Datasheet MAX17270 (Maxim)

ОписаниеnanoPower Triple-Output, Single-Inductor, Multiple-Output (SIMO) Buck-Boost Regulator
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EVALUATION KIT AVAILABLE. here. MAX17270/MAX17271. nanoPower Triple-Output, Single-Inductor,

Datasheet MAX17270 Maxim

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link to page 36
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MAX17270/MAX17271 nanoPower Triple-Output, Single-Inductor, Multiple-Output (SIMO) Buck-Boost Regulator General Description Benefits and Features
The MAX17270/MAX17271 are 3-output switching ● 3-Output, Single-Inductor, Multiple-Output (SIMO) regulators designed for applications requiring efficient Buck-Boost Regulator regulation of multiple supplies in a very small space, such ● 2.7V to 5.5V Input Voltage Range as wearable electronic devices. ● Low-Power and Long Battery Life The parts use a buck-boost architecture that regulates • 1.3μA Operating Current (3 SIMO Channels) three outputs using a single, small 2.2µH inductor at • 330nA Shutdown Current efficiencies up to 85%. This results in smaller board space • 85% Efficiency at 3.3V Output while delivering better total system efficiency than equivalent power solutions using one buck and linear regulators. ● Flexible and Configurable • I2C-Compatible Interface (MAX17271) The supply current is 0.85µA when only one output is • Programmable Output Voltage: 0.8V to 5.175V enabled, plus 0.2µA for each additional output enabled. MAX17270/MAX17271 This SIMO (Single-Input Multiple-Output) regulator uti- • Programmable Peak Current Limit lizes the entire battery voltage range due to its ability to ● Robust create output voltages that are above, below, or equal to • Soft-Start the input voltage. Peak inductor current for each output is • Overload Protection programmable to optimize the balance between efficiency, • Thermal Protection output ripple, EMI, PCB design, and load capability. Two versions are available. The MAX17270 has 3 enable ● Small Size inputs and 3 output voltage programming inputs. The • 1.77mm x 1.77mm x 0.50mm, 16-Bump MAX17271 includes an I2C interface with interrupt, a 0.4mm-Pitch WLP Package • 3mm x 3mm x 0.75mm, 16-Pin TQFN Package push-button turn on/off, and a power-good indication. • Small Total Solution Size All versions are offered in either a 4 x 4, 0.4mm wafer- level package (WLP) or a 16-pin TQFN package.
● Bluetooth Headsets ● Fitness Bands ● Watches ● Hearables
Ordering Information
appears at end of data sheet. ● Wearables ● Internet of Things (IoT) ● Health Monitors 19-100234; Rev 5; 9/19
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