MAX1724
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MAX1724

1.5µA IQ, Step-Up DC-DC Converters in TSOT and µDFN

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Part Models 12
1ku List Price Starting From $0.87
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 Package (0.9mm typ Height)
  • µDFN Package (2mm x 2mm x 0.75mm)
Additional Details
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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. The MAX1722/MAX1724 also feature proprietary noise-reduction circuitry, which suppresses electromagnetic interference (EMI) caused by the inductor in many step-up applications. The family offers different combinations of fixed or adjustable outputs, shutdown, and EMI reduction (see Selector Guide).

Applications

  • Digital Still Cameras
  • Low-Power Handheld Instruments
  • MP3 Players
  • Pagers
  • PDAs and Other Handheld Devices
  • Personal Medical Devices
  • Remote Controls
  • Remote Wireless Transmitters
  • Single-Cell Battery-Powered Devices
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file View Data Sheet (Rev.5)
Documentation View All Documentation
Part Models 12
1ku List Price Starting From $0.87
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MAX1724

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Data Sheet

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UPDATED 09/26/2017
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MAX1722-MAX1724: 1.5µA IQ, Step-Up DC-DC Converters in TSOT and µDFN Data Sheet (Rev.5)

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UPDATED 01/01/1900
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3024: 1.5µA IQ、升压DC-DC转换器，TSOT和µDFN封装 Data Sheet

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UPDATED 01/12/2023
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Documentation

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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MAX1724EZK27+ 5-TSOT-N/A external-link
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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

MAX1724EVKIT

Evaluation Kit for the MAX1722, MAX1723, MAX1724

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MAX1724EVKIT

Evaluation Kit for the MAX1722, MAX1723, MAX1724

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MAX1724EVKIT
Evaluation Kit for the MAX1722, MAX1723, MAX1724

Features and Benefits

  • 0.91V to VOUT Input Voltage Range
  • Two Complete Boost Circuits
    • 3.3V Fixed (MAX1724)
    • 3.6V Adjustable Output (MAX1722)
  • Up to 50mA Output from a 1-Cell Input
    • Up to 100mA Output from a 2-Cell Input
  • 1.5µA Quiescent Current from VOUT
  • Up to 90% Efficiency with Synchronous Rectification
  • Switching Frequency Up to 200kHz
  • All Surface-Mount Design
  • Fully Assembled and Tested Board
Buy Now View Details

Product Detail

The MAX1724 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that contains two separate boost switching-regulator circuits. The left-side circuit contains a MAX1724 with a preset 3.3V output. Other preset voltages of 2.7V, 3.0V, or 5.0V are also available. The right-side circuit contains a MAX1722, which has an adjustable output voltage. This circuit's output is set for 3.6V. All devices regulate with input voltages from 0.91V to VOUT, making them ideal for 1- or 2-cell alkaline and NiMH battery applications.

The right-side circuit may also be used to evaluate the MAX1723, which features a shutdown (active-low SHDN) mode. The MAX1722/MAX1724 has a BATT pin, which lowers the guaranteed startup voltage from 1.2V to 0.91V.

The MAX1722/MAX1723/MAX1724 feature synchronous rectification and ultra-low (1.5µA typ) quiescent current for maximum efficiency and long battery life. Operation up to 200kHz allows tiny surface-mount components.

Applications

  • Digital Still Cameras
  • Low-Power Handheld Instruments
  • MP3 Players
  • Pagers
  • PDAs and Other Handheld Devices
  • Personal Medical Devices
  • Remote Controls
  • Remote Wireless Transmitters
  • Single-Cell Battery-Powered Devices

Evaluation Kits1

MAX1724EVKIT

Evaluation Kit for the MAX1722, MAX1723, MAX1724

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