DRAN120_10 Datasheet, PDF (4/4 Pages) Chinfa Electronics Ind. Co., Ltd. – AC - DC DIN RAIL MOUNTABLE POWER SUPPLY INDUSTRIAL CONTROL EQUIPMENT

DRAN120 SERIES
PIN ASSIGNMENT
PIN NO.
1
2
3, 4
5, 6
7
8
9
Designation
RDY
V+
V-
L
N
DC ON
DC LO
Vout ADJ.
S/P
Description
A normal open relay contact for DC ON level control
(Never connect except 24V model)
Positive output terminal
Negative output terminal
Ground this terminal to minimize high-frequency emissions
Input terminals (phase conductor, no polarity at DC input)
Input terminals (neutral conductor, no polarity at DC input)
Operation indicator LED
DC LOW voltage indicator LED
Trimmer-potentiometer for Vout adjustment
Single / Parallel select switch (Except AL/BL models)
CIRCUIT SCHEMATIC
‧Block diagram for DRAN120 series
L Fuse
Inrush Current
Filter
Limiter,
Rectifier and
Auto Select
P. F. C. Smoothing Switching
Circuit Circuit Device
N
115 / 230 Vac
Y
PWM
Controller
Rectifier
Opto -
Isolation
Opto -
Isolation
Note: 1) For 24V Model Only
2) AL/BL Models without this function
TYP. CURRENT LIMITED CURVE
DRAN120-24x
Current
Detection
Reference &
Error Amp.
Over Voltage
Detection
Output
Level
Detection
Vo +
Vo -
Single / Parallel
Select 2)
Vout
ADJ.
DC ON
(Green LED)
DC LOW
(Red LED)
RDY 1)
(Relay Contact)
100
75
50
25
0
100
110
120
DERATING CURVE
100
75
0
-35
www.chinfa.com
2010.05.21
61
Temperature [ ^oC ]
230 Vac
115 Vac
130
140
150
160
Output Current [ % ]
TYP. EFFICIENCY CURVE
DRAN120-24x
85
80
75
70
230 Vac
65
115 Vac
60
71
10
25
50
75
100
Power out [ % ]
[e-mail]
P4