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 I_Q

Read white paper ›

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 V_OUT 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 I_LIM
- MAX17222/MAX17223: 500mA I_LIM
- MAX17224/MAX17225: 1A I_LIM
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

Key Specs

Part Number

V_IN
(V)

V_OUT1
(V)

I_OUT1
(A)

Output Adjust. Method

Switch Type

Synchronous Switching

I_CC
(mA)

Shutdown Mode Supply Current
(µA)

DC-DC Outputs

Oper. Freq.
(kHz)

Design Tools

Package/Pins

Budgetary
Price

min

max

min

max

typ

See Notes

MAX17220

0.4

5.5

1.8

0.085

Resistor

Internal

Yes

0.0003

0.001

2000

EE-Sim

WLP/6

uDFN-CU/6

$0.71 @1k

MAX17221

0.2

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 (94)

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

Quality and Environmental Data

Request Reliability Report for: MAX17220
Lead-Free Package Tin (Sn) Whisker Reports

Additional Resources

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

Tools & Models

EE-Sim: Design & Simulate MAX17220

Quality And Environmental

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.

Quality Management System >
Environmental Management System >

Order

Related Resources

New Products

MAX17524
4.5V to 60V, 3A, Dual-Output, High-Efficiency,Synchronous Step-Down DC-DC Converter

Reduces External Components and Total Cost
Reduces Number of DC-DC Regulators to Stock
Independent Input-Voltage Pins for Each Output

MAX17632
4.5V to 36V, 2A, High-Efficiency, Synchronous Step-Down DC-DC Converter

Reduces External Components and Total Cost
Reduces Number of DC-DC Regulators to Stock
Reduces Power Dissipation

MAX77812
Quad-Phase, 20A Max, Configurable Buck Regulator

20A Maximum Output Current
2.5V to 5.5V Input Voltage Range
Output Voltage Range from 0.25V to 1.525V in 5mV Steps

MAXM15462
4.5V to 42V, 300mA Himalaya uSLIC Step-Down Power Module

Easy to use
High Efficiency
Flexible Design

MAX38801
Integrated, Step-Down Switching Regulator with Selectable Applications Configurations

High-Efficiency Solution
Flexible Design Allows Early PCB Definition
Advanced Architecture, Protection and Reporting Guarantees Reliable Designs

MAX38800
Integrated, Step-Down Switching Regulator with Selectable Applications Configurations

High-Efficiency Solution
Flexible Design Allows Early PCB Definition
Advanced Architecture, Protection and Reporting Guarantees Reliable Designs

MAX20094
Backup Battery Charger and Boost Controller

Efficient Solution
Multiple Functions to Enable Small Solution Size
State-of-Health for Backup Battery Monitoring

MAX20095
Backup Battery Charger and Boost Controller

Efficient Solution
Multiple Functions to Enable Small Solution Size
State-of-Health for Backup Battery Monitoring

MAX77816
High-Efficiency Buck-Boost Regulator with 5A Switches

Buck and Boost Operation Including Seamless Transition between Buck and Boost Modes
I²C Serial Interface Allows Dynamic V_OUT Adjustment and Provides Design Flexibility
97.5% Peak Efficiency

MAX20075
36V, 600mA/1.2A Mini Buck Converter with 3.5µA I_Q