cpa200-4530 Power-One, cpa200-4530 Datasheet - Page 4

• Manufacturer Part Number: cpa200-4530
• Description: 200
• Manufacturer: Power-One

technique and proprietary leading and trailing-edge pulse-
width modulation. It has a proven track record in high-
availability power solutions.
The switching frequency is typically 135 kHz. Some models
(CPx200/250 version V117, CPA500/550 version V110)
Fig. 1b
Block diagram of CPD500 models.
For the pin allocation, see Mechanical Data.
Fig. 1c
Block diagram of CPA500/550 models.
For the pin allocation, see Mechanical Data.
BCD20005-G Rev. AF, 18-Aug-10
–DCIN
45
ACL
+DCIN
V
47
ACN
45
46
V
47
46
i
i
2
(option F)
nd
fuse
C
C
y
y
C
C
y
®
y
V
PBias
V
Auxiliary
PBias
current
verter
Inrush
limiter
con-
200 – 550 Watt CompactPCI
Auxiliary
verter
con-
+
+
Page 4 of 19
converter
converter
converter
converter
converter
Forward
converter
Forward
Forward
Forward
Forward
Forward
135 kHz
135 kHz
135 kHz
135 kHz
135 kHz
135 kHz
exhibit a crystal oscillator with 131 kHz.
All models have a separate auxiliary supply for the primary
circuits, the CPD500 as well for the secondary circuits. The
secondary bias voltage of the other models is generated by
the forward converters.
®
V
SBias
AC-DC and DC-DC Converters
CPA, CPD Series Data Sheet
V
SBias
+
+
+
+
+
+
+
+
C
C
C
C
C
C
C
C
y
y
y
y
y
y
y
y
JM014a
JM041
www.power-one.com
ORing
ORing
ORing
ORing
ORing
ORing
ORing
ORing
diode
diode
FET
FET
FET
FET
FET
FET
V
V
V
V
V
V
V
V
o4
o2
o4
o1
o3
o2
o1
o3
+
+
+
+
+
+
+
+