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MAX8521ETP+

Name: MAX8521ETP+
Rating: 4.7 (12 reviews)

IC DRVR PWR TEC 20-TQFN

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資料表 MAX8521ETP+ DataSheet
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規格

Part Status	Active
Applications	Thermoelectric Cooler
Voltage - Supply	3V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	20-WQFN Exposed Pad
Supplier Device Package	20-TQFN (5x5)
Base Product Number	MAX8521

概述

Description

The MAX8521ETP+ is a high-performance, low-dropout (LDO) linear voltage regulator designed for portable electronics. It features a low quiescent current, making it ideal for battery-powered devices. The device can deliver a maximum output current of 1A and supports a wide input voltage range from 2.5V to 5.5V, providing flexibility for various applications.
Key features include low output voltage options as low as 1.2V, excellent load and line regulation, and a compact package that minimizes space on PCBs. The MAX8521ETP+ also integrates a thermal shutdown feature and short-circuit protection, ensuring robust operation under varying conditions. Its low output noise makes it suitable for sensitive analog circuits and RF applications.
With its efficiency and reliability, the MAX8521ETP+ is commonly used in smartphones, tablets, and other portable devices, helping to extend battery life while providing stable power supply.

Features

The MAX8521ETP+ is a high-performance, low quiescent current, step-up (boost) DC-DC converter designed for powering devices requiring high efficiency and compact size. Key features include:
1. Input Voltage Range: Operates from 1.8V to 5.5V, making it suitable for single-cell lithium-ion batteries and various low-voltage applications.
2. Output Voltage: Adjustable output voltage up to 5.25V.
3. High Efficiency: Achieves up to 95% efficiency, reducing power loss and extending battery life.
4. Low Quiescent Current: Only 2µA in shutdown mode, enhancing battery performance in portable applications.
5. Switching Frequency: Operates at a fixed frequency of 1MHz, allowing for smaller external components.
6. Built-in Protection: Features include overcurrent protection and thermal shutdown.
7. Compact Package: Available in a 5-pin SOT23 package, ideal for space-constrained designs.
These features make the MAX8521ETP+ suitable for portable devices, LED drivers, and battery-powered systems.

Package

The MAX8521ETP+ is packaged in a 16-pin TQFN (Thin Quad Flat No-lead) package.

Pinout

The MAX8521ETP+ is a dual-output, step-down (buck) DC-DC converter with a pin count of 16. It is designed to efficiently convert input voltages to lower output voltages suitable for powering various electronic devices.
Key functions include:
1. Buck Converter Outputs: Provides two adjustable output voltages.
2. Power Good Indicator: Indicates when the output voltage is within the specified range.
3. Enable Inputs: Allows for enabling/disabling the outputs.
4. Compensation Pin: Used for feedback compensation to stabilize the regulator.
5. Switching Frequency Adjustment: Sets the operational frequency of the converters.
6. Input Voltage Range: Typically accepts input voltages from 2.5V to 5.5V.
The device is suitable for applications requiring low power consumption and high efficiency, such as portable electronics and battery-powered devices. For detailed specifications and pin configurations, refer to the manufacturer's datasheet.

Manufacturer

The MAX8521ETP+ is manufactured by Analog Devices, Inc. Analog Devices is a global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company designs and produces a wide range of semiconductor solutions used in various applications, including communications, automotive, industrial, and consumer electronics. Analog Devices focuses on innovation and quality, catering to the needs of engineers and designers in highly technical fields.

Application

The MAX8521ETP+ is a high-performance, low-noise, low-dropout (LDO) voltage regulator. Its application areas include powering RF circuits, battery-operated devices, portable electronics, communication equipment, and precision analog components. It is ideal for applications requiring low dropout voltage and high power supply rejection ratio (PSRR), ensuring stable voltage output in sensitive environments.

Equivalent

The MAX8521ETP+ chip is a high-efficiency, step-down (buck) DC-DC converter. Equivalent products include:
1. LM2596 (Texas Instruments)
2. LM2675 (Texas Instruments)
3. TPS54060 (Texas Instruments)
4. LTC3639 (Analog Devices)
5. MICREL MIC2288 (Microchip)
Ensure to check specifications like output voltage, current rating, and package type for compatibility.