Simplified Block Diagram
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- 18V to 36V Input Range
- Isolated Output: 24V DC at 20W
- Cycle-by-Cycle Current Limit
- Resistor Programmable UVLO/OVI Threshold
- Low-Cost Flyback Design
- Galvanic Isolation Up to 1500VRMS
- Proven PCB Layout
- Fully Assembled and Tested
- Battery-Powered Applications
- Industrial and Telecom Applications
- Universal Input Offline AC-DC Power Supplies
- Wide-Range DC-Input Flyback/Boost Battery Chargers
The MAX17597 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstrates an isolated 20W flyback DC-DC converter. The circuit uses the device’s peak-current-mode controller in a 16-pin TQFN package with an exposed pad. The EV kit demonstrates the IC’s cycle-by-cycle current-limit, soft-start, and EN/UVLO features.
The EV kit circuit output is configured for an isolated 24V and provides up to 833mA of output current. The EV kit is configured to operate at a 200kHz switching frequency. An optocoupler, along with the transformer, provides galvanic isolation between input and output, up to 1500VRMS.