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MAX17220

MAX17220

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

nanoPower Boost Converter that Extends Battery Life and Reduces Solution Size

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Overview

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/MAX17221), 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: Triple Punch Extends the Life of Your Smart Factory Indoor BLE Beacon ›

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/MAX17221: 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 Real-Time Clock (RTC)/Alarm Buzzers
  • Tiny, Low-Power IoT Sensors
  • Wearable Devices

Parametric Specs

See parametric specs for Step-Up Switching Regulators (101)


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
minmaxminmaxmaxtyptypSee Notes
MAX17220 0.45.51.850.085ResistorInternalYes0.00030.00112000EE-Sim
THIN WLP/6
UDFN/6
$0.75 @1k
MAX17221 0.085
THIN WLP/6
UDFN/6
$1.00 @1k
MAX17222 0.2
THIN WLP/6
UDFN/6
$1.01 @1k
MAX17223 0.2
THIN WLP/6
UDFN/6
$0.99 @1k
MAX17224 0.8
THIN WLP/6
UDFN/6
$1.08 @1k
MAX17225 0.8
THIN WLP/6
UDFN/6
$1.05 @1k

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.

Design Resources


MAX17222EVKIT: Evaluation Kit for the MAX17220/MAX17221/MAX17222/MAX17223/MAX17224 and MAX17225
MAX17220EVKIT: Evaluation Kit for the MAX17220/MAX17221/MAX17222/MAX17223/MAX17224/MAX17225
MAXNANOPWRBD: Evaluation Kit for the MAX32660, MAX11615, MAX40007, MAX9119, MAX9634, MAX17222

Technical Documents

Design Solution 7203 Very Low Input-Voltage Boost Converter Enables Direct Methanol Fuel Cell Hearing Aids
Design Solution 7136 High-Efficiency Boost Converter Extends Wearable Medical Patch Battery Life
Tutorial 2031 DC to DC Buck Converter Tutorial

Additional Resources

Customer Testimonial: WHOOP ›

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

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

Operate Your Design from a Single Battery, with the Right Converter

Customer Testimonial: Noitom Limited ›

How to Calculate the Quiescent Current of the MAX17222 nanoPower Boost Converter


Tools & Models

  • EE-Sim: Design & Simulate MAX17220
  • MAX17220 SIMPLIS Schematic

    •

    Quality And Environmental

    Request Reliability Report for: MAX17220 
    Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

    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.

    Quality Management System >
    Environmental Management System >

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