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MAX1798 - CDMA Cellular/PCS System Power Supplies

General Description

The MAX1798/MAX1798A/MAX1799/MAX1799A system power supplies are designed specifically for CDMA cellular/PCS handsets.

Key Features

  • o One 300mA Low-Noise LDO o Four 150mA Low-Noise LDOs o 45µVRMS Noise from 10Hz to 100kHz o >60dB Crosstalk Isolation Below 10kHz o >60dB PSRR Below 10kHz o 125mV (max) Dropout (OUT1 at 200mA) o 100mV (max) Dropout (OUT2.
  • 5 at 100mA) o Programmable Output Voltages 1.8V to 3.3V in 32 Steps o 140ms (min) Reset Timer o SPI- or I2C-Compatible Serial Interface o Push-On/Push-Off Control Logic o Two 150mA General Purpose Open-Drain Outputs o Overcurrent and Thermal Protection (all LDOs) o 1µA S.

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Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
MAX1791 High-Efficiency / 10-Pin MAX / Step-Down Controllers
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MAX1796 Low Supply Current / Step-Up DC-DC Converters

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.

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19-1655; Rev 1; 2/01 NUAL KIT MA ATION U L A E V E BL AVAILA CDMA Cellular/PCS System Power Supplies Features o One 300mA Low-Noise LDO o Four 150mA Low-Noise LDOs o 45µVRMS Noise from 10Hz to 100kHz o >60dB Crosstalk Isolation Below 10kHz o >60dB PSRR Below 10kHz o 125mV (max) Dropout (OUT1 at 200mA) o 100mV (max) Dropout (OUT2–5 at 100mA) o Programmable Output Voltages 1.8V to 3.