PC494 Просмотр технического описания (PDF) - NEC => Renesas Technology
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PC494 Datasheet PDF : 20 Pages
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3) Step-down Chopper
+VCC (40 V MAX.)
(12)
VCC C2 (11)
(10)
E2
(9)
E1
(13) Output (8)
Control C1
GND
(7)
+
+
VOUT
–
To EA II To EA I
(Over Current
Protection)
Remark The dotted line indicates the connection in case of large current.
SYNCRONIZED OPERATION
If synchronized operation is needed, muster-slave circuit can be used. This circuit is shown below.
Initially, RT terminal of slave IC is connected to pin 14(Ref Out) and internal oscillator is stopped.
+VCC
(12) VCC Ref Out (14)
(6)
RT
(M) RT
(7)
(5)
CT
GND CT
µPC494
(12)
(14)
VCC Ref Out
(6)
(S) RT
(7)
(5)
GND CT
(M) : Master
(S) : Slave
12
Data Sheet G12649EJ4V0DS00
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