MB3889 Fujitsu Microelectronics, Inc., MB3889 Datasheet - Page 23

• Manufacturer Part Number: MB3889
• Description: 2-channel Dc/dc Converter Ic With Overcurrent Protection Symmetrical-phase Type
• Manufacturer: Fujitsu Microelectronics, Inc.

TREATMENT OF UNUSED ILIM TERMINALS
When the overcurrent protection circuit is not used, the ILIM1 terminal (pin 25) and ILIM2 terminal (pin 23) should
be shorted to the SGND terminal (pin 6) .
PROCESSING WITHOUT USING THE CSCP TERMINAL
When the timer-latch short-circuit protection circuit is not used, the CSCP terminal (pin 11) should be shorted
to SGND using the shortest possible connection.
TREATMENT OF UNUSED PWRGOOD TERMINALS
When the PWRGOOD terminal is not used, the PWRGOOD terminal (pin 12) should be shorted or open to the
SGND terminal.
<Operation Without Using the PWRGOOD Terminals>
<
<Operation Without Using the ILIM Terminals>
Operation Without Using the CSCP Terminals
12
7
SGND
PWRGOOD
7
SGND
11
7
SGND
CSCP
ILIM1
ILIM2
25
23
"Open"
12
PWRGOOD
>
MB3889
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