DRA05_15 Datasheet, PDF (5/5 Pages) Chinfa Electronics Ind. Co., Ltd. – AC - DC DIN RAIL MOUNTABLE POWER SUPPLY INDUSTRIAL CONTROL EQUIPMENT

CIRCUIT SCHEMATIC
‧Block diagram
DRA05/10/18 SERIES
L Fuse
N
Line
Filter
Inrush Current
Limiter and
Rectifier
Switching
Device
Y
Control
Rectifier
Opto -
Isolation
Opto -
Isolation
Current
Detection
Vo +
Vo -
Reference &
Error Amp.
Over Voltage
Detection
Output Level
Detection
Vout
ADJ.
DC ON
(Green LED)
DC LOW
(Red LED)
TYP. CURRENT LIMITED CURVE
v
100
Hiccup mode
50
DERATING CURVE
100
75
Safe Operating Area
Time
t
0
-20
61
71
Temperature [ ^oC ]
TYP. EFFICIENCY CURVE
DRA05-24(A)
DRA10-24(A)
80
85
75
80
70
75
65
70
60
65
55
60
50
55
45
50
230 Vac
40
230 Vac
45
115 Vac
35
115 Vac
40
30
35
25
10
25
50
75
100
10
25
50
75
100
Power out [ % ]
Power out [ % ]
DRA18-24(A)
85
80
75
70
65
60
55
50
230 Vac
45
115 Vac
40
35
www.chinfa.com
2015.03.31
10
25
50
75
100
Power out [ % ]
[e-mail]
P5