WEIKING DC-DC Convertor Selector Guide
Last Update:
(2009.10.10):WK1178XX Series ,WK1179XX Series ,WK1189XX Series ,WK11117 
(2009.09.29):DC/DC Convertors‚WKP Series DC/DC Convertors‚ Switching Regulators‚ Others.
Single Output :
DC-DC P/N |
Data Sheet |
Input Voltage |
Output Voltage |
Output Current
|
Output Power
|
Effici-
ency |
Line Regul-
ation
|
Load Regul-
ation
|
Output Voltage Ripple |
Size |
Operating Temp
(Case) |
Units |
V |
V |
A |
W |
% |
mV |
mV |
mVpp |
mm |
℃ |
| WKI2805S-5HM |
|
16~40 |
5 |
1 |
5 |
75 |
10 |
10 |
30 |
27.23*27.23
*8.5 |
-55~105
|
| WKI2812S-5HM |
12 |
0.417 |
5 |
77 |
10 |
10 |
30 |
| WKI2815S-5HM |
15 |
0.333 |
5 |
77 |
10 |
10 |
30 |
| WK302805S-12 |
|
16~40 |
5 |
2.4 |
12 |
78 |
20 |
20 |
50 |
H:
36.83*28.44
*9.9
K::
50.8*28.44
*9.9 |
| WK302812S-15 |
12 |
1.25 |
15 |
82 |
20 |
20 |
50 |
| WK302815S-15 |
15 |
1.00 |
15 |
83 |
20 |
20 |
50 |
WKI2805S-15 |
|
16~40
|
5 |
3.0 |
15 |
78 |
10 |
5 |
35 |
H:
53.08*28.19
*10.2
K:
73.41*28.19
*10.2
|
WKI2812S-20 |
12 |
1.67 |
20 |
83 |
10 |
5 |
25 |
WKI2815S-20 |
15 |
1.33 |
20 |
84 |
10 |
5 |
25 |
WKI283R3S -20 |
|
16~40
|
3.3 |
6.06 |
20 |
76 |
10 |
10 |
15 |
H:
53.08*28.19
*11.7
K:
73.41*28.19
*11.7
|
WKI2805S-25 |
5 |
5.0 |
25 |
76 |
10 |
5 |
35 |
WKI2812S-30 |
12 |
2.5 |
30 |
83 |
25 |
25 |
25 |
WKI2815S-30 |
15 |
2.0 |
30 |
84 |
25 |
25 |
25 |
| WK312805S-04 |
|
16~40 |
5 |
0.8 |
4 |
80 |
10 |
10 |
30 |
32*20*7.5
|
-55~105 |
| WK312812S-04 |
12 |
0.33 |
4 |
80 |
10 |
10 |
30 |
| WK312815S-04 |
15 |
0.26 |
4 |
80 |
10 |
10 |
30 |
| WK312805S-10 |
|
16~40 |
5 |
2.0 |
10 |
82 |
10 |
10 |
30 |
40*26*10 |
| WK312812S-10 |
12 |
0.82 |
10 |
85 |
10 |
10 |
50 |
| WK312815S-10 |
15 |
0.66 |
10 |
85 |
10 |
10 |
50 |
| WK312805S-25 |
|
16~40 |
5 |
5.0 |
25 |
83 |
10 |
10 |
30 |
50.8*50.8
*12.5 |
| WK312812S-25 |
12 |
2.0 |
25 |
85 |
10 |
10 |
50 |
| WK312815S-25 |
15 |
1.65 |
25 |
85 |
10 |
10 |
50 |
| WK312805S-02 |
pdf |
16~40 |
5 |
0.4 |
2 |
66 |
10 |
10 |
30 |
26.8*11.4*10.5 |
-55~105 |
| WK312812S-02 |
12 |
0.16 |
2 |
69 |
10 |
10 |
30 |
| WK312815S-02 |
15 |
0.13 |
2 |
69 |
10 |
10 |
30 |
Dual Output:
DC-DC P/N |
Data Sheet
|
Input Voltage
|
Output Voltage |
Output Current
|
Output Power
|
Effici-
ency |
Line Regul-
ation
|
Load Regul-
ation
|
Output Voltage Ripple |
Size |
Operating Temp
(Case) |
