DRA18-05 Datasheet, PDF (2/3 Pages) Chinfa Electronics Ind. Co., Ltd. – AC - DC DIN RAIL MOUNTABLE 18W CLASS 2 POWER SUPPLY INDUSTRIAL CONTROL EQUIPMENT

DRA18 SERIES
IND. CONT. EQ.
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25^oC Unless Otherwise Noticed
OUTPUT SPECIFICATIONS
Characteristics
Conditions
min. ^typ. max.
Output voltage accuracy
Vi nom, Io min ...Io nom
1
Minimum load
Vi nom
0
Line regulation
Io nom, Vi min ...Vi max
1
Load regulation
Vi nom, Io min ...Io nom
2
Transient recovery time
Temperature coefficient
50% load step changed
Vi nom, Io min
300
0.02
Ripple & noise
Vi nom, Io nom,BW = 20MHz
50
Hold up time
Io nom
Vi = 115VAC
20
Vi = 230VAC
75
Voltage trim range
Vi nom, Io nom
5V ...15V models
- 10
+ 15
DC ON indicator
threshold at start up
24V model
- 10
Vi nom, Io nom
5V model
4.5
12V model
10.8
+ 20
15V model
13.5
24V model
21.6
DC LOW indicator
Vi nom, Io nom
5V model
3.75
4.5
threshold after start up
12V model
9
10.8
15V model
11.25
13.5
24V model
18
21.6
Efficiency
Vi nom, Io nom, Po / Pi
Up to 77%, See model list
CONTROL AND PROTECTION
Characteristics
Conditions
Input fuse
Rated over load protection
Vi nom
Over voltage protection
Vi nom, Io nom
Output short circuit
Vi nom, Io nom
min. typ. max.
T2A / 250VAC internal
110
135
125
145
Hiccup mode
APPROVALS AND STANDARDS
UL / cUL
UL508 / UL1310 Listed, Class 2 Power Supply
TUV
EN60950
CE
EN50081-1 / EN55022 for EMI
EN50082-1 / EN55024 for EMS
FCC
Class B
CIRCUIT SCHEMATIC
Block diagram for DRA18 series
unit
%
%
%
%
S
% / ^oC
mV
ms
ms
%
%
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
unit
%
%
L Fuse
N
Line
Filter
Inrush Current
Limiter and
Rectifier
Switching
Device
Y
Control
Rectifier
Opto -
Isolation
Opto -
Isolation
Current
Detection
Vo +
Vo -
Reference &
Error Amp.
Over Voltage
Detection
Output Level
Detection
Vout
ADJ.
DC ON
(Green LED)
DC LOW
(Red LED)
DB LECTRO Inc. 3600 boul. Matte suite i Brossard Qc J4Y-2Z2 tel:[phone] fax:[phone] www.dblectro.com