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