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MAX8890 - Integrated Cellular RF-Section Power-Management

Datasheet Summary

Description

The MAX8890 is a power-management IC intended for cellular handsets using a single lithium-ion (Li+) cell battery with input voltages from +2.5V to +5.5V.

Features

  • include short-circuit and thermal-overload protection. The MAX8890 is available in a compact, high-power, 12-pin 4mm ✕ 4mm QFN package with a metal pad on the underside.

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Datasheet preview – MAX8890

Datasheet Details

Part number MAX8890
Manufacturer Maxim
File Size 231.00 KB
Description Integrated Cellular RF-Section Power-Management
Datasheet download datasheet MAX8890 Datasheet
Additional preview pages of the MAX8890 datasheet.

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Full PDF Text Transcription

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19-2075; Rev 2; 10/02 MAX8890 Integrated Cellular RF-Section Power-Management IC General Description The MAX8890 is a power-management IC intended for cellular handsets using a single lithium-ion (Li+) cell battery with input voltages from +2.5V to +5.5V. The IC contains three identical, low-noise, low-dropout (LDO) linear regulators to provide all of the supply voltage requirements for the RF portion of the handset. The first LDO is intended to power the transmitter, receiver, and synthesizer. The second LDO is intended to power the TCXO, and high-power voltage-controlled oscillators (VCOs). The third LDO is intended to power the UHF offset VCO. Each LDO has its own individual enable (ON/OFF) control to maximize design flexibility.
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