ak2573a AKM Semiconductor, Inc., ak2573a Datasheet - Page 25

• Manufacturer Part Number: ak2573a
• Description: 125m / 156m Laser Diode Driver Apc - Asahi Kasei Microsystems
• Manufacturer: AKM Semiconductor, Inc.

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