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reference designMAX17270 | Demoboard MAX17270EVKIT

Analog Devices MAX17270 | Demoboard MAX17270EVKIT

nanoPower Triple/Dual-Output, Single-Inductor, Multiple-Output (SIMO) Buck-Boost Regulator

Overview

TopologyBuck-Boost Converter
Input voltage2.7-5.5 V
Switching frequency1000 kHz
Output 15 V / 0.1 A

Description

The MAX17270 evaluation kit (EV kit) evaluates the MAX17270. The MAX17270 is a 3-output switching regulator that regulates three outputs using a single, small 2.2μH inductor. The MAX17270 EV kit features two independent circuits to evaluate two different IC packages of the MAX17270. Both circuits on the EV kit operates over an input range of 2.7V to 5.5V. Each circuit provides three jumper configurable outputs, with voltages from 0.8V to 5V for each output channel. Each circuit output on the EV kit delivers up to 50mA/75mA/80mA of current depending on the input voltage to the output voltage ratio. The EV kit comes with the MAX17270ETE+ and the MAX17270ENE+ installed.

Features

  • 3-Output/2-Output, Single-Inductor, Multiple-Output (SIMO) Buck-Boost Regulator
  • 2.7V to 5.5V Input Voltage Range
  • Low-Power and Long Battery Life
    • 1.3μA Operating Current (3 SIMO Channels)
    • 330nA Shutdown Current
    • 85% Efficiency at 3.3V Output
  • Flexible and Configurable
    • I2C Compatible Interface (MAX17271/MAX17273)
    • Programmable Output Voltage: 0.8V to 5.175V
    • Programmable Peak Current Limit
  • Robust
    • Soft-Start
    • Overload Protection
    • Thermal Protection
  • Small Size
    • 1.77mm x 1.77mm x 0.50mm 0.4mm-Pitch WLP Package
    • 3mm x 3mm x 0.75mm TQFN Package
    • Small Total Solution Size

Typical applications

  • Bluetooth Headsets
  • Watches / Wearables
  • Fitness Bands / Health Monitors

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IR(A)
ISAT1(A)
ISAT2(A)
RDC max.(mΩ)
fres(MHz)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
VOP(V)
Mount
SamplesAvailability & Sample
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74479299222
SPECWE-PMCI Power Molded Chip Inductor, 2.2 µH, 3.65 A
Simu­lation
Availability
–
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-PMCI Power Molded Chip Inductor
Inductance2.2 µH
Rated Current3.65 A
Saturation Current 12.25 A
Saturation Current 24.8 A
DC Resistance75 mΩ
Self Resonant Frequency35 MHz
Performance Rated Current3.65 A
Saturation Current @ 30%4.8 A
DC Resistance70 mΩ
–
MountSMT 
–Check availability
74438357022
SPECWE-MAPI SMT Power Inductor, 2.2 µH, 5.2 A

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
–
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance2.2 µH
Rated Current5.2 A
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DC Resistance26 mΩ
Self Resonant Frequency35 MHz
Performance Rated Current7.1 A
Saturation Current @ 30%9.2 A
DC Resistance22 mΩ
Operating Voltage80 V
MountSMT 
–Check availability