MAX17558EVKIT# by Analog Devices

60V, Dual-Output, Synchronous Step-Down Controller


The MAX17558 is a dual-output, synchronous step-down controller that drives nMOSFETs. The device features a peak-current-mode, constant-frequency architecture, allowing it to operate up to 2.2MHz. The device can be configured as two single-phase, independent 10A power supplies or as a dual-phase, single-output 20A power supply. The device also provides the ability to run two controllers 180° out-ofphase to reduce the power loss and noise due to the input-capacitor ESR. The IC supports current sensing using either an external current-sense resistor for accuracy or an inductor DCR for improved system efficiency. Current foldback limits MOSFET power dissipation under short-circuit conditions. The IC provides independent adjustable soft-start for each output and can start up monotonically into a prebiased output. The IC can be configured in either PWM or DCM modes of operation, depending on whether constant-frequency operation or light-load efficiency is desired. The IC operates over the -40°C to +125°C temperature range and is available in a lead(Pb)-free, 32-pin TQFN, 5mm x 5mm package with an exposed pad.

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Prices starting from US$85.16

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Features

Wide Range of Operation Wide 4.5V to 60V Input Voltage Range Wide 0.8V to 24V Output Voltage Range RSENSE or Inductor DCR Current-Sensing Selectable In-Phase or 180° Out-of-Phase Operation Adjustable 100kHz to 2.2MHz Switching Frequency Independent Enable and PGOOD Available in a Lead(Pb)-Free 32-Pin, 5mm x 5mm TQFN-EP Package
Wide 4.5V to 60V Input Voltage Range
Wide 0.8V to 24V Output Voltage Range
RSENSE or Inductor DCR Current-Sensing
Selectable In-Phase or 180° Out-of-Phase Operation
Adjustable 100kHz to 2.2MHz Switching Frequency
Independent Enable and PGOOD
Available in a Lead(Pb)-Free 32-Pin, 5mm x 5mm TQFN-EP Package
Enhances Power Efficiency Low Impedance Gate Drives for High Efficiency DCM Operation at Light Loads Auxiliary Bootstrap LDO
Low Impedance Gate Drives for High Efficiency
DCM Operation at Light Loads
Auxiliary Bootstrap LDO
Operates Reliably in Adverse Industrial Environments Independent Adjustable Soft-Start or Tracking Current Foldback Limits MOSFET Heat Dissipation During a Short-Circuit Condition Operates Over the -40°C to +125°C Temperature Range Output Overvoltage and Overtemperature Protections
Independent Adjustable Soft-Start or Tracking
Current Foldback Limits MOSFET Heat Dissipation During a Short-Circuit Condition
Operates Over the -40°C to +125°C Temperature Range
Output Overvoltage and Overtemperature Protections

Specifications

VIN (V) (min) 4.5
VIN (V) (max) 60
VOUT1 (V) (min) 0.8
VOUT1 (V) (max) 24
IOUT1 (A) (max) 15
Switch Type External
Output Adjust. Method Resistor
Synchronous Switching? Yes
Power Good Signal Yes
# DC-DC Outputs 2
Switching Frequency (kHz) 2200
Design Tools EE-Sim
Package/Pins TQFN/32
BudgetaryPrice (See Notes) 3.92


MAX17558EVKIT# Development Boards & Evaluation Kits by Analog Devices

EVALUATION BOARD DUAL SYNC BUCK CTRL

Status: Unknown
Series: Himalaya Series
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Silicon Manufacturer Maxim Integrated Products
Silicon Core Number MAX17558
Kit Application Type Power Management
Application Sub Type Synchronous Buck Controller
Kit Contents Eval Board MAX17558
Product Range Himalaya Series
Automotive Qualification Standard -
SVHC No SVHC (15-Jan-2018)
Features Dual Synchronous Step-down DC-DC Controller 350kHz Switching 5A/5V & 10A/3.3V O/P 4.5-60V Power

Alternative Descriptions

Evkit for 4.5-60V High Voltage | Analog Devices
Evaluation Board, Dual Sync Buck Ctrl | Newark Electronics
EVALUATION BOARD, DUAL SYNC BUCK CTRL | Farnell

Frequently Asked Questions

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Is the MAX17558EVKIT# RoHS compliant?

This part has not been flagged as RoHS Compliant.

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