IP1521 Просмотр технического описания (PDF) - Interpion semiconductor
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IP1521 Datasheet PDF : 14 Pages
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IP1521
DUAL OUTPUT VOLTAGE SERIES REGULATOR
APPLICATION SUMMARY
- ON / OFF
When you want to control output of the IP1521, use pin #4 as follows
Pin#4
IP1521
Main
HIGH
off
bias
LOW
on
Q1
Pin#4
As shown in figure
Pin#4 is positive input of the comparator,
and the other Input is threshold voltage.
If the voltage of the pin#4 rises above threshold voltage,
Vth
then TR Q1 will be saturated and the main bias current
will be shut down.
on/off function
August. 2002 (Rev.4)
WWW.INTERPIONSEMI.COM
-6-
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