Units |
V |
V |
A |
W |
% |
mV |
mV |
mVpp |
mm |
℃ |
| WKI2805D-5HM |
|
16 ~40 |
±5 |
±0.5 |
5 |
76 |
10 |
10 |
30 |
27.23*27.23
*8.5 |
-55~105 |
| WKI2812D-5HM |
±12 |
±0.208 |
5 |
76 |
10 |
10 |
30 |
| WKI2815D-5HM |
±15 |
±0.167 |
5 |
78 |
10 |
10 |
30 |
| WK302812D-15 |
|
16 ~40 |
±12 |
±0.625 |
15 |
84 |
20 |
20 |
50 |
H:36.83*28.44
*9.9
K:50.8*28.44
*9.9 |
| WK302815D-15 |
±15 |
±0.5 |
15 |
84 |
20 |
20 |
50 |
WKI2812D-15 |
|
16 ~40 |
±12
|
±0.625
|
15 |
81 |
10
|
15
|
30 |
H:53.08*28.19
*10.2
K:73.41*28.19
*10.2 |
WKI2815D-15 |
±15
|
±0.5
|
15 |
83 |
10
|
15
|
25 |
WKI2812D-30 |
|
16 ~40 |
+12
-12 |
+1.25
-1.25 |
30 |
81 |
10
50 |
15
30 |
30 |
H:53.08*28.19
*11.7
K:73.41*28.19
*11.7 |
WKI2815D-30 |
+15
-15 |
+1.0
-1.0 |
30 |
83 |
10
50 |
15
30 |
25 |
| WK312812D-04 |
|
16~40 |
±12 |
±0.165 |
4 |
80 |
10 |
10 |
50 |
32*20*7.5
|
-55~105 |
| WK312815D-04 |
±15 |
±0.13 |
4 |
80 |
10 |
10 |
50 |
| WK312812D-10 |
|
16~40 |
±12 |
±0.416 |
10 |
82 |
10 |
10 |
50 |
40*26*10 |
| WK312815D-10 |
±15 |
±0.333 |
10 |
82 |
10 |
10 |
50 |
| WK312812D-25 |
|
16~40 |
±12 |
±1 |
25 |
85 |
10 |
10 |
50 |
50.8*50.8
*12.5 |
| WK312815D-25 |
±15 |
±0.825 |
25 |
85 |
10 |
10 |
50 |
Triple Output :
DC-DC P/N |
Data Sheet
|
Input Voltage |
Output Voltage |
Output Current
|
Output Power
|
Effici-
ency |
Line Regul-
ation
|
Load Regul-
ation
|
Output Voltage Ripple |
Size |
Operating Temp
(Case) |
Units |
V |
V |
A |
W |
% |
mV |
mV |
mVpp |
mm |
℃ |
| WK3028512T-15 |
|
16 ~40 |
5 |
1.5 |
15 |
79 |
20 |
20 |
50 |
H:36.83*28.44*9.9K:
50.8*28.44*9.9
|
-55~105 |
±12 |
±0.32 |
20 |
20 |
50 |
| WK3028515T-15 |
16 ~40 |
5 |
1.5 |
15 |
79 |
20 |
20 |
50 |
±15 |
±0.25 |
20 |
20 |
50 |
WK3028512T-30
|
|
16 ~40 |
5 |
4.0 |
30 |
79 |
20 |
30 |
50 |
H:
49.7*34.18*10
K:
68.58*34.18*10
|
±12 |
±0.417 |
20 |
30 |
50 |
| WK3028515T-30 |
16 ~40 |
5 |
4.0 |
30 |
79 |
20 |
30 |
50 |
±15 |
±0.33 |
20 |
30 |
50 |
| WK3128512T-10 |
|
16~40 |
5 |
1 |
10 |
82 |
10 |
10 |
30 |
40*26*10 |
-55~105 |
±12 |
±0.21 |
| WK3128515T-10 |
5 |
1 |
10 |
82 |
10 |
10 |
30 |
±15 |
±0.165 |
| WK3128512T-25 |
|
16~40 |
5 |
2.5 |
25 |
82 |
10 |
10 |
30 |
50.8*50.8
*12.5 |
±12 |
±0.5 |
| WK3128515T-25 |
5 |
2.5 |
|
82 |
10 |
10 |
30 |
| ±15 |
±0.4 |
| WK3128512T-50 |
pdf
|
16~40 |
5 |
5 |
50 |
83 |
10 |
10 |
70 |
76.4*50.9
*10 |
±12 |
±1.04 |
