LTC3589
LTC3589-1
LTC3589-2

RECOMMENDED FOR NEW DESIGNS

8-Output Regulator with Sequencing and I2C

Part Details

  • Triple I2C Adjustable High Efficiency Step-Down DC/DC Converters: 1.6A, 1A/1.2A, 1A/1.2A
  • High Efficiency 1.2A Buck-Boost DC/DC Converter
  • Triple 250mA LDO Regulators
  • Pushbutton ON/OFF Control with System Reset
  • Flexible Pin-Strap Sequencing Operation
  • I2C and Independent Enable Control Pins
  • Power Good and Reset Outputs
LTC3589
LTC3589-1
LTC3589-2
8-Output Regulator with Sequencing and I2C
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Documentation

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources


Hardware Ecosystem

Parts Product Life Cycle Description
Digital Temperature Sensors 1
LTC2991 RECOMMENDED FOR NEW DESIGNS Octal I2C Voltage, Current, and Temperature Monitor
Serial Bus Buffers, Extenders, and Accelerators 1
LTC4311 PRODUCTION Low Voltage I2C/SMBus Accelerator
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Tools & Simulations

LTspice


Models for the following parts are available in LTspice:

  • LTC3589

Linduino 3

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.


Evaluation Kits

eval board
DC1558A

LTC3589EUJ Demo Board | 8-Output Regulator with Sequencing & I2C, 2.7V ≤ VIN ≤ 5.5V, VOUT1-8 = 1.2V to 3.3V @ 25mA to 1.6A

Product Details

Demonstration Circuit 1558A is a 2.7V to 5.5V input, multioutput power supply with a pushbutton controller and I2C, featuring the LTC3589EUJ. The LTC3589 has three synchronous buck regulators (1.6A, 1A, 1A), a buck-boost regulator (1.2A), a 25mA always-on LDO, and three 200mA LDO regulators.


The switching regulator settings such as enables, feedback voltages, operating modes and other functions can be controlled via I2C.

eval board
DC1808B-A

LTC3589EUJ-1 Demo Board | 8-Output Regulator with Sequencing & I2C, 2.7V ≤ VIN ≤ 5.5V, VOUT1 - 8 = 1.2V to 3.3V @ 25mA to 1.6A

Product Details

Demonstration circuit 1808B-A is a 2.7V to 5.5V input, multioutput power supply with a pushbutton controller and I2C, featuring the LTC3589EUJ-1 (-A). The LTC3589EUJ-1 has three synchronous buck regulators, (1.6A, 1.2A, 1.2A) a 1.2A buck-boost regulator, a 25mA always-on LDO and three 200mA LDO regulators.

The switching regulator settings, such as enables, feedback voltages, operating modes and other functions, can be controlled via I2C.

eval board
DC1808B-B

LTC3589EUJ-2 Demo Board | 8-Output Regulator with Sequencing & I2C, 2.7V ≤ VIN ≤ 5.5V, VOUT1 - 8 = 1.2V to 3.3V @ 25mA to 1.6A

Product Details

Demonstration circuit 1808B-B is a 2.7V to 5.5V input, multioutput power supply with a pushbutton controller and I2C, featuring the LTC3589EUJ-2 (-B). The LTC3589EUJ-2 has three synchronous buck regulators, (1.6A, 1.2A, 1.2A) a 1.2A buck-boost regulator, a 25mA always-on LDO and three 200mA LDO regulators.

The switching regulator settings, such as enables, feedback voltages, operating modes and other functions, can be controlled via I2C.

DC1558A
LTC3589EUJ Demo Board | 8-Output Regulator with Sequencing & I2C, 2.7V ≤ VIN ≤ 5.5V, VOUT1-8 = 1.2V to 3.3V @ 25mA to 1.6A
DC1808B-A
LTC3589EUJ-1 Demo Board | 8-Output Regulator with Sequencing & I2C, 2.7V ≤ VIN ≤ 5.5V, VOUT1 - 8 = 1.2V to 3.3V @ 25mA to 1.6A
DC1808B-B
LTC3589EUJ-2 Demo Board | 8-Output Regulator with Sequencing & I2C, 2.7V ≤ VIN ≤ 5.5V, VOUT1 - 8 = 1.2V to 3.3V @ 25mA to 1.6A

Reference Designs

i.MX7 96Board
NXP (Freescale) i.MX7 96Board Circuits from the lab

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
NXP (Freescale) i.MX7 96Board

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