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APW7098 Datasheet(PDF) 20 Page - Anpec Electronics Coropration

Part No. APW7098
Description  Two- Phase Buck PWM Controller with Integrated MOSFET Drivers
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Maker  ANPEC [Anpec Electronics Coropration]
Homepage  http://www.anpec.com.tw
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APW7098 Datasheet(HTML) 20 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.6 - Oct., 2009
APW7098
www.anpec.com.tw
20
Function Description (Cont.)
Over-Temperature Protection (OTP)
When the junction temperature increases above the ris-
ing threshold temperature T
OTR, the IC will enter the over-
temperature protection state that suspends the PWM,
which forces the LGATE and UGATE gate drivers to out-
put low voltages and turns off the 5VCC linear regulator
output. The thermal sensor allows the converters to start
a start-up process and regulate the output voltage again
after the junction temperature cools by 50oC. The OTP is
designed with a 50oC hysteresis to lower the average T
J
during continuous thermal overload conditions, which
increases lifetime of the APW7098.


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