Data Sheet
March 26, 2008
KW010/015/020/025 (Sixteenth-Brick) Power Modules:
36 –75Vdc Input; 1.2Vdc to 5.0Vdc Output;10A to 25A Output Current
RoHS Compliant
Features
Compliant to RoHS EU Directive 2002/95/EC (-Z
versions)
Compliant to RoHS EU Directive 2002/95/EC with
lead solder exemption (non-Z versions)
Delivers up to 25A output current
5V(10A), 3.3V(15A), 2.5V(20A), 1.8V-1.2V(25A)
High efficiency – 91% at 3.3V full load
Small size and low profile:
33.0 mm x 22.9 mm x 8.5 mm
(1.30 in x 0.9 in x 0.335 in)
Industry standard DOSA footprint
-20% to +10% output voltage adjustment trim
Remote On/Off
Remote Sense
No reverse current during output shutdown
Over temperature protection (latching)
Output overcurrent/overvoltage protection
(latching)
Wide operating temperature range (-40°C to 85°C)
Meets the voltage isolation requirements for
ETSI 300-132-2 and complies with and is licensed
for Basic Insulation rating per EN60950-1
UL*
60950-1Recognized,
CSA
†
C22.2 No.
‡
60950-1-03 Certified, and
VDE
0805 (IEC60950
3
rd
Edition) Licensed
CE mark meets 2006/95/EC directive
§
ISO** 9001 and ISO 14001 certified manufacturing
facilities
Applications
Distributed power architectures
Wireless networks
Access and optical network Equipment
Enterprise Networks
Latest generation IC’s (DSP, FPGA, ASIC) and
Microprocessor powered applications
Options
Negative Remote On/Off logic
Surface Mount (Tape and Reel, -SR Suffix)
Over current/Over temperature/Over voltage
protections (auto-restart)
Shorter lead trim
Description
The KW (Sixteenth-brick) series power modules are isolated dc-dc converters that operate over a wide input voltage
range of 36 to 75Vdc and provide a single precisely regulated output. The output is fully isolated from the input,
allowing versatile polarity configurations and grounding connections. The modules exhibit high efficiency, typical
efficiency of 91% for 3.3V/15A. These open frame modules are available either in surface-mount (-SR) or in
through-hole (TH) form.
*
UL
is a registered trademark of Underwriters Laboratories, Inc.
†
CSA
is a registered trademark of Canadian Standards Association.
‡
VDE
is a trademark of Verband Deutscher Elektrotechniker e.V.
§ This product is intended for integration into end-use equipment. All of the required procedures of end-use equipment should be followed
** ISO is a registered trademark of the International Organization of Standards
Document No: DS04-045 ver. 1.05
PDF name: kw010-015-020-025_ds.pdf
Data Sheet
March 26, 2008
KW010/015/020/025 Series Power Modules:
36 – 75Vdc Input; 1.2 to 5.0Vdc Output; 10 to 25A Output current
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are
absolute stress ratings only, functional operation of the device is not implied at these or any other conditions in
excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for
extended periods can adversely affect the device reliability.
Parameter
Input Voltage
Continuous
Transient (100 ms)
Operating Ambient Temperature
(see Thermal Considerations section)
Storage Temperature
I/O Isolation voltage (100% Factory Hi-Pot tested)
All
All
T
stg
-55
125
1500
°C
Vdc
All
All
All
V
IN
V
IN,trans
T
A
-0.3
-0.3
-40
80
100
85
Vdc
Vdc
°C
Device
Symbol
Min
Max
Unit
⎯
⎯
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions.
Parameter
Operating Input Voltage
Maximum Input Current
(V
IN
= V
IN, min
to V
IN, max
, I
O
=I
O, max
)
Input No Load Current
(V
IN
= V
IN, nom
, I
O
= 0, module enabled)
Input Stand-by Current
(V
IN
= V
IN, nom
, module disabled)
Inrush Transient
Input Reflected Ripple Current, peak-to-peak
(5Hz to 20MHz, 1μH source impedance; V
IN, min
to
V
IN, max,
I
O
= I
Omax
; See Test configuration section)
Input Ripple Rejection (120Hz)
EMC, EN55022
All
It
2
Device
All
All
All
Symbol
V
IN
I
IN,max
I
IN,No load
Min
36
Typ
48
1.7
55
Max
75
2.0
Unit
V
dc
A
dc
mA
All
I
IN,stand-by
5
7
mA
0.1
As
2
All
30
mA
p-p
All
50
60
100
dB
See EMC Considerations section
CAUTION: This power module is not internally fused. An input line fuse must always be used.
