DRE240 Datasheet, PDF (4/4 Pages) Chinfa Electronics Ind. Co., Ltd. – AC - DC DIN RAIL MOUNTABLE POWER SUPPLY INDUSTRIAL CONTROL EQUIPMENT

DRE240 SERIES
CIRCUIT SCHEMATIC
‧Block diagram for DRE240 series
L Fuse
Inrush Current
Filter
Limiter
&
PFC
Switching
Device
N
Rectifier
Y
PWM
Controller
Rectifier
Opto -
Isolation
Opto -
Isolation
Current
Detection
Reference &
Error Amp.
Error amp
&
OVP
Output
Level
Detection
Vo +
Vo -
Single / Parallel select
Vout
ADJ.
DC ON
(Green LED)
DC LOW
(Red LED)
RDY
(Relay Contact)
TYP. CURRENT LIMITED CURVE
DRE240-24x
100
75
50
25
0
100
110
120
130
140
150
160
Power out [ % ]
DERATING CURVE
100
75
0
-40
61
71
Temperature [ ^oC ]
TYP. EFFICIENCY CURVE
DRE240-24x
95
90
85
80
230 Vac
75
115 Vac
70
10
25
50
75
100
Power out [ % ]
PEAK LOADING
360W
240W
Continuous
Protect
www.chinfa.com
2011.02.16
OCP
7 sec
3 sec
3 sec
OCP
7 sec
Auto recover within 7 sec
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P4