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MAX17222ELT+T 开关稳压器 MAXIM
MAX17222ELT+T
MAXIM（美信）
5.5 V
0.2 A
1 Output
1.8 V to 5 V
相关产品
产品信息
MAX17222ELT+T
开关稳压器 0.9V to 5V, 500mA Input Current Limit Ultra Low Power Boost Converter with True Shutdown
400mV to 5.5V Input, nanoPower Synchronous Boost Converter with True Shutdown
General Description
The MAX17222ELT+T 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.
MAX17222ELT+T Benefits and Features
● 300nA Quiescent Supply Current Into OUT
● True Shutdown Mode
• 0.5nA Shutdown Current
• Output Disconnects from Input
• No Reverse Current with VOUT 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 ILIM
• MAX17222/MAX17223: 500mA ILIM
• MAX17224/MAX17225: 1A ILIM
● 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)
MAX17222ELT+T Applications
● Optical Heart-Rate Monitoring (OHRM) LED Drivers
● Supercapacitor Backup for RTC/Alarm Buzzers
● Primary-Cell Portable Systems
● Tiny, Low-Power IoT Sensors
● Secondary-Cell Portable Systems
● Wearable Devices
● Battery-Powered Medical Equipment
● Low-Power Wireless Communication Products
