MAX17559EVKIT# by Analog Devices

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


The MAX17559 is a dual-output, synchronous step-down controller that drives nMOSFETs. The device uses a constant-frequency, peak-current-mode architecture. The two outputs can be configured as independent voltage rails. Input capacitor size is minimized by running the two outputs 180° out-of-phase. The IC supports current sensing using either an external current-sense resistor for accuracy or an inductor DCR for improved system efficiency. Current foldback or latchoff limits MOSFET power dissipation under short-circuit conditions. The IC provides independent adjustable soft-start/stop 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, 7mm × 7mm, 32-pin TQFP, package.

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Prices starting from US$69.22

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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 Fixed 180° Out-of-Phase Operation Adjustable 100kHz to 2.2MHz Switching Frequency Independent Enable and PGOOD Available in a Lead(Pb)-Free 7mm × 7mm, 32-Pin TQFP Package
Wide 4.5V to 60V Input Voltage Range
Wide 0.8V to 24V Output Voltage Range
RSENSE or Inductor DCR Current-Sensing
Fixed 180° Out-of-Phase Operation
Adjustable 100kHz to 2.2MHz Switching Frequency
Independent Enable and PGOOD
Available in a Lead(Pb)-Free 7mm × 7mm, 32-Pin TQFP 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/Stop or Tracking Current Selectable Foldback or Latchoff 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/Stop or Tracking
Current Selectable Foldback or Latchoff 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) 20
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 TQFP/32
BudgetaryPrice (See Notes) 3.92


MAX17559EVKIT# Development Boards & Evaluation Kits by Analog Devices

EVALUATION BOARD DUAL SYNC BUCK REGU

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

Specifications

Silicon Manufacturer Maxim Integrated Products
Silicon Core Number MAX17559
Kit Application Type Power Management - Voltage Regulator
Application Sub Type Synchronous Buck Regulator
Kit Contents Eval Board MAX17559
Product Range Himalaya Series
Automotive Qualification Standard -
SVHC No SVHC (15-Jan-2018)
Features Dual Synchronous Step-down Regulator 150kHz Switching 15A/3.3V & 8A/5A Output 6V-60V Supply

Alternative Descriptions

Evaluation Board, Dual Sync Buck Regu | Newark Electronics

Frequently Asked Questions

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Is the MAX17559EVKIT# RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including element14, Farnell and Newark Electronics have stock available or on a lead time for MAX17559EVKIT# .

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