DC-DC
Models and Ratings
Input
Voltage
Output
Voltage
3.3
5.0
12.0
15.0
±5.0
±12.0
±15.0
5.0/±12.0
5.0/±15.0
3.3
5.0
12.0
15.0
±5.0
±12.0
±15.0
5.0/±12.0
5.0/±15.0
3.3
5.0
12.0
15.0
±5.0
±12.0
±15.0
5.0/±12.0
5.0/±15.0
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
WF Series
Output
Current
5.00
5.00
2.50
2.00
±2.50
±1.25
±1.00
3.50/±0.31
3.50/±0.25
5.00
5.00
2.50
2.00
±2.50
±1.25
±1.00
3.50/±0.31
3.50/±0.25
5.00
5.00
2.50
2.00
±2.50
±1.25
±1.00
3.50/±0.31
3.50/±0.25
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Input Current
No Load
Full Load
30
30
30
30
35
35
35
35
35
30
30
30
30
30
30
30
30
30
20
20
20
20
25
25
25
25
25
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
1.86
2.67
3.05
3.05
2.67
3.05
3.05
2.64
2.64
0.92
1.34
1.52
1.52
1.34
1.47
1.47
1.32
1.32
0.46
0.66
0.76
0.76
0.66
0.73
0.73
0.65
0.65
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Efficiency
74%
78%
82%
82%
78%
82%
82%
79%
79%
75%
79%
82%
82%
79%
85%
85%
80%
80%
75%
79%
82%
82%
79%
85%
85%
80%
80%
Model
Number
(1)
WF100
WF101
WF102
WF103
WF104
WF105
WF106
WF107
WF108
WF200
WF201
WF202
WF203
WF204
WF205
WF206
WF207
WF208
WF300
WF301
WF302
WF303
WF304
WF305
WF306
WF307
WF308
9-18 VDC
18-36 VDC
36-72 VDC
Notes
1. For optional UL60950-1 approved product, add suffix ‘U’ to model number.
Mechanical Details
All dimensions are in inches (mm)
0.40
0.40
0.40
0.40
(10.16) (10.16) (10.16) (10.16)
Weight:
0.15 lbs (66 g) approx.
Case Material:
Black coated copper with non-conductive base.
Pin
PIN CONNECTIONS
Single Output
Dual Output
Remote On/Off
No pin
-V input
+V input
Output trim
-Output
+Output
No pin
Remote On/Off
No pin
-V input
+V input
Output trim
-Output
Common
+Output
Triple Output
Remote On/Off
No pin
-V input
+V input
-Output
Common
+5V Output
+Output
8
7
6
5
BOTTOM VIEW
1.80
(45.7)
2.00
(50.8)
OPERATING LIMITS AND OUTPUT POWER RANGE
Output
Power
(%)
100
75
0.04 (1.02)
NATURAL
DIA
4
3
2
1
1
2
3
4
5
6
7
8
0.90
(22.9)
2.00 (50.8)
0.20
(5.1)
Output
Pin No.
7
8&5
8&5
TRIPLE OUTPUT LOADING TABLE
(1)
Current
Voltage
Minimum
(2)
+5
+12 or -12
+15 or -15
0.50 A
0.10 A
0.10 A
Maximum
3.50 A
0.31 A
0.25 A
50
0.22
(5.6)
25
min
CONVECTION
COOLING
0.40
(10.2)
Notes
1. Maximum total power from all outputs is limited to 25 W but no output should be allowed to
exceed its maximum current.
2. Minimum current on each output is required to maintain specified regulation.
0
+20
+40
+60
-20
Application Notes
+80
+100
˚C
Derating Curve
100
80
External Output Trimming
PIN 7
10K
PIN 6
TRIM UP
TRIM
DOWN
TRIM
UP/DOWN
Load (%)
60
40
20
0
-20 -10
Output may optionally be externally
trimmed (±10%) with a fixed
resistor 10K or external trimpot
as shown
0
10
20 30 40 50 60
Ambient Temperature (ºC)
70
80
90
100
PIN 5
08-Apr-08
XPPOWER [ XP POWER LIMITED ]
