DRA10_11 Datasheet, PDF (4/8 Pages) Chinfa Electronics Ind. Co., Ltd. – AC - DC DIN RAIL MOUNTABLE POWER SUPPLY INDUSTRIAL CONTROL EQUIPMENT

PIN ASSIGNMENT
PIN NO.
1
2
3
4
5
Designation
V+
V-
N
L
ON
LO
Vout ADJ.
DRA10 SERIES
Description
Positive output terminal
Negative output terminal
Ground this terminal to minimize high-frequency emissions
Input terminals (neutral conductor, no polarity at DC input)
Input terminals (phase conductor, no polarity at DC input)
Operation indicator LED
DC LOW indicator LED
Trimmer-potentiometer for Vout adjustment
CIRCUIT SCHEMATIC
‧Block diagram for DRA10 series
L Fuse
Line
Filter
Inrush Current
Limiter and
Switching
Device
N
Rectifier
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
DRA10-24
Hiccup mode
100
50
Time
DERATING CURVE
100
75
0
-20
61
71
Temperature [ ^oC ]
www.chinfa.com
2011.01.27
t
TYP. EFFICIENCY CURVE
DRA10-24
85
80
75
70
65
60
55
50
230 Vac
45
115 Vac
40
35
10
25
50
75
100
Power out [ % ]
[e-mail]
P4