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Single Output
DC/DC Converter
200WFR series
F
EATURES
•
•
•
•
•
•
•
High Efficiency up to 81%
1000VDC Isolation
MTBF > 1,000,000 Hours
2:1 Wide Input Range
Low Cost
Remote On/Off Control
Low Ripple and Noise
D
ESCRIPTIONS
The 200WFR series are low-profile 2 watts dc-dc converters
that operate over input voltage ranges of 4.5 to 9VDC and 9 to
18VDC, 18 to 36VDC and 36 to 75 VDC and provide precisely
regulated output voltages of 3.3V, 5V and 12VDC.
The -40
o
C to +65
o
C operating temperature range makes it
ideal for data communication equipment, mobile battery
driven equipment, distributed power systems, telecommunication
equipment, mixed analog/digital subsystems, process/
machine control equipment, computer peripheral systems
and industrial robot systems.
I
NPUT
C
HARACTERISTICS
Min Typ Max Units/Comments
Start Voltage
5 VDC Input Models
2.8
12 VDC Input Models
4.5
24 VDC Input Models
8
48 VDC Input Models
16
Under Voltage Shut Down
5 VDC Input Models
12 VDC Input Models
24 VDC Input Models
48 VDC Input Models
Reverse Polarity Input Current
Short Circuit Input Power
Input Filter
3.2
6
12
24
3
5.5
11
22
4.5
9
18
36
4
8.5
17
36
1
1500
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
A
mW
Capacitor type
O
UTPUT
C
HARACTERISTICS
Min Typ Max Unit/Comments
±1 ±2 % Output voltage at
Output Voltage Set Point
nominal line & FL
±0.3 ±0.5 Change /
Line Regulation
Percentage change
in Input
voltage
±0.5 ±0.75 % Output voltage
Load Regulation
measured from
full load to
10% load
120
Over Power Protection
%
±0.01 ±0.02 % per degree C
Temperature Coefficient
30 50 mV p-p measured
Ripple/Noise
at 20 MHz bandwidth
with external 1
μf
capacitor
75 mV p-p, Over Line,
Ripple/Noise
Load & Temp., 20
MHz B.W., using 1μf
bypass capacitor
Output Voltage and Current
Refer to model
selection chart
±3 ±5 % deviation of Vout
Load Transient Response
voltage for a 25%
load change for
500μS
Short Circuit Protection
Indefinite, Automatic
Recovery
G
ENERAL
C
HARACTERISTICS
Switching Frequency
Isolation Voltage
Isolation Resistance
Isolation Capacitance
MTBF (MIL-HBK-217F)
Remote On/Off
On
Off
Min Typ Max Unit/Comments
kHz
100 300 650
VDC, 1 minute
1000
Mohm, 500VDC
1000
65 120 pF, 100kHz, 1Volt
Million Hours,
1
+25
o
C, Ground
Benign
2.7
0
15
0.6
VDC; Referenced to
input return
>> B-41
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E
NVIRONMENTAL
S
PECIFICATIONS
Operating Temp. Range
Operating Temp. Range
Storage Temp. Range
Relative Humidity
Cooling
Min
-40
-40
-55
Typ Max
+65
+90
+105
95
Unit/Comments
o
C; Ambient
o
C; Case
o
C; Case
% Humidity; non-
condensing
Free-Air Convection
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P
HYSICAL
C
HARACTERISTICS
Case Size
Case Material
Flammability
Weight
Unit/Comments
0.86 X 0.36 X 0.44 inches
(21.8 X 9.2 X 11.2 mm)
Non-Conductive Black Plastic
UL94V-0
4.8 Grams
O
UTLINE
D
RAWING
0.86 (21.8)
SIDE VIEW
0.02
(0.5)
0.44
(11.2)
0.16 (4.0)
0.08 (2.0)
0.200 (5.08)
0.100 (2.54)
BOTTOM VIEW
1
2
3
5
6
7
8
0.01
(0.25)
0.12
(3.0)
0.36 (9.2)
0.02 (0.5)
P
IN
O
UT
C
HART
Pins
1
2
3
5
6
7
8
Function
- Vin
+ Vin
Remote On/Off
NC
+ Vout
- Vout
NC
Notes:
1. Unless otherwise specified dimensions are in inches (mm).
Tolerances: X.XX = ±0.02 (±0.5)
X.XXX = ±0.010 (±0.25)
Pin: ±0.002 (±0.05)
NC = No Connection
All specifications are typical at nominal input, nominal load and 25
°
C unless otherwise specified.
External, low ESR, 10 microfarad (minimum) capacitor across input is recommended for operation.
>> B-42
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