This power module can be used in a wide variety of applications, ranging from simple standalone operation to an
integrated part of sophisticated power architectures. To preserve maximum flexibility, internal fusing is not included,
however, to achieve maximum safety and system protection, always use an input line fuse. The safety agencies
require a time-delay fuse with a maximum rating of 5 A (see Safety Considerations section). Based on the
information provided in this data sheet on inrush energy and maximum dc input current, the same type of fuse with a
lower rating can be used. Refer to the fuse manufacturer’s data sheet for further information.
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Data Sheet
March 26, 2008
KW010/015/020/025 Series Power Modules:
36 – 75Vdc Input; 1.2 to 5.0Vdc Output; 10 to 25A Output current
Electrical Specifications
(continued)
Parameter
Output Voltage Set-point
(V
IN
=V
IN, min
, I
O
=I
O, max
, T
A
=25°C)
Device
A
F
G
Y
M
P
Output Voltage
(Over all operating input voltage, resistive load,
and temperature conditions until end of life)
Adjustment Range
Selected by an external resistor
Output Regulation
Line (V
IN
=V
IN, min
to V
IN, max
)
Load (I
O
=I
O, min
to I
O, max
)
Temperature (T
ref
=T
A, min
to T
A, max
)
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
,I
O
= I
O, max
, T
A
=T
A, min
to T
A, max
)
RMS (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
RMS (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Capacitance
Rated Output Current
A, F, G, Y
M, P
All
A
F
G
Y
M
P
Output Current Limit Inception (Hiccup Mode )
(V
O
= 90% of V
O, set
)
Output Short-Circuit Current
(V
O
≤250mV)
( Hiccup Mode )
All
All
C
O, max
I
O, Rated
I
O, Rated
I
O, Rated
I
O, Rated
I
O, Rated
I
O, Rated
I
O
, lim
I
O, s/c
⎯
⎯
⎯
⎯
0
0
0
0
0
0
0
115
⎯
25
75
33
100
⎯
⎯
⎯
⎯
⎯
⎯
⎯
120
3
⎯
⎯
⎯
⎯
10,000
10
15
20
25
25
25
125
⎯
mV
rms
mV
pk-pk
mV
rms
mV
pk-pk
μF
A
dc
A
dc
A
dc
A
dc
A
dc
A
dc
%I
O, Rated
A
rms
A, F, G
Y, M, P
A, F, G
Y, M, P
All
⎯
⎯
⎯
⎯
⎯
⎯
0.1
2
0.1
2
1.0
% V
O, set
mV
% V
O, set
mV
% V
O, set
All
V
O,adj
-20.0
+10.0
% V
O, set
All
Symbol
V
O, set
V
O, set
V
O, set
V
O, set
V
O, set
V
O, set
V
O
Min
4.93
3.25
2.46
1.77
1.48
1.18
-3.0
Typ
5.0
3.3
2.5
1.8
1.5
1.2
Max
5.08
3.35
2.54
1.83
1.53
1.22
+3.0
Unit
V
dc
V
dc
V
dc
V
dc
V
dc
V
dc
% V
O, set
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Data Sheet
March 26, 2008
KW010/015/020/025 Series Power Modules:
36 – 75Vdc Input; 1.2 to 5.0Vdc Output; 10 to 25A Output current
Electrical Specifications
(continued)
Parameter
Efficiency
V
IN
= V
IN, nom
, T
A
=25°C
I
O
=I
O, max ,
V
O
= V
O,set
Device
A
F
G
Y
M
P
Switching Frequency
Dynamic Load Response
(dIo/dt=0.1A/μs; V
IN
= V
IN, nom
; T
A
=25°C)
Load Change from Io= 50% to 75% or 25% to
50% of Io,max;
Peak Deviation
Settling Time (Vo<10% peak deviation)
(dIo/dt=1A/μs; V
IN
= V
IN, nom
; T
A
=25°C)
Load Change from Io= 50% to 75% or 25% to
50% of Io,max;
Peak Deviation
Settling Time (Vo<10% peak deviation)
All
All
V
pk
t
s
⎯
⎯
2
200
⎯
⎯
% V
O, set
μs
All
Symbol
η
η
η
η
η
η
f
sw
190
Min
Typ
92.0
91.0
89.0
87.0
85.0
84.0
200
235
Max
Unit
%
%
%
%
%
%
kHz
All
All
V
pk
t
s
⎯
⎯
5
200
⎯
⎯
% V
O, set
μs
Isolation Specifications
Parameter
Isolation Capacitance
Isolation Resistance
I/O Isolation Voltage
Device
All
All
All
Symbol
C
iso
R
iso
All
Min
⎯
10
⎯
Typ
1000
⎯
⎯
Max
⎯
⎯
1500
Unit
pF
MΩ
V
dc
General Specifications
Parameter
Calculated Reliability Based upon Telcordia SR-332
Issue 2: Method
I,
Case 3, (I
O
=80%I
O, max
, T
A
=40°C,
Airflow = 200 lfm), 90% confidence
MTBF
FIT
Device
F
F
All
All
⎯
Min
Typ
2,864,101
349
90
11.3 (0.4)
⎯
Max
Unit
Hours
10 /Hours
Minutes
g (oz.)
