MB39A115 Datasheet, PDF (23/42 Pages) Fujitsu Component Limited. – 5 ch DC/DC Converter IC with Synchronous Rectification

MB39A115
Note that the latch is reset as the voltage at the VREF terminal (pin 11) is decreased to 1.27 V (Min) or less by
either recycling the power supply or setting the CTL terminal (pin 6) to “L” level.
• Timer-latch short-circuit protection circuit
Vo
FBX
R1
−INEX
R2
Error
Amp
−
+
1.23 V (ch.1 : 1.0 V)
1 µA
CSCP
15
SCP
Comp.
+
+
−
1.1 V
CTL
SR
Latch
VREF
UVLO
To each
channel drive
X : Each channel
number
23