Data Sheet
March 21, 2006
SW/SC001/003 Series DC-DC Converter Power Modules:
18-36V & 36-75Vdc Input; 3.3V-15Vdc Output; 1-3.5A 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 3.5A Output current
15V (1A), 12V (1.25A), 5.0V (3A) and 3.3V (3.5A)
High efficiency – 86% at 5.0V full load (V
IN
=54 Vdc)
Low output ripple and noise
Small Size and low profile
Applications
Wireless Networks
Distributed power architectures
Optical and Access Network Equipment
Enterprise Networks
Latest generation IC’s (DSP, FPGA, ASIC)
and Microprocessor powered applications
27.94mm x 24.38mm x
8.5mm
(1.10 x 0.96 x 0.335 in)
Industry Standard pin-out:
TH version is LW series compatible
Surface mount or Through hole (TH)
Remote On/Off (optional pin on TH version)
Output overcurrent/voltage protection
Single Tightly regulated output
Options
Remote On/Off logic (positive or negative)
Output voltage adjustment-Trim pin optional
for h version (Suffix 9)
Surface Mount/Tape and Reel (-SR Suffix)
Approved for Basic Insulation (-B suffix)
Output voltage adjustment trim
±10%
Wide operating temperature range (-40°C to 85°C)
Meets the voltage insulation requirements for ETSI
300-132-2 and complies with and is Licensed for
Basic Insulation rating per EN 60950
CE mark meets 73/23/EEC and 93/68/EEC
§
directives
UL*
60950-1Recognized,
CSA
C22.2 No. 60950-1-
03 Certified, and
VDE
‡
0805:2001-12 (EN60950-1)
Licensed
ISO** 9001 and ISO 14001 certified manufacturing
facilities
†
Description
The SW/SC series power modules are isolated dc-dc converters that operate over a wide range of input voltage (V
IN
= 18 - 36Vdc for SC modules and V
IN
= 36 – 75Vdc for SW modules) and provide a single precisely regulated
output. This series is a low cost, smaller size alternative to the existing LW/LAW/LC with enhanced performance
parameters. The output is fully isolated from the input, allowing versatile polarity configurations and grounding
connections. The modules exhibit high efficiency, typical efficiency of 86% for 5.0V/3A. Built-in filtering for both
input and output minimizes the need for external filtering.
*
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.
** ISO is a registered trademark of the International Organization of Standards
Document No: DS03-086 ver. 1.6
PDF name: sw001-002-003_series.pdf
Data Sheet
March 21, 2006
SW/SC001/003 Series DC-DC Power Module:
18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A 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 (100ms)
Operating Ambient Temperature
(see Thermal Considerations section)
Storage Temperature
I/O Isolation Voltage
All
All
T
stg
-55
125
2250
°C
Vdc
Device
SW
SC
All
All
Symbol
V
IN
V
IN
V
IN, trans
T
A
Min
-0.3
-0.3
-0.3
-40
Max
80
50
100
85
Vdc
°C
Unit
Vdc
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
=0V to 75V, I
O
=I
O, max
)
(V
IN
=0V to 36V, I
O
=I
O, max
)
Inrush Transient
Input Reflected Ripple Current, peak-to-peak
(5Hz to 20MHz, 12µH source impedance; V
IN
=0V to
75V, I
O
= I
Omax
; see Test configuration section)
Input Ripple Rejection (120Hz)
EMC, EN55022
Device
SW
SC
SW
SC
All
All
All
Symbol
V
IN
V
IN
I
IN,max
I
IN,max
It
30
50
See EMC Considerations section
2
Min
36
18
Typ
54
27
Max
75
36
0.6
1.2
0.05
Unit
Vdc
Vdc
Adc
Adc
As
mAp-p
dB
2
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 being
part of complex power architecture. 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 fast-
acting fuse with a maximum rating of 3A (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.
