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MAX8581ETB+ Datasheet (PDF) - Maxim Integrated Products
MAX8581ETB+ Datasheet PDF - Maxim Integrated Products
Part # MAX8581ETB+
Download  MAX8581ETB+ Download
File Size   263.88 Kbytes
Page   9 Pages
Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products
Description 2.5MHz/1.5MHz Step-Down Converters with 60m ohm Bypass in TDFN for CDMA PA Power

MAX8581ETB+ Datasheet (PDF)

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MAX8581ETB+ Datasheet PDF - Maxim Integrated Products

Part # MAX8581ETB+
Download  MAX8581ETB+ Click to download

File Size   263.88 Kbytes
Page   9 Pages
Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products
Description 2.5MHz/1.5MHz Step-Down Converters with 60m ohm Bypass in TDFN for CDMA PA Power

MAX8581ETB+ Datasheet (HTML) - Maxim Integrated Products


MAX8581ETB+ Product details

General Description
The MAX8581/MAX8582 high-frequency step-down converters are optimized for dynamically powering the power amplifier (PA) in CDMA handsets. They integrate a highefficiency PWM step-down converter for medium- and low-power transmission and a 60mΩ (typ) bypass mode to power the PA directly from the battery during high power transmission. They use an analog input driven by an external DAC to control the output voltage linearly for continuous PA power adjustment. The MAX8581/MAX8582 use an internal feedback network, and the switching frequency is internally set to 2.5MHz and 1.5MHz, respectively.

Features
♦ 600mA Step-Down Converter
♦ 60mΩ (typ) Bypass Mode with Integrated FET
♦ Dynamically Adjustable Output from 0.4V to VIN
♦ 2.5MHz and 1.5MHz Switching Frequency
♦ Small LC Components: 1.5µH to 3.3µH and 2.2µF
♦ Up to 94% Efficiency
♦ Low Output Ripple at All Loads
♦ 2.7V to 5.5V Input
♦ 0.1µA Shutdown Mode
♦ Output Short-Circuit Protection
♦ Thermal Shutdown
♦ 10-Pin, 3mm x 3mm TDFN Packages

Applications
    WCDMA/NCDMA Cell Phones
    Wireless PDAs, Smartphones




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About Maxim Integrated Products

Maxim Integrated Products is a publicly traded company that designs, develops, and sells a wide range of high-performance analog and mixed-signal integrated circuits (ICs).
The company was founded in 1983 and is headquartered in San Jose, California.
Maxim Integrated Products serves customers in a variety of markets, including communications, computing, consumer, industrial, medical, and automotive.
The company offers a comprehensive portfolio of products, including data converters, amplifiers and comparators, power management ICs, microcontrollers, security and protection devices, and sensors, among others.
Maxim Integrated Products is dedicated to innovation and customer satisfaction, and is committed to delivering high-quality, reliable solutions to its customers.
With a focus on energy efficiency and sustainability, Maxim Integrated Products is at the forefront of the semiconductor industry, driving technological advancements in the fields of analog and mixed-signal ICs.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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