MAX77291

RECOMMENDED FOR NEW DESIGNS

High-Voltage Micropower Boost Converter with 50mA Input Current Limit

Analog Devices MAX77291 Product Info

10 February 2026 6

Features

28μA Quiescent Supply Current from Input
Output Short Circuit Protection
Overtemperature Protection
True Shutdown Mode
- 13nA Shutdown Current
- No Reverse Current from OUT
90% Peak Efficiency

1.8V to 5.5 V Input Range
5.5V to 20V Output Voltage Range
100mA Peak Inductor Current Limit
1.27mm x 0.87mm 6-Bump WLP (3 x 2, 0.4mm Pitch) Package
-40°C to +125°C Temperature Range

Part details & applications

The MAX77291 is a low-quiescent-current boost (step-up) DC-DC converter with a 100mA 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 set with an external resistor-divider. The output voltage can be widely varied between 5.5V and 20V.

The MAX77291 is available in a 6-bump, 0.4mm pitch, wafer-level package (WLP).

APPLICATIONS

Primary Cell Portable Systems
Battery-Powered Medical Equipment
Tiny, Low-Power Internet of Things (IoT) Sensors
Low-Power Wireless Communication Products
Secondary-Cell Portable Systems

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