Data Sheet
July 21, 2008
JRW017/040/060/065/070 Series Power Modules;DC-DC Converter
36- 75Vdc Input, 1.2Vdc to 12Vdc Output;17A/40A/60A/65A/70A
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 70A Output current
High efficiency – 91% at 3.3V full load
Improved Thermal Performance:
42A at 70ºC at 1m/s (200LFM) for 3.3V
o
Low output voltage-supports migration to future IC
supply voltages down to 1.0V
Applications
Distributed power architectures
Wireless Networks
Optical and Access Network Equipment
Enterprise Networks
Latest generation IC’s (DSP, FPGA, ASIC)
and Microprocessor powered applications
Industry standard Half brick footprint
61.0mm x 58.4mm x 9.5mm
(2.40in x 2.30in x 0.38in)
High power density and Low output ripple and noise
2:1 Input voltage range
Constant switching frequency
Output overcurrent/voltage/Overtemperature
protection
Single Tightly regulated output
Options
Auto restart after fault protection shutdown
Positive logic, Remote On/Off
Case ground pin (-H Baseplate option)
Active load sharing (Parallel Operation)
Remote sense
Adjustable output voltage (+10%/ -20%)
Negative logic, Remote On/Off
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 certified manufacturing facilities
Description
The JRW series provide up to 70A output current in an industry standard half brick, which makes it an ideal choice
for optimum space, high current and low voltage applications. The converter incorporates synchronous rectification
technology and innovative packaging techniques to achieve high efficiency reaching 91% at 3.3V full load. The ultra
high efficiency of this converter leads to lower power dissipation such that for most applications a heat sink is not
required. The output is fully isolated from the input, allowing versatile polarity configurations and grounding
connections. 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: DS03-120 ver 1.23
PDF name: jrw017-070a_series.ds.pdf
Data Sheet
July 21, 2008
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
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
All
All
T
stg
-55
125
1500
°C
Vdc
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
=0 to 75V , 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 Figure 31)
Input Ripple Rejection (120Hz)
All
All
All
All
I
IN,max
It
-
15
60
2
Device
All
Symbol
V
IN
Min
36
Typ
48
Max
75
7
1
-
Unit
Vdc
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 an
integrated part of sophisticated 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 time-delay fuse with a maximum rating of 20A (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
July 21, 2008
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
Electrical Specifications
(continued)
Parameter
Output Voltage Set-point
(V
IN
=V
IN,nom
, I
O
=I
O, max
, T
ref
=25°C)
Device
P
M
Y
G
F
A
B
Output Voltage
(Over all operating input voltage,
resistive load, and temperature
conditions until end of life)
P
M
Y
G
F
A
B
Output Regulation
Line (V
IN
= V
IN, min
to V
IN, max
)
Load (I
O
= I
O, min
to I
O, max
)
Temperature (T
A
=-40ºC to +85ºC)
Output Ripple and Noise on nominal
output
(V
IN
=V
IN, nom
and I
O
= I
O, min
to I
O, max
,
C
out
= 1μF ceramic // 10μF Tantalum
capacitor)
RMS (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz
bandwidth)
External Capacitance
Output Current
P,M,Y,G,F
A,B
P,M
G,Y
F
A
B
Output Current Limit Inception
P,M
G,Y
F
A
B
Output Short-Circuit Current
V
O
≤
250 mV @ 25 C
o
Symbol
V
O, set
Min
1.18
1.47
1.77
2.47
3.24
4.95
11.76
Typ
1.20
1.50
1.80
2.50
3.30
5.0
12.0
⎯
⎯
⎯
⎯
⎯
⎯
⎯
0.05
0.05
15
Max
1.22
1.52
1.83
2.53
3.36
5.05
12.24
1.24
1.55
1.85
2.58
3.40
5.15
12.36
0.2
0.2
50
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
V
O
1.16
1.45
1.75
2.42
3.20
4.85
11.64
⎯
⎯
⎯
% V
O, nom
% V
O, nom
mV
⎯
⎯
C
Out,ext
C
Out,ext
I
o
⎯
⎯
0
0
0
0
0
I
O, cli
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
80
73
64
50
21
Latched-
off
40
100
30,000
10,000
70
65
60
40
17
⎯
⎯
⎯
⎯
⎯
mV
rms
mV
pk-pk
μF
μF
A
A
A
A
A
A
A
A
A
A
All
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Data Sheet
July 21, 2008
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
Electrical Specifications
(continued)
Parameter
Efficiency
(V
IN
=V
IN,nom
, I
O
=I
O, max
, V
O
= V
O,set
T
A
=25°C)
Device
P
M
Y
G
F
A
B
Switching Frequency
Dynamic Load Response
(ΔIo/Δt=1A/10μs; V
in
=V
in
,nom; T
A
=25°C;
Tested with a 10
μF
aluminum and a 1.0
μF
tantalum capacitor across the load.)
