KAS Series
2-4W Wide AC-DC Input PCB-Mount Power Supplies
Features
90 - 305VAC Input Voltage
Class II (No ground needed)
Wide Temperature Range (-40 to +80°C)
Low off-load Power Draw
High Efficiency
Key Market Segments & Applications
Specifications
Model
Input Voltage Range
Inrush Current Limiting (115 / 230VAC) (1)
Input Current (115 / 230VAC)
Off-load Power Draw
Recommended External Fuse
Temperature Coefficient
Voltage Set Accuracy
Minimum Load
Overcurrent Protection
Overvoltage Protection
Hold-up Time (115 / 230VAC)
Leakage Current (Touch)
Operating Temperature
Storage Temperature
Humidity
Cooling
Withstand Voltage
Immunity
Safety Agency Certification
Conducted and Radiated EMI
Weight
Size (LxWxH)
Mounting & Case
MTBF (MIL-HDBK-217F)
Warranty
KAS4
-
90-305VAC 47-440Hz or 120-430VDC*
A
15 / 25A
mA
110 / 70mA
W
<0.3W
-
3.15 A slow blow type
-
±0.02%/°C
%
±6%
±2%
-
None
-
Hiccup mode, automatic recovery
%
No
ms
>15ms
mA
<0.25mA at <240VAC
-
-40°C to +80°C, derate linearly to 40%
-40°C to +70°C, derate linearly to 40%
load from 60°C to 80°C
load from 50°C to 70°C (2)
-
-40°C to +85°C
%RH
10% to 95% RH (non-condensing)
-
Convection
VAC
Input to output: 3kVAC
EN55024 (With external varistor L-N rated at 350Vrms maximum, 920V clamp, 0.6W minimum)
-
-
UL/CSA/IEC/EN 60950-1, IEC/EN60335-1 (Designed to meet), CE Mark
-
EN55032 Class B
g
19.9g
26g
in
1.12 x 1.02 x 0.67”
1.46 x 1.08 x 0.69”
(mm)
28.5 x 25.8 x 17.0 mm
37.0 x 27.5 x 17.5 mm
-
PC board mountable. Resin case (UL 94V-0)
hrs
>450,000 hours
yrs
3 years
* Safety certified for AC input, 47-63Hz only
KAS2
90-305VAC 47-63Hz or 120-430VDC*
30 / 50A
75 / 55mA
Notes
(1) Cold start, 25
o
C ambient. Requires 10Ω 5A external NTC thermistor
(2) Model dependent, see installation manual for details
1-800-526-2324 • www.us.tdk-lambda.com/lp/
79
Disclaimer: us.tdk-lambda.com/lp/legal.htm
KAS Series
Model Selector
Output
Voltage
(V)
V1
V1
V1
V1
V1
V1
V1
V1
V1
V1
V1
V1
V1
V1
3.3V
3.3V
5V
5V
8V
9V
9V
12V
12V
14V
15V
15V
24V
24V
Maximum
Current
(A)
0.6A
1.2A
0.4A
0.8A
0.5A
0.22A
0.444A
0.167A
0.333A
0.286A
0.133A
0.267A
0.083A
0.167A
Power
(W)
2W
4W
2W
4W
4W
2W
4W
2W
4W
4W
2W
4W
2W
4W
Output Ripple
& Noise
(mV)
300mV
250mV
300mV
250mV
200mV
300mV
200mV
300mV
150mV
150mV
300mV
100mV
300mV
100mV
Line
Regulation
(mV)
±165mV
±16.5mV
±250mV
±25mV
±40mV
±450mV
±45mV
±600mV
±24mV
±28mV
±750mV
±30mV
±1200mV
±48mV
Load
Regulation
(typ) (3)
±198mV
±49.5mV
±300mV
±75mV
±120mV
±540mV
±135mV
±720mV
±60mV
±70mV
±900mV
±75mV
±1440mV
±120mV
Efficiency
(%)
66%
68%
70%
72%
74%
73%
75%
73%
76%
76%
73%
76%
75%
77%
Maximum
Capacitive Load
(μF)
7000
5000
4000
4200
1470
1200
1330
500
680
470
350
330
110
120
Model
KAS2-3P3
KAS4-3P3
KAS2-5
KAS4-5
KAS4-8
KAS2-9
KAS4-9
KAS2-12
KAS4-12
KAS4-14
KAS2-15
KAS4-15
KAS2-24
KAS4-24
Notes: (3) KAS2 10-100% load change
KAS2
KAS4
Pinout
PIN #
1
2
3
4
5
6
KAS2
+Vout
-Vout
Neutral
Line
Not connected
-
KAS4
+Vout
-Vout
Not connected
Line
Neutral
Not connected
For Additional Information, please visit
us.tdk-lambda.com/lp/products/kas-series.htm
1-800-526-2324 • www.us.tdk-lambda.com/lp/
80
Revision p1.4: Mar 2017
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