20 |
10 |
70 |
| WK3128515T-50 |
5 |
5 |
50 |
83 |
10 |
10 |
70 |
±15 |
±1.04 |
20 |
10 |
70 |
WKP Series DC/DC Convertors |
WKP Series-Single Output:
DC-DC P/N |
Data Sheet
|
Input Voltage |
Output Voltage |
Output Current
|
Output Power
|
Effici-
ency |
Line Regul-
ation
|
Load Regul-
ation
|
Output Voltage Ripple |
Size |
Operating Temp
(Case) |
Units |
V |
V |
A |
W |
% |
mV |
mV |
mVpp |
mm |
℃ |
WKP2805S-15 |
|
16 ~40 |
5 |
3.0 |
15 |
78 |
10 |
5 |
35 |
73.4*28.4
*12.7 |
-40~85 |
WKP2812S-20 |
12 |
1.67 |
20 |
83 |
10 |
5 |
25 |
WKP2815S-20 |
15 |
1.33 |
20 |
84 |
10 |
5 |
25 |
WKP283R3S-20 |
|
16 ~40 |
3.3 |
6.06 |
20 |
76 |
10 |
10 |
15 |
WKP2805S-25 |
5 |
5.0 |
25 |
76 |
10 |
5 |
35 |
WKP2812S-30 |
12 |
2.5 |
30 |
83 |
25 |
25 |
25 |
WKP2815S-30 |
15 |
2.0 |
30 |
84 |
30 |
25 |
30 |
WKP Series-Dual Output :
DC-DC P/N |
Data Sheet
|
Input Voltage |
Output Voltage |
Output Current
|
Output Power
|
Effici-
ency |
Line Regul-
ation
|
Load Regul-
ation
|
Output Voltage Ripple |
Size |
Operating Temp
(Case) |
Units |
V |
V |
A |
W |
% |
mV |
mV |
mVpp |
mm |
℃ |
WKP2812D-15 |
|
16 ~40V |
+12
-12 |
+0.625
-0.625 |
15 |
81 |
10
10 |
15
15 |
30 |
73.4*28.4
*12.7 |
-40~85 |
WKP2815D-15 |
+15
-15 |
+0.5
-0.5 |
15 |
83 |
10
10 |
15
15 |
25 |
WKP2812D-30 |
|
16 ~40V |
+12
-12 |
+1.25
-1.25 |
30 |
81 |
10
50 |
15
30 |
30 |
WKP2815D-30 |
+15
-15 |
+1.0
-1.0 |
30 |
83 |
10
50 |
15
30 |
25 |
HIGH VOLTAGE DC/DC Convertors |
DC-DC P/N |
Data Sheet
|
Input Voltage |
Output Voltage |
Output Current
|
Output Power
|
Effici-
ency |
Line Regul-
ation
|
Load Regul-
ation
|
Output Voltage Ripple |
Size |
Operating Temp
(Case) |
Units |
V |
V |
mA |
W |
% |
V |
V |
mVpp |
mm |
℃ |
| WKI28300S-10 |
|
20~29 |
300 |
33 |
10 |
70 |
1.5 |
1.5 |
250
mVrms |
61*42*17
|
-35~+60
|
| WKI28700NS-10 |
20~29 |
-700 |
14 |
10 |
70 |
3.5 |
3.5 |
1.5
Vrms |
| WK19200N12T-11 |
|
16.5~22 |
-200
+12
-12 |
5
+400
-400 |
11 |
78 |
6
0.024
0.024 |
6
0.024
0.024 |
30
10
10 |
48*42
*16.6 |
-40~+55 |
WK2030 Series
MODELS |
Data Sheet |
Input Voltage |
Output Voltage |
Output Current |
Output Power |
Efficiency |
Line Regul-
ation |
Load Regul-
ation |
Size |
Operating Temp |
Units |
V |
V |
A |
W |
% |
mV |
|
mm |
℃ |
WK2030-2.5M |
|
4.5~32 |
2.5 |
3 |
7.5 |
85 |
50 |
50 |
24.64*20.16*10.6 |
-55~105 |
WK2030-3.3M
|
3.3 |
3 |
