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STMICROELECTRONICS STLD1TR

MAX17576ATG+

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Analog Devices Inc./Maxim Integrated

4.5V TO 60V, 4A, HIGH-EFFICIENCY, SYNCHRONOUS STEP-DOWN DC-DC CONVERTER WITH INTERNAL COMPENSATION

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STMICROELECTRONICS STLD1TR

MAX17576ATG+

Active
Analog Devices Inc./Maxim Integrated

4.5V TO 60V, 4A, HIGH-EFFICIENCY, SYNCHRONOUS STEP-DOWN DC-DC CONVERTER WITH INTERNAL COMPENSATION

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Description

General part information

MAX17576 Series

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller, and simpler power supply solutions. The MAX17576, high-efficiency, high-voltage, Himalaya synchronous step-down DC-DC converter with integrated MOSFETs operates over an input voltage range of 4.5V to 60V. The converter can deliver up to 4A current. Output voltage is programmable from 0.9V up to 90% of VIN. The feedback voltage regulation accuracy over -40°C to +125°C is ±0.9%. Built-in compensation across the output-voltage range eliminates the need for external compensation components.The MAX17576 features a peak-current-mode control architecture. The device can operate either in constantfrequency based pulse-width modulation (PWM) or pulsefrequency modulation (PFM), or discontinuous-conduction mode (DCM) control schemes. A programmable soft-start feature allows users to reduce input inrush current. The device also incorporates an enable/input undervoltage lockout pin (EN/UVLO) that allows the user to turn on the part at the desired input voltage level. The MAX17576 offers a low minimum on time that allows high switching frequencies and a small solution size.The MAX17576 is available in a 24-pin (4mm x 5mm) TQFN-EP package. Simulation models are available.ApplicationsIndustrial Control Power SuppliesGeneral Purpose Point-of-LoadDistributed Supply RegulationBase Station Power SuppliesWall Transformer RegulationHigh-Voltage, Single-Board Systems

Technical Specifications

Parameters and characteristics for this part

SpecificationMAX17576ATG+
Current - Output4 A
Frequency - Switching (Max)2.2 MHz
Frequency - Switching (Min)100 kHz
FunctionStep-Down
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature (Max)125 °C
Operating Temperature (Min)-40 °C
Output ConfigurationPositive
Output TypeAdjustable
Package / Case24-WFQFN Exposed Pad
Package Length4 mm
Package Name24-TQFN
Package Width5 mm
Synchronous RectifierYes
TopologyBuck
Voltage - Input (Max)60 V
Voltage - Input (Min)4.5 V
Voltage - Output (Max)54 V
Voltage - Output (Min/Fixed)0.9 V

Pricing

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CAD

3D models and CAD resources for this part