DRA480_10 Datasheet, PDF (4/4 Pages) Chinfa Electronics Ind. Co., Ltd. – AC - DC DIN RAIL MOUNTABLE POWER SUPPLY INDUSTRIAL CONTROL EQUIPMENT

DRA480 SERIES
CIRCUIT SCHEMATIC
‧Block diagram for DRA480 series
L Fuse
Filter
Bridge
Rectifier
N
Y
Active Switching
Filter P.F.C Circuit Device
PWM
Controller
Rectifier
Opto -
Isolation
Opto -
Isolation
Note: 1) For 24V Model Only
Current
Detection
Reference &
Error Amp.
Over Voltage
Detection
Output
Level
Detection
Vo +
Vo -
Single / Parallel
Select
Vout
ADJ.
DC ON
(Green LED)
DC LOW
(Red LED)
RDY ¹⁾
(Relay Contact)
TYP. CURRENT LIMITED CURVE
DRA480-24x
100
75
50
25
0
100
110
120
130
140
150
Output Current [ % ]
230 Vac
115 Vac
160
DERATING CURVE
100
62.5
0
-40
56
71
Temperature [ ^oC ]
TYP. EFFICIENCY CURVE
DRA480-24x
90
85
80
75
70
65
60
55
50
230 Vac
45
115 Vac
40
35
10
25
50
75
100
Power out [ % ]
www.chinfa.com
2010.05.21
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P4