off between efficiency and component size. The ISL85403FRZ-T offers robust protection features such as overcurrent protection, over-temperature protection, and a power-good indicator to ensure reliability and safety in demanding environments.
Its compact 4mm x 4mm DFN package with a thermally enhanced design facilitates efficient heat dissipation and space-saving board designs. The device's ease of use is complemented by its minimal external component requirements, making it an attractive option for designers seeking a straightforward, high-performance power solution.
Equivalent
The ISL85403FRZ-T is a step-down (buck) switching regulator. Equivalent products would typically include similar buck regulators from other manufacturers with comparable specifications, such as the LM2596 from Texas Instruments, the MP1584 from MPS (Monolithic Power Systems), and the MAX17502 from Maxim Integrated. These alternatives provide similar functionality in terms of input voltage range, output current capability, and efficiency. Always verify specific requirements to ensure compatibility.
Features
The ISL85403FRZ-T is a high-performance, step-down switching regulator from Renesas Electronics. It operates over a wide input voltage range of 3V to 40V and is capable of delivering up to 300mA of output current. This device features a high-efficiency synchronous buck converter design with integrated high-side and low-side FETs, which helps minimize power loss and enhance efficiency.
Key features include a 500kHz fixed switching frequency for small external component size, internal compensation, and a soft-start function to limit inrush current during startup. It also offers a power-good output for easy monitoring, a precision enable input for device control, and overcurrent protection with hiccup mode. The thermal shutdown feature ensures protection against overheating.
The ISL85403FRZ-T is housed in a compact 8-Lead DFN package, making it suitable for space-constrained applications such as industrial and consumer electronics. Its robust design, combined with wide input voltage flexibility, makes it ideal for a variety of power management tasks.
Key features include a 500kHz fixed switching frequency for small external component size, internal compensation, and a soft-start function to limit inrush current during startup. It also offers a power-good output for easy monitoring, a precision enable input for device control, and overcurrent protection with hiccup mode. The thermal shutdown feature ensures protection against overheating.
The ISL85403FRZ-T is housed in a compact 8-Lead DFN package, making it suitable for space-constrained applications such as industrial and consumer electronics. Its robust design, combined with wide input voltage flexibility, makes it ideal for a variety of power management tasks.
Pinout
The ISL85403FRZ-T is a step-down DC/DC converter designed by Renesas Electronics. It features a compact 4mm x 3mm 12-lead DFN package, making it suitable for space-constrained applications. The device operates over a wide input voltage range and is capable of delivering up to 300mA of continuous output current. Its primary function is to efficiently convert a higher input voltage to a lower output voltage, making it ideal for use in various power management applications.
The ISL85403FRZ-T includes built-in features such as an integrated high-side MOSFET, fixed-frequency current-mode control, internal compensation, and protection mechanisms like overcurrent and thermal shutdown. This DC/DC converter is designed for high efficiency and low quiescent current, optimizing power usage in battery-powered and portable applications.
For precise information regarding pinout and detailed specifications, consulting the official datasheet from Renesas Electronics is recommended.
The ISL85403FRZ-T includes built-in features such as an integrated high-side MOSFET, fixed-frequency current-mode control, internal compensation, and protection mechanisms like overcurrent and thermal shutdown. This DC/DC converter is designed for high efficiency and low quiescent current, optimizing power usage in battery-powered and portable applications.
For precise information regarding pinout and detailed specifications, consulting the official datasheet from Renesas Electronics is recommended.
Manufacturer
The ISL85403FRZ-T is manufactured by Renesas Electronics Corporation. Renesas is a multinational semiconductor company that designs and manufactures a wide range of electronic components. They specialize in microcontrollers, system-on-chip (SoC) solutions, and a variety of analog and power products. Renesas serves numerous industries, including automotive, industrial, consumer electronics, and communications, providing solutions that enable advanced computing and digital control systems.
Application
The ISL85403FRZ-T is a versatile buck regulator IC designed for various applications. It is typically used in:
1. Consumer Electronics: Powering devices like TVs, set-top boxes, and gaming consoles.
2. Industrial Equipment: Providing efficient power conversion for industrial automation and control systems.
3. Communications: Supporting power requirements in telecom and networking equipment.
4. Computing: Used in computers and related peripherals to ensure stable power supply.
5. Embedded Systems: Integrated into microcontroller-based systems for efficient power management.
Its features like high efficiency, wide input voltage range, and compact form factor make it suitable for these applications.
1. Consumer Electronics: Powering devices like TVs, set-top boxes, and gaming consoles.
2. Industrial Equipment: Providing efficient power conversion for industrial automation and control systems.
3. Communications: Supporting power requirements in telecom and networking equipment.
4. Computing: Used in computers and related peripherals to ensure stable power supply.
5. Embedded Systems: Integrated into microcontroller-based systems for efficient power management.
Its features like high efficiency, wide input voltage range, and compact form factor make it suitable for these applications.
Package
The ISL85403FRZ-T is packaged in a 4mm x 4mm, 24-lead QFN (Quad Flat No-Lead) package.