9.9 |
90 |
50 |
60 |
| WK2030-5.0M |
5.0 |
3 |
15 |
95 |
50 |
100 |
WK2060 Series
MODELS |
Data Sheet |
Input Voltage |
Output Voltage |
Output Current |
Output Power |
Efficiency |
Line Regul-
ation |
Load Regul-
ation |
Size |
Operating Temp |
Units |
V |
V |
A |
W |
% |
mV |
|
mm |
℃ |
WK2060-2.5M |
|
4.5~32 |
2.5 |
6 |
15 |
85 |
50 |
50 |
36.83*28.44*10 |
-55~105 |
WK2060-3.3M
|
3.3 |
6 |
19.8 |
90 |
50 |
60 |
| WK2060-5.0M |
5.0 |
6 |
30 |
95 |
50 |
100 |
WK2130 Series
MODELS |
Data Sheet |
Input Voltage |
Output Voltage |
Output Current |
Efficiency |
Line Regul-
ation |
Load Regul-
ation |
Size |
Operating Temp |
Units |
V |
V |
A |
% |
mV |
|
mm |
℃ |
WK2130-2.5M |
|
4.5~32 |
2.5 |
3 |
85 |
25 |
50 |
31.7*20.1*7.5 |
-55~105 |
WK2130-3.3M
|
4.5~32 |
3.3 |
3 |
90 |
33 |
66 |
| WK2130-5.0M |
6.5~32 |
5.0 |
3 |
93 |
50 |
100 |
WK1178XX Serials Positive Output Regulators:
Product
Model |
Date
sheets |
Output
Voltage |
Output
Current |
Line
Regulation |
Load
Regulation
(Io=5mA~1A) |
Dropout |
Package Size
L*W*H |
Operating
Temperature
(Tc) |
Unit
|
Vdc |
A |
mV |
mV |
V |
mm |
℃ |
WK117805 |
|
5 |
1 |
50
(Vin=7.5V~25V) |
100 |
2.5
|
TO-257 Package
16.5*10.6*4.93 or SMD Package
15.88*11.43*3.43
|
-55~125 |
WK117812
|
12 |
1 |
120
(Vin=14.5~30V) |
100 |
2.5
|
| WK117815 |
15 |
1 |
150
(Vin=17.5~30V) |
150 |
2.5
|
WK1179XX Serials Negative Output Regulators :
Product
Model |
Date
sheets |
Output
Voltage |
Output
Current |
Line
Regulation |
Load
Regulation
(Io=5mA~1A) |
Dropout |
Package Size
L*W*H |
Operating
Temperature
(Tc) |
Unit |
Vdc |
A |
mV |
mV |
V |
mm |
℃ |
WK117905 |
|
-5 |
1 |
100
(Vin=-7.5V~-25V) |
100 |
2.5
|
TO-257 Package
16.5*10.6*4.93 or SMD Package
15.88*11.43*3.43
|
-55~125 |
WK117912
|
-12 |
1 |
240
(Vin=-14.5~-30V) |
240 |
2.5
|
| WK117915 |
-15 |
1 |
300
(Vin=-17.5~-30V) |
300 |
2.5
|
WK11117 Adjustable Output Regulators:
Product
Model |
Date
sheets |
Output
Voltage |
Output
Current |
Line
Regulation |
Load
Regulation
(Io=10mA~1A)
|
Dropout |
Package Size
L*W*H |
Operating
Temperature
(Tc) |
Unit |
Vdc |
A |
%/V |
% |
V |
mm |
℃ |
WK11117 |
|
1.2~37V |
1 |
0.05
(3V≤△V≤40V) |
1 |
1.25
|
TO-257 Package
16.5*10.6*4.93 or SMD Package
15.88*11.43*3.43
|
-55~125 |
WWK1189XX Serials Dual Outputs Regulators:
Product
Model |
Date
sheets |
Output
Voltage |
Output