Tyco Electronics Power Systems
2
Data Sheet
March 21, 2006
SW/SC001/003 Series DC-DC Power Module:
18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A Output Current
Electrical Specifications
(continued)
Parameter
Output Voltage Set-point
(V
IN
=V
IN,nom
, I
O
=I
O, max
, T
A
=25°C)
Output Voltage
(Over all operating input voltage, resistive
load, and temperature conditions until end
of life)
Adjustment Range
Selected by 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
Measured with 10uF Tantalum and 1uF
ceramic
(V
IN
=V
IN, nom
I
O
=80%I
O, max
T
A
=25°C)
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
Output Current
5V, 3.3V
5V, 3.3V
15V, 12V
15V, 12V
3.3V, 5V
12V, 15V
15V
12V
5V
3.3V
Output Current Limit Inception
(Hiccup Mode)
15V
12V
5V
3.3V
Output Short-Circuit Current
V
O
≤
250 mV @ 25 C
o
Device
All
Symbol
V
O, set
Min
-1.5
Typ
Max
+1.5
Unit
% V
O, set
V
O
-3.0
+3.0
% V
O, set
All
V
O, adj
-10.0
+10.0
% V
O, set
All
All
All
0.05
0.05
0.2
0.2
1.00
% V
O, set
% V
O, set
% V
O, set
C
O, max
C
O, max
I
o
I
o
I
o
I
o
I
O, lim
I
O, lim
I
O, lim
I
O, lim
I
O, s/c
I
O, s/c
I
O, s/c
I
O, s/c
η
η
η
η
η
η
η
0
0
0
0
0
0
1.1
1.4
3.2
3.7
4.2
88.0
87.0
86.0
85.0
85.0
85.5
85.5
25
75
35
100
1000
220
1.0
1.25
3.0
3.5
0.8
1.2
0.7
1.5
mV
rms
mV
pk-pk
mV
rms
mV
pk-pk
µF
µF
Adc
Adc
Adc
Adc
Adc
Adc
Adc
Adc
A rms
A rms
A rms
A rms
%
%
%
%
15V
12V
5V
3.3V
Efficiency
V
IN
=V
IN, nom
, T
A
=25°C
I
O
=I
O, max,
V
O
= V
O, set
SW (15V)
SW (12V)
SW (5.0V)
SW (3.3V)
SC (12V)
SC (5.0V)
SC (3.3V)
Switching Frequency (Variable with Line &
Load)
V
IN
=V
IN, nom
and I
O
= I
O, max
V
IN
=V
IN, nom
and I
O
= 0.5 x I
O, max
All
All
f
sw
f
sw
300
440
kHz
kHz
Tyco Electronics Power Systems
3
Data Sheet
March 21, 2006
SW/SC001/003 Series DC-DC Power Module:
18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A Output Current
Electrical Specifications
(continued)
Parameter
Dynamic Load Response
(∆Io/∆t=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)
All
All
V
pk
t
s
1.5
800
% V
O, set
µs
Device
Symbol
Min
Typ
Max
Unit
Isolation Specifications
Parameter
Isolation Capacitance
Isolation Resistance
I/O Isolation Voltage
Symbol
C
iso
R
iso
All
Min
10
Typ
65
Max
2250
Unit
pF
MΩ
Vdc
General Specifications
Parameter
Calculated MTBF (for SW003A0A91 in accordance with Tyco RIN:
I
O
=80% of I
O, max
, T
A
=25°C, airflow=1m/s)
Weight
Min
Typ
8,200,000
9.0 (0.32)
Max
Unit
Hours
g (oz.)
Tyco Electronics Power Systems
4
Data Sheet
March 21, 2006
SW/SC001/003 Series DC-DC Power Module:
18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A 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
=80% of I
O, max
, T
A
=25°C)
Case 1: On/Off input is set ON and then input
power is applied (T
delay
= from instant at which
V
IN
=V
IN, min
until V
O
= 10% of V
O, set
).
Case 2: Input power is applied for at least 1
second and then 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
).
T
rise
= time for V
O
to rise from 10% of V
O, set
to
90% of V
O, set
.
T
rise
= time for V
O
to rise from 10% of V
O, set
to
90% of V
O, set
with max ext capacitance
Output Voltage Overshoot
(I
O
=80% of I
O, max
, V
IN
= 54V, T
A
=25°C)
Output Overvoltage Protection
15V
12V
5.0V
3.3V
Input Undervoltage Lockout
Turn-on Threshold
Turn-off Threshold
Hysterisis
Turn-on Threshold
Turn-off Threshold
Hystersis
SW
SW
SW
SC
SC
SC
V
uv/on
V
uv/off
V
hyst
V
uv/on
V
uv/off
V
hyst
27.5
13.5
33
30.5
2.5
17
14.5
3.0
36
18
V
V
V
V
V
V
V
O, limit
V
O, limit
V
O, limit
V
O, limit
16.6
13.3
5.6
3.7
21.0
16.0
7.0
5.4
V
V
V
V
All
T
delay
Case1
Device
Symbol
Min
Typ
Max
Unit
All
All
All
All
I
on/off
V
on/off
V
on/off
I
on/off
-0.7
5.8
1.0
1.2
15
50
mA
V
V
µA
20
50
ms
All
T
delay
Case2
20
50
ms
All
All
T
rise
T
rise
0.1
1.5
1
3
ms
ms
% V
O, set
Tyco Electronics Power Systems
5
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