ISL8840AAUZ

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ISL8840AAUZ

+物料清單

SWITCHING REGULATOR, CURRENT-MOD

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90-日售後保障

正品保證

規格

屬性 價值
Package Bulk
ProductStatus Active
OutputType Transistor Driver
Function Step-Up, Step-Up/Step-Down
OutputConfiguration Positive, Isolation Capable
Topology Boost, Flyback
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 9V ~ 30V
Frequency-Switching Up to 2MHz
DutyCycle(Max) 96%
SynchronousRectifier No
ClockSync No
ControlFeatures Current Limit, Frequency Control
OperatingTemperature -40°C ~ 105°C (TA)
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

概述

Description

The ISL8840AAUZ is a single-phase, buck PWM controller designed for various power management applications. Manufactured by Renesas Electronics, it is part of the ISL8840 series, tailored for efficient power conversion in systems requiring reliable voltage regulation. This controller supports synchronous rectification, enhancing efficiency by minimizing power losses during conversion processes.
Key features of the ISL8840AAUZ include a wide input voltage range, adjustable output voltage, and robust protection mechanisms, such as over-current and over-voltage protection. It is typically used in applications like communication equipment, computing devices, and other electronics requiring stable and efficient power supplies.
The device is optimized for high-frequency operation, which allows for smaller external components and overall compact design implementations. It also integrates a precise voltage reference and error amplifier, ensuring accurate control over output voltage.
The ISL8840AAUZ is available in a compact, thermally efficient package, making it suitable for space-constrained applications. Its design emphasizes ease of use, reliability, and performance, catering to various power management needs in modern electronic systems.

Equivalent

The ISL8840AAUZ is a DC-DC controller typically used in power management applications. Equivalent products might include similar controllers from other manufacturers such as the TPS40192 from Texas Instruments, LTC3875 from Analog Devices, and LM3481 from Texas Instruments. When considering equivalents, ensure they match the electrical specifications and pin configuration of the ISL8840AAUZ to ensure compatibility with your application. Always verify with datasheets to confirm suitable replacements.

Features

The ISL8840AAUZ is a versatile PWM (Pulse Width Modulation) controller designed for DC-DC power conversion applications. Key features include:
1. Wide Input Voltage Range: It supports a broad input voltage range, making it suitable for various applications.
2. High Efficiency: The controller is designed for high efficiency, minimizing power loss in the conversion process.
3. Adjustable Output: It provides adjustable output voltage, allowing for flexible design configurations.
4. Protection Features: Includes overcurrent protection, overvoltage protection, and thermal shutdown to enhance safety and reliability.
5. Synchronization Capability: Offers synchronization capabilities for designs requiring precise timing and reduced interference.
6. Compact Package: Available in a compact package suitable for space-constrained applications.
7. Low Standby Current: Features low standby current to reduce power consumption when inactive.
8. Flexible Switching Frequency: Supports a wide range of switching frequencies to optimize performance according to design needs.
These features make the ISL8840AAUZ suitable for use in power management applications requiring robust performance and flexibility.

Pinout

The ISL8840AAUZ is an 8-pin integrated circuit. It is a precision voltage monitor designed to monitor undervoltage conditions in applications such as microprocessor-based systems. The device features an accurate undervoltage sensing with a programmable threshold. It includes a reference voltage, a comparator, and an open-drain output to indicate the undervoltage condition. The small number of pins allows it to be easily integrated into compact circuit designs, and it typically comes in an 8-lead MSOP package.
For detailed information on each pin's specific function, refer to the manufacturer's datasheet, as it will provide comprehensive guidance on how to use the device effectively in various applications.

Manufacturer

The ISL8840AAUZ is manufactured by Renesas Electronics Corporation. Renesas is a Japanese semiconductor company that specializes in the design, development, and manufacturing of a wide range of semiconductor products. These products include microcontrollers, analog and power devices, system-on-chips (SoCs), and other semiconductor solutions for various applications across automotive, industrial, infrastructure, and Internet of Things (IoT) sectors. Renesas is known for providing comprehensive solutions that integrate both hardware and software to address complex design challenges in the electronics industry.

Application

The ISL8840AAUZ is a switch-mode power supply controller primarily used in applications that require efficient power conversion. Typical application areas include DC-DC converters, battery-powered devices, telecommunications, industrial power supplies, and computing systems. It is ideal for use in systems that demand precise voltage regulation, such as portable electronics, networking equipment, and embedded systems. Its design supports synchronous rectification, which enhances efficiency, making it suitable for energy-conscious designs. Additionally, the ISL8840AAUZ can be employed in point-of-load (POL) converters and distributed power architectures, where space and efficiency are critical considerations.

Package

The ISL8840AAUZ is typically available in a 16-lead TSSOP (Thin Shrink Small Outline Package). This type of package is compact and suitable for surface-mount applications, offering a balance between size and performance for integrated circuits.