MAX17222

400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown

nanoPower Boost Converter that Extends Battery Life and Reduces Solution Size


Please check latest availability status for a specific part variant.

Description

The MAX17220–MAX17225 is a family of ultra-low quiescent current boost (step-up) DC-DC converters with a 225mA/0.5A/1A peak inductor current limit and True Shutdown™. True Shutdown disconnects the output from the input with no forward or reverse current. The output voltage is selectable using a single standard 1% resistor. The 225mA (MAX17220), 500mA (MAX17222/MAX17223), and 1A (MAX17224/MAX17225) peak inductor current limits allow flexibility when choosing inductors. The MAX17220/MAX17222/MAX17224 versions have post-startup enable transient protection (ETP), allowing the output to remain regulated for input voltages down to 400mV, depending on load current. The MAX17220–MAX17225 offer ultra-low quiescent current, small total solution size, and high efficiency throughout the entire load range. The MAX17220–MAX17225 are ideal for battery applications where long battery life is a must.

Design Solution: Make Your IoT Device Last Longer with a nanoPower Boost Converter ›

Design Solution: How to Maximize Your Wireless Sensor’s Runtime ›


Also see: nanoPower Technology


nanoPower Boost Converter Demo
 
Sometimes it’s Smart to Have a Low IQ
 
Read white paper ›
MAX17220, MAX17221, MAX17222, MAX17223, MAX17224, MAX17225: Typical Operating Circuit MAX17220, MAX17221, MAX17222, MAX17223, MAX17224, MAX17225: Typical Operating Circuit Enlarge+

Key Features

  • 300nA Quiescent Supply Current Into OUT
  • True Shutdown Mode
    • 0.5nA Shutdown Current
    • Output Disconnects from Input
    • No Reverse Current with VOUT 0V to 5V
  • 95% Peak Efficiency
  • 400mV to 5.5V Input Range
  • 0.88V Minimum Startup Voltage
  • 1.8V to 5V Output Voltage Range
    • 100mV/Step
    • Single 1% Resistor Selectable Output
  • 225mA, 500mA, and 1A Peak Inductor Current Limit
    • MAX17220: 225mA ILIM
    • MAX17222/MAX17223: 500mA ILIM
    • MAX17224/MAX17225: 1A ILIM
  • MAX17220/MAX17222/MAX17224 Enable Transient Protection (ETP)
  • 2mm x 2mm 6-Pin μDFN
  • 0.88mm x 1.4mm 6-Bump WLP (2 x 3, 0.4mm Pitch)

Applications/Uses

  • Battery-Powered Medical Equipment
  • Low-Power Wireless Communication Products
  • Optical Heart-Rate Monitoring (OHRM) LED Drivers
  • Primary-Cell Portable Systems
  • Secondary-Cell Portable Systems
  • Supercapacitor Backup for RTC/Alarm Buzzers
  • Tiny, Low-Power IoT Sensors
  • Wearable Devices
Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
IOUT1
(A)
Output Adjust. MethodSwitch TypeSynchronous SwitchingICC
(mA)
Shutdown Mode Supply Current
(µA)
DC-DC OutputsOper. Freq.
(kHz)
Design ToolsPackage/PinsBudgetary
Price
minmaxminmaxtyptypSee Notes
MAX17220 0.45.51.850.085ResistorInternalYes0.00030.00112000EE-Sim
WLP/6
uDFN-CU/6
$0.71 @1k
MAX17221 0.2
WLP/6
uDFN-CU/6
-
MAX17222 0.2
WLP/6
uDFN-CU/6
$1.13 @1k
MAX17223 0.2
WLP/6
uDFN-CU/6
$1.06 @1k
MAX17224 0.8
WLP/6
uDFN-CU/6
$1.31 @1k
MAX17225 -
WLP/6
uDFN-CU/6
$1.13 @1k
See All Step-Up Switching Regulators (97)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAX17222EVKIT: Evaluation Kit for the MAX17220/MAX17221/MAX17222/MAX17223/MAX17224 and MAX17225
MAX17220EVKIT: Evaluation Kit for the MAX17220/MAX17221/MAX17222/MAX17223/MAX17224/MAX17225

Tools & Models

  • EE-Sim: Design & Simulate MAX17222
  • CAD Symbols and Footprints

  • MAX17222ELT+
  • MAX17222ELT+T
  • MAX17222ENT+
  • MAX17222ENT+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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