Current |
Line
Regulation |
Load
Regulation
(Io=5mA~1A) |
Dropout |
Package Size
L*W*H |
Operating
Temperature
(Tc) |
+Vo |
-Vo |
+Vo |
-Vo |
Unit |
Vdc |
A |
mV |
mV |
mV |
mV |
V |
mm |
℃ |
WK118905 |
|
±5 |
1 |
50 |
100 |
100 |
100 |
2.5
|
SIP Package 20.83*17.53*6.1
|
-55~125 |
(Vin=±7.5V~±25V) |
WK118912
|
±12 |
1 |
120 |
240 |
100 |
240 |
2.5
|
(Vin=±14.5~±30V) |
| WK118915 |
±15 |
1 |
150 |
300 |
150 |
300 |
2.5
|
(Vin=±17.5~±30V) |
Communication DC-DC Convertors |
DC-DC P/N |
Data Sheet
|
Input Voltage |
Output Voltage |
Output Current
|
Output Power
|
Effici-
ency |
Line Regul-
ation
|
Load Regul-
ation
|
Output Voltage Ripple |
Size |
Operating Temp
(Case) |
Units |
V |
V |
A |
W |
% |
mV |
mV |
mVpp |
mm |
℃ |
WK2412S-15 |
|
18~36 |
12 |
1.3 |
15 |
83 |
24 |
60 |
150 |
50*45*8 |
-20~70
|
| WK4812S-15 |
36~75 |
12 |
1.3 |
15 |
83 |
24 |
60 |
150 |
| WK4805S-20 |
36~75 |
5 |
4 |
20 |
82 |
10 |
25 |
120 |
65*50*8 |
Hold-up Module
Hold-up module |
|
Output
Power |
Hold-up time |
Power fail voltage |
Size
L*W*H |
Operating Temp
(Case) |
Units |
W |
μS |
μF |
V |
mm |
℃ |
Full load |
10W |
WKHU-50M |
|
50 |
10 |
50 |
16 |
40×26×10 |
-55-105
|
Pregulator Module
Pregulator Module |
data
sheet |
Input
voltage |
Output
power |
Voltage drop-outt |
Voltage transient
input |
Voltage spike
input |
efficiency |
Under voltage
lock out |
Start up time |
|
Operating Temp
(Case) |
Units |
V |
W |
- |
- |
- |
% |
V |
ms |
mm |
℃ |
WKPG-50M |
|
12~80 |
50 |
10V/15s |
80v/50ms |
600v/20μs |
95 |
10 |
30 |
40×26×10 |
-55-105
|
Pregulator Module-extended
Pregulator Module |
data
sheet |
Input
voltage |
Output
power |
Voltage drop-outt |
Voltage transient
input |
Voltage spike
input |
efficiency |
Under voltage
lock out |
Start up time |
|
Operating Temp
(Case) |
Units |
V |
W |
- |
- |
- |
% |
V |
ms |
mm |
℃ |
WKPG-50AM |
|
9~80 |
50 |
8V/50ms |
80v/50ms |
600v/20μs |
95 |
7.2 |
30 |
40×26×10 |
-55-105
|
Emi Filter
Emi Filter |
data
sheet |
Input
voltage |
|
Input voltage lower |
Power dissipation |
Insert dissipation |
Insulation resistance |
Size
L*W*H |
Operating Temp
(Case) |
Units |
V |
A |
V |
W |
dB |
MΩ |
mm |
℃ |
WKF2803M |
|
28 |
3 |
0.2 |
1.5 |
500K |
1M |
100 |
24.64*20.16*10.6 |
-55~105
|
30 |
30 |
WKF312803M |
|
28 |
3 |
0.2 |
1.5 |
500K |
1M |
100 |
40*26*10 |
-55~105
|
30 |
30 |
|