Load Change from Io= 50% to 75% of
Io,max:
Peak Deviation
Settling Time (Vo<10% peak deviation)
F,A
B
Load Change from Io= 75% to 50% of
Io,max:
Peak Deviation
Settling Time (Vo<10% peak deviation)
F,A
B
f
sw
Symbol
η
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Typ
84
86
87
90
91
92
92
300
Max
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Unit
%
%
%
%
%
%
%
kHz
P,M,Y,G
V
pk
t
s
V
pk
t
s
V
pk
t
s
⎯
⎯
⎯
⎯
⎯
⎯
6
300
4
300
3
500
⎯
⎯
⎯
⎯
⎯
⎯
%V
O, set
μs
%V
O, set
μs
%V
O, set
μs
P,M,Y,G
V
pk
t
s
V
pk
t
s
V
pk
t
s
⎯
⎯
⎯
⎯
⎯
⎯
6
300
4
300
3
500
⎯
⎯
⎯
⎯
⎯
⎯
%V
O, set
μs
%V
O, set
μs
%V
O, set
μs
Isolation Specifications
Parameter
Isolation Capacitance
Isolation Resistance
Symbol
C
ISO
R
ISO
Min
⎯
10
Typ
2700
⎯
Max
⎯
⎯
Unit
pF
MΩ
General Specifications
Parameter
Calculated MTBF (I
O
= 80% of I
O, max
, T
A
=40°C, airflow=1m/s (400LFM)
Weight
⎯
Min
Typ
1,363,000
60.3 (2.1)
⎯
Max
Unit
Hours
g (oz.)
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Data Sheet
July 21, 2008
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
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
I
= V
I
,min to V
I
, max; Open collector or equivalent
Compatible, signal referenced to V
I
(-) 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 Specification
Remote On/Off Current-Logic Low
On/Off Voltage:
Logic Low
Logic High (Typ=Open Collector)
Logic High maximum allowable leakage current
Turn-On Delay and Rise Times
(I
O
=I
O, max
)
T
delay
= Time until V
O
= 10% of V
O,set
from either
application of Vin with Remote On/Off set to On or
operation of Remote On/Off from Off to On with Vin
already applied for at least one second.
P
M
Y
G
F
A
B
T
rise
= time for V
O
to rise from 10% of V
O,set
to 90%
of V
O,set
.
P
M
Y
G
F
A
B
Output voltage adjustment range (TRIM)
Output Voltage Remote sense range
Output Voltage Set-point Adjustment range
Output Over voltage protection
P
M
Y
G
F
A
B
Over temperature Protection
Input Undervoltage Lockout
Turn-on Threshold
Turn-off Threshold
All
T
ref
V
in, OVLO
⎯
30
34.5
32.5
36
⎯
V
V
V
Oovsd
V
sense
T
rise
T
delay
―
―
―
―
―
―
―
―
―
―
―
―
―
―
2
2
2
5
2
2.5
2.5
1
1
1
3
1
1
1
―
―
―
―
―
―
―
―
―
―
―
―
―
―
―
10
110
1.6
2.2
2.6
3.4
4.6
6.5
16
⎯
msec
msec
msec
msec
msec
msec
msec
msec
msec
msec
msec
msec
msec
msec
% V
O, nom
% V
O, nom
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
°C
All
All
All
V
on/Off
V
on/Off
I
on/Off
0.0
―
―
―
―
―
1.2
15
50
V
V
μA
All
I
on/Off
―
0.15
1.0
mA
Device
Symbol
Min
Typ
Max
Unit
―
80
1.4
1.8
2.3
2.9
3.8
5.7
14
⎯
―
―
―
―
―
―
―
―
127
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