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General Description

The MAX17227A is a nanoPower boost converter capable

of delivering load up to 2A peak inductor current and offering

True Shutdown?, cycle-by-cycle inductor current limit,

short-circuit, and thermal protection. During shutdown,

current drawn from the input pin is 1nA. The MAX17227A

offers ultra-low quiescent current, small total solution size,

and high efficiency throughout the load and line range.

The MAX17227A is ideal for battery-powered applications

where long battery life is a must and high efficiency is required

at all power levels.

The MAX17227A utilizes adjustable on-time, pulse-frequency-

modulation (PFM) control scheme that consumes

ultra-low quiescent current. The MAX17227A features

True Shutdown mode where the output disconnects from

the input with no forward or reverse-current. This saves

precious energy from the battery for systems that dynamically

turn on and off by having the ability to startup into a

precharged output capacitor.

The MAX17227A is offered in a space-saving and costeffective

1.58mm x 0.89mm, 6-bump WLP (3 x 2, 0.4mm

pitch) and 8-pin, 2mm x 2mm TDFN packages. The operating

temperature range is from -40°C to +125°C.

Benefits and Features

● 350nA Quiescent Supply Current from Output

● Output Short-Circuit Protection

● True Shutdown Mode

? 1nA Shutdown Current

? Output Disconnects from Input

? No Reverse-Current with Any Voltage on VOUT

● 96 Peak Efficiency, 90 or Higher at 500μA

● Typical 850mA Output Current at 5.0V (VIN = 3.0V)

● 400mV to 5.5V Input Range, Up to 5.35V in Regulation

● 880mV Minimum Startup Voltage

● Single Resistor-Adjustable Output Voltage

? 2.3V to 5.2V Output Voltage Range with 100mV Steps

? 5.5V Output Voltage Setting Available

● 2A Peak Inductor Current Limit

● Thermal Shutdown Protection

● Multiple Package Options

? 1.58mm x 0.89mm, 0.4mm Pitch, 6-Bump (3 x 2) WLP

? 2mm x 2mm, 8-Pin TDFN

● -40°C to +125°C Operating Temperature Range

Applications

● Consumer

- WiFi Module

- Near-Band IoT

- Wearable Audio

● Industrial

- Emergency Lighting

- IoT Sensors

● Medical

- Clinical Instrumentation