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MAX8521

Part Number	MAX8521
Manufacturer	Maxim Integrated Products
Description	Smallest TEC Power Drivers
Published	Mar 19, 2010
Detailed Description	19-2586; Rev 1; 12/08 KIT ATION EVALU LE B A IL A AV www.DataSheet4U.com Smallest TEC Power Drivers for Optical Modul...
Datasheet	MAX8521 PDF File

Overview

19-2586; Rev 1; 12/08 KIT ATION EVALU LE B A IL A AV www.
DataSheet4U.
com Smallest TEC Power Drivers for Optical Modules General Description The MAX8520/MAX8521 are designed to drive thermoelectric coolers (TECs) in space-constrained optical modules.
Both devices deliver ±1.
5A output current and control the TEC current to eliminate harmful current surges.
On-chip FETs minimize external components and high switching frequency reduces the size of external components.
The MAX8520/MAX8521 operate from a single supply and bias the TEC between the outputs of two synchronous buck regulators.
This operation allows for temperature control without “dead zones” or other nonlinearities at low current.
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