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MAX1722 - Step-Up DC-DC Converters

General Description

The MAX1722/MAX1723/MAX1724 compact, high-efficiency, step-up DC-DC converters are available in tiny, 5-pin TSOT packages.

They feature an extremely low 1.5μA quiescent supply current to ensure the highest possible light-load efficiency.

Key Features

  • Up to 90% Efficiency.
  • No External Diode or FETs Needed.
  • 1.5μA Quiescent Supply Current.
  • 0.1μA Logic-Controlled Shutdown.
  • ±1% Output Voltage Accuracy.
  • Fixed Output Voltage (MAX1724) or Adjustable Output Voltage (MAX1722/MAX1723).
  • Up to 150mA Output Current.
  • 0.8V to 5.5V Input Voltage Range.
  • 0.91V Guaranteed Startup (MAX1722/MAX1724).
  • Internal EMI Suppression (MAX1722/MAX1724).
  • TSOT Packa.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX172 Complete 10s CMOS 12-Bit ADC
MAX1723 Step-Up DC-DC Converters
MAX1724 Step-Up DC-DC Converters
MAX1725 12V / Ultra-Low IQ / Low-Dropout Linear Regulators
MAX1726 12V / Ultra-Low IQ / Low-Dropout Linear Regulators

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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MAX1722/MAX1723/ MAX1724 1.5μA IQ, Step-Up DC-DC Converters in TSOT and µDFN General Description The MAX1722/MAX1723/MAX1724 compact, high-efficiency, step-up DC-DC converters are available in tiny, 5-pin TSOT packages. They feature an extremely low 1.5μA quiescent supply current to ensure the highest possible light-load efficiency. Optimized for operation from one to two alkaline or nickel-metal-hydride (NiMH) cells, or a single Li+ cell, these devices are ideal for applications where extremely low quiescent current and ultra-small size are critical. Built-in synchronous rectification significantly improves efficiency and reduces size and cost by eliminating the need for an external Schottky diode. All three devices feature a 0.5Ω N-channel power switch.