MAXREFDES1046, 2-Layer Board, 3.3V/3A Wide-Input, Synchronous Step-Down DC-DC Converter Using MAX17574
Reference Design using part MAX17574ATG+ by Analog Devices
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For End Products
- High-Voltage Applications
- Low-Current Applications
Description
- MAXREFDES1046, Reference Design for the MAX17574, high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4.5V to 60V input. The converter can deliver up to 3A current. Output voltage is programmable from 0.9V to 90%VIN. The MAX17574 features a peak-current-mode control architecture. The device can be operated in the pulse width modulation (PWM), pulse-frequency 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 output enable/undervoltage lockout pin (EN/UVLO) that allows the user to turn on the part at the desired input voltage level. An open-drain RESET pin provides a delayed power-good signal to the system upon achieving successful regulation of the output voltage
Key Features
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Conversion TypeDC to DC
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Input Voltage12 to 48 V
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Output Voltage3.3 V
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Output Current3 A
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Output Power9.9 W
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Efficiency91 %
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TopologyBuck- Synchronous
Featured Parts (2)
| Part Number | Manufacturer | Type | Description | |||
|---|---|---|---|---|---|---|
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MAX17574ATG+T | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 4.5V to 60V Synchronous Step Down Single-Out 0.9V to 54V 24-Pin TQFN EP T/R | Buy | |
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MAX17574ATG+ | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 4.5V to 60V Synchronous Step Down Single-Out 0.9V to 54V 24-Pin TQFN EP Tray | Buy | |