Summary:
Resistor R1 sets the input under/overvoltage point to 33 V and 86 V. It also linearly reduces the device's maximum duty cycle (DCMAX) as the input voltage increases to prevent saturation of the core during transients.
design feature
- Small number of components
- Built-in precision OV/UV, set by single resistor
- Use synchronous rectification, high efficiency (88%)
- Multiple outputs with good cross adjustment
- Built-in output overload, open loop and over temperature protection
- 400 kHz switching frequency
- No primary current sense resistor
Circuit diagram of 15W multi-output DC-DC converter
See the uploading documentation for details (click to download)
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