Step-down DC/DC converter MAX17530 series
IChigh-voltageindustrial

step-down DC/DC converter
step-down DC/DC converter
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Characteristics

Configuration
IC
Electrical characteristics
step-down, high-voltage
Applications
industrial
Other characteristics
single-output, switching, compact, programmable, adjustable, PWM

Description

The MAX17530 high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4V to 42V input. The converter can deliver up to 25mA and generates output voltages from 0.8V up to 0.9 x VIN. The feedback (FB) voltage is accurate to within ±1.75% over -40°C to +125°C. The MAX17530 uses peak-current-mode control and can be operated in pulse-width modulation (PWM) or pulse-frequency modulation (PFM) modes. The device is available in a 10-pin (3mm x 2mm) TDFN and 10-pin (3mm x 3mm) µMAX® packages. Simulation models are available. Applications Battery-Powered Equipment High-Voltage LDO Replacement HVAC and Building Control Industrial Sensors and Process Control Features and Benefits Reduces External Components and Total Cost No Schottky–Synchronous Internal Compensation for Any Output Voltage Built-In Soft-Start All-Ceramic Capacitors, Compact Layout Reduces Number of DC-DC Regulators to Stock 100kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization Reduces Power Dissipation 22µA Quiescent Current Peak Efficiency > 90% PFM Enables Enhanced Light-Load Efficiency 1.2µA Shutdown Current Operates Reliably in Adverse Environments Peak Current Limit Protection Built-In Output Voltage Monitoring Active-Low RESET Programmable EN/UVLO Threshol Monotonic Startup in to Prebiased Load

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