Features
- High efficiency
- Minimum bill of materials
- Small form-factor package
- No loop compensation required
- Isolated and non-isolated applications
- Power factor PF > 0.95 depending on application
- Wide application input voltage range: 85V to 265VAC
- Internal over-temperature protection
- Output over-voltage protection (OVP)
- Output over-current protection (OCP) on primary side
ZSLS7031 - Application Circuit
Description
The ZSLS7031 is a primary-side controlled, peak-current-mode high-brightness LED flyback driver that supports both isolated and non-isolated designs with active power factor correction (PFC). The device works at a constant frequency in discontinuous conduction mode to provide constant power to the output. It eliminates the need for an opto-coupler, TL431 shunt regulator, or any other type of secondary-side feedback device. It operates from a wide input voltage range of 85VAC to 265VAC. The ZSLS7031 integrates over-current and over-voltage protection, as well as a thermal shutdown to halt the switching action in the event of abnormally high operating temperatures.
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