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DP2525 датащи(PDF) 10 Page - List of Unclassifed Manufacturers |
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DP2525 датащи(HTML) 10 Page - List of Unclassifed Manufacturers |
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10 / 11 page ![]() DP2525 Low Cost Primary Side Regulation(PSR) PWM Power Switch 10/11 Rev.2.0 shown in Fig.6 Fig.6 Short Load Protection (SLP) In DP2525, the output is sampled on FB pin and then compared with a threshold of UVP (0.6V typically) after an internal blanking time (10ms typical). In DP2525, when sensed FB voltage is below 0.6V, the IC will enter into Short Load Protection (SLP) mode, in which the IC will enter into auto recovery protection mode. VDD Over Voltage Protection (OVP) and Zener Clamp When VDD voltage is higher than 27.5V (typical), the IC will stop switching. This will cause VDD fall down to be lower than VDD_OFF (typical 6.5V) and then the system will restart up again. An internal 30V (typical) zener clamp is integrated to prevent the IC from damage. |
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