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MAX8890

Part Number	MAX8890
Manufacturer	Maxim
Description	Integrated Cellular RF-Section Power-Management
Published	May 2, 2005
Detailed Description	19-2075; Rev 2; 10/02 MAX8890 Integrated Cellular RF-Section Power-Management IC General Description The MAX8890 is a...
Datasheet	MAX8890 PDF File

Overview

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...

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