DRD15 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 DRD15 series
Vi + Fuse
Line _Switching
Filter Device
Vi -
PWM
controller
Rectifier
Opto -
Isolation
Opto -
Isolation
DERATING CURVE
Input Voltage : 9.5V ~ 28V
100
DRD15 SERIES
Vo +
Vo -
Reference &
Error Amp.
Over Voltage
Detection
Output Level
Detection
DC ON
(Green LED)
DC LO
(Red LED)
Input Voltage : 9V but <9.5V
100
50
Safe Operating Area
50
Safe Operating Area
0
-40
51
71
Temperature [ ^oC ]
Input Voltage : >28V but 36V
100
Safe Operating Area
40
0
-40
41
71
Temperature [ ^oC ]
TYP. EFFICIENCY CURVE
Efficiency Vs Input Voltage
DRD15-12
85
84
83
82
81
80
79
Io : Full Load
78
9 12 15 18 21 24 27 30 33 36
Input Voltage (V)
www.chinfa.com
2015.08.06
0
-40 -25
51
71
Temperature [ ^oC ]
Ta : 50^oC
100
80
Safe Operating Area
0
9
28
36
Input Voltage [ V ]
Efficiency Vs Output Load
DRD15-12
85
80
75
70
65
60
Vi : 24VDC
55
10 20 30 40 50 60 70 80 90 100
Output Load (%)
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P4