ASAHI KASEI
[AK2573A]
7.2 Power on Initialization Procedure without Shutdown Request (TXDIS=L)
VDD
TXDIS
TXFAULT with OPTALM enable
(if accelerated delay time is selected)
2ms
LD Current
APC FF or
FB initial setting
Normal Operation
APC FF
APC FB initial procedure
ALM operation
Power On Reset
TXFAULT enable （without OPTALM)
TXFAULT with
OPTALM enable
t_init: 160ms (typ)
7.3 Power on Initialization Procedure with Shutdown request (TXDIS=H)
VDD
TXDIS
TXFAULT with OPTALM enable
(if accelerated delay time is selected)
2ms
LD current
APC FF or
FB initial setting
Normal Operation
APC FF
APC FB initial procedure
ALM operation
Power On Reset
TXFAULT with
OPTALM enable
TXFAULT enable （without OPTALM)
t_init: 160ms (typ)
<MS0189-E-01>
-25-
2004/5
AKM [ ASAHI KASEI MICROSYSTEMS ]
