DRS3 Datasheet, PDF (4/4 Pages) Chinfa Electronics Ind. Co., Ltd. – AC - DC DIN RAIL MOUNTABLE POWER SUPPLY INDUSTRIAL CONTROL EQUIPMENT

CIRCUIT SCHEMATIC
‧Block diagram for DRS3 series
L Fuse
Line
Filter
Inrush Current
Limiter and
Rectifier
Switching
Device
N
Y
Control
Circuit
Rectifier
Opto -
Isolation
TYP. CURRENT LIMITED CURVE
v
100
DRS3
Hiccup mode
DRS3 SERIES
Vo +
Vo -
Reference &
Error Amp.
Output
Level
Detection
Vout ADJ.
DC ON
(Green LED)
50
t
Time
DERATING CURVE
100
100
85
50
Safe Operating Area
0
-25
51
71
Temperature [ ^oC ]
TYP. EFFICIENCY CURVE
DRS3-24
90
88
86
84
82
230 Vac
115 Vac
80
10
25
50
75
100
Power out [ % ]
www.chinfa.com
2016.06.21
Safe Operating Area
Ta=40 ^oC
Ta=50 ^oC
0
85 100
264
Input Voltage [ VAC ]
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P4