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MAX1979 - Integrated Temperature Controllers

Download the MAX1979 datasheet PDF. This datasheet also covers the MAX1978 variant, as both devices belong to the same integrated temperature controllers family and are provided as variant models within a single manufacturer datasheet.

General Description

The MAX1978/MAX1979 are the smallest, safest, most accurate complete single-chip temperature controllers for Peltier thermoelectric cooler (TEC) modules.

On-chip power FETs and thermal control-loop circuitry minimize external components while maintaining high efficiency.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX1978_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
19-2490; Rev 0; 7/02 EVAALVUAAILTAIOBNLEKIT Integrated Temperature Controllers for Peltier Modules MAX1978/MAX1979 General Description The MAX1978/MAX1979 are the smallest, safest, most accurate complete single-chip temperature controllers for Peltier thermoelectric cooler (TEC) modules. On-chip power FETs and thermal control-loop circuitry minimize external components while maintaining high efficiency. Selectable 500kHz/1MHz switching frequency and a unique ripple-cancellation scheme optimize component size and efficiency while reducing noise. Switching speeds of internal MOSFETs are optimized to reduce noise and EMI. An ultralow-drift chopper amplifier maintains ±0.001°C temperature stability. Output current, rather than voltage, is directly controlled to eliminate current surges.