9
Powered Random Vibration (V
IN
=V
IN, min
, I
O
=I
O, max
, T
A
=25°C, 0 to
5000Hz, 10Grms)
Weight
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Data Sheet
March 26, 2008
KW010/015/020/025 Series Power Modules:
36 – 75Vdc Input; 1.2 to 5.0Vdc Output; 10 to 25A Output current
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions. See Feature Descriptions for additional information.
Parameter
Remote On/Off Signal Interface
(V
IN
=V
IN, min
to V
IN, max
; open collector or equivalent,
Signal referenced to V
IN-
terminal)
Negative Logic: device code suffix “1”
Logic Low = module On, Logic High = module Off
Positive Logic: No device code suffix required
Logic Low = module Off, Logic High = module On
Logic Low - Remote On/Off Current
Logic Low - On/Off Voltage
Logic High Voltage – (Typ = Open Collector)
Logic High maximum allowable leakage current
Turn-On Delay and Rise Times
(I
O
=I
O, max ,
V
IN
=V
IN, nom,
T
A
= 25 C)
Case 1: On/Off input is set to Logic Low (Module
ON) and then input power is applied (delay from
instant at which V
IN
= V
IN, min
until Vo=10% of Vo,set)
Case 2: Input power is applied for at least 1 second
and then the On/Off input is set from OFF to ON (T
delay
=
from instant at which V
IN
=V
IN, min
until V
O
= 10% of V
O, set
).
Output voltage Rise time (time for Vo to rise from 10%
of V
o,set
to 90% of V
o, set
)
Output voltage Rise time (time for Vo to rise from 10%
of V
o,set
to 90% of V
o, set
with max ext capacitance)
Output voltage overshoot – Startup
I
O
= I
O, max
; V
IN
=V
IN, min
to V
IN, max
, T
A
= 25 C
Remote Sense Range
Output Overvoltage Protection
A, F, G
Y, M, P
A
F
G
Y
M
P
Input Undervoltage Lockout
Turn-on Threshold
Turn-off Threshold
Hysterisis
All
All
All
V
uv/on
V
uv/off
V
hyst
⎯
32
2
35
33
⎯
36
⎯
⎯
V
dc
V
dc
V
dc
V
O, limit
V
O, limit
V
O, limit
V
O, limit
V
O, limit
V
O, limit
6.1
4.0
3.1
2.3
2.3
2.0
⎯
⎯
⎯
⎯
⎯
⎯
+10
0.25
7.0
4.6
3.7
3.2
3.2
2.8
% V
O, set
V
dc
V
dc
V
dc
V
dc
V
dc
V
dc
V
dc
o
o
Device
Symbol
Min
Typ
Max
Unit
All
All
All
All
I
on/off
V
on/off
V
on/off
I
on/off
⎯
-0.7
⎯
⎯
⎯
⎯
1.0
1.2
5
mA
V
V
μA
⎯
10
All
Tdelay
―
15
20
msec
All
Tdelay
―
4
10
msec
All
All
Trise
Trise
―
―
8
8
―
12
12
3
msec
msec
% V
O, set
LINEAGE
POWER
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