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Maxim Integrated MAX17682 | Demoboard MAXREFDES1281
26V 400mA Iso-Buck DC DC Converter Using the MAX17682
Overview
| Topology | FlyBuck (Double Buck) |
| Input voltage | 18-36 V |
| Output 1 | 27 V / 0.4 A |
Description
The MAXREFDES1281 is an iso-buck converter which delivers up to 400mA at 26V VOUT, from 18V to 36V VIN. It is designed for industrial equipment that needs an isolated voltage from the above input supply voltage range.
Features
- Eliminates External Components, Reduces Total Cost
- Synchronous Primary Operation for High Efficiency and Reduced Cost
- All-Ceramic Capacitors, Ultra-Compact Layout
- Reduces Number of DC-DC Regulators to Stock
- Wide 4.5V to 42V Input Voltage Range
- 0.9V to 92% VIN Primary Output Voltage
- Delivers Up to 3.7A Peak Current
- 100kHz to 500kHz Adjustable Frequency with External Synchronization
- Reduces Power Dissipation
- Peak Efficiency > 90%
- Shutdown Current = 2.8μA (typ)
Typical applications
- Industrial Process Control, Communication Hub in Smart meters
- Isolated Power Supplies in Medical Equipment, Floating Power Supply Generation