Benefits and Features
• Extends Battery Life
• 440nA Ultra-Low Quiescent Supply Current
• 5nA Shutdown Current
• 94% Peak Efficiency and Over 90% at 10μA
• Easy to Use–Addresses Popular Operation
• 1.8V to 5.5V Input Voltage Range
• 0.5V to 1.8V Output Voltage Range
• Up to 175mA Output Current
• Protects System in Multiple Use Cases
• Short-Circuit Protection
• Internal Active Discharge
• Programmable Single Resistor (32 Settings)
• Four Output Voltage Levels for Each RSEL
Setting Through Digitally Controlled VSEL1 and
VSEL2 Pins
• EN Pin for Converter On/Off Control
• 100% Duty-Cycle Mode for Low Dropout Operation
• Reduces Size and Increases Reliability
• -40°C to +125°C Operating Temperature Range
• 8-Bump WLP (1.82mm x 0.89mm, 0.4mm Pitch)
• 10-Pin TDFN (3mm x 3mm, 0.5mm Pitch)

Key Applications
• Portable Space-Constrained Consumer Products
• Wearable Devices Ultra-Low-Power IoT, NB IoT,
and Bluetooth® LE
• Single Li-ion and Coin-Cell Battery Products
• Wired, Wireless Industrial Products