MB39A115 Datasheet, PDF (16/42 Pages) Fujitsu Component Limited. – 5 ch DC/DC Converter IC with Synchronous Rectification

MB39A115
2. Channel Control Function
Use the CTL terminal (pin 6), CS1 terminal (pin 38), CS2 terminal (pin 1), CTL3 terminal (pin 7), CTL4 terminal
(pin 8), and CTL5 terminal (pin 9) to set ON/OFF to the main and each channels.
On/off setting conditions for each channel
CTL CS1 CS2 CTL3 CTL4 CTL5 Power ch.1 ch.2 ch.3 ch.4 ch.5
L
X
X
X
X
X
OFF OFF OFF OFF OFF OFF
H
GND GND
L
L
L
ON OFF OFF OFF OFF OFF
H
HiZ GND
L
L
L
ON
ON OFF OFF OFF OFF
H
GND HiZ
L
L
L
ON OFF ON OFF OFF OFF
H
GND GND
H
L
L
ON OFF OFF ON OFF OFF
H
GND GND
L
H
L
ON OFF OFF OFF ON OFF
H
GND GND
L
L
H
ON OFF OFF OFF OFF ON
H
HiZ
HiZ
H
H
H
ON
ON
ON
ON
ON
ON
Note : Note that current which is over stand-by current flows into VCC terminal when the CTL terminal is in “L” level
and one of the terminals between CTL3 to CTL5 terminals is set to “H” level.
(Refer to CTL3 to CTL5 terminals equivalent circuit)
• CTL3 to CTL5 terminals equivalent circuit
VCC 5
CTL3
to
CTL5
ESD
protection
element
GND 14
86 kΩ
223 kΩ
200 kΩ
16