DRD30 Datasheet, PDF (4/4 Pages) Chinfa Electronics Ind. Co., Ltd. – AC - DC DIN RAIL MOUNTABLE POWER SUPPLY INDUSTRIAL CONTROL EQUIPMENT

DRD30 SERIES
CIRCUIT SCHEMATIC
‧Block diagram for DRD30 series
Vi + Fuse
Line _Switching
Filter Device
Vi -
ON / OFF
PWM
controller
DERATING CURVE
Input Voltage : 11.5V ~ 28V
100
Rectifier
Opto -
Isolation
Opto -
Isolation
Vo +
Vo -
Reference &
Error Amp.
Over Voltage
Detection
Output Level
Detection
Vout
ADJ.
DC ON
(Green LED)
DC LO
(Red LED)
Input Voltage : 10V but <11.5V
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 -25
51
71
Temperature [ ^oC ]
Ta : 50^oC
100
80
Safe Operating Area
0
-40
41
71
Temperature [ ^oC ]
0
10
28
36
Input Voltage [ V ]
DERATING AND EFFICIENCY CURVE
Efficiency Vs Input Voltage
DRD30-12
90
Efficiency Vs Output Load
DRD30-12
90
85
85
80
80
75
75
70
70
Io : Full Load
65
10 12 15 18 21 24 27 30 33 36
Input Voltage (V)
65
60
10 20 30
40 50 60 70
Output Load (%)
Vi : 24VDC
80 90 100
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2016.04.18
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