Data Sheet
July 11, 2011
Naos Raptor 40A Non-Isolated Power Modules
5 – 13.8Vdc input; 0.6Vdc to 5.0Vdc Output; 40A Output Current
Features
Compliant to RoHS EU Directive 2002/95/EC (Z
versions)
Compatible in a Pb-free or SnPb wave-soldering
environment (Z versions)
Wide input voltage range (5Vdc-13.8Vdc)
Output voltage programmable from 0.6Vdc to
5.0Vdc via external resistor
Tunable Loop
response
TM
to optimize dynamic output voltage
Fixed switching frequency
Output overcurrent protection (non-latching)
Over temperature protection
Remote On/Off
Remote Sense
Power Good Signal
Over voltage protection – Hiccup Mode
Small size:
36.8 mm x 27.9 mm x 10.7 mm
(1.45 in. x 1.10 in. x 0.42 in)
RoHS Compliant
Applications
Distributed power architectures
Intermediate bus voltage applications
Telecommunications equipment
Servers and storage applications
Networking equipment
Wide operating temperature range (0°C to 70°C)
UL*
60950 Recognized,
CSA
C22.2 No. 60950-00
‡
rd
Certified, and
VDE
0805 (EN60950-1 3 edition)
Licensed
ISO** 9001 and ISO 14001 certified manufacturing
facilitiesISO** 9001 and ISO 14001 certified
manufacturing facilities
†
Description
The Naos Raptor 40A SIP power modules are non-isolated dc-dc converters in an industry standard package that
can deliver up to 40A of output current with a full load efficiency of 92% at 3.3Vdc output voltage (V
IN
= 12Vdc).
These modules operate over a wide range of input voltage (V
IN
= 5Vdc-13.8Vdc) and provide a precisely regulated
output voltage from 0.6dc to 5.0Vdc, programmable via an external resistor. Features include remote On/Off,
adjustable output voltage, over current and over temperature protection. A new feature, the Tunable Loop
TM
, allows
the user to optimize the dynamic response of the converter to match the load.
*
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: DS06-128 ver. 1.15
PDF name: NSR040A0X_ds.pdf
Data Sheet
July 11, 2011
Naos Raptor 40A Non Isolated Power Module:
5 – 13.8Vdc input; 0.6Vdc to 5.0Vdc Output; 40A 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
Operating Ambient Temperature
(see Thermal Considerations section)
Storage Temperature
All
T
stg
-55
125
°C
All
All
V
IN
T
A
-0.3
0
15
70
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
V
O,set
= 3.3Vdc)
Input No Load Current
(V
IN
= 12Vdc, I
O
= 0, module ON)
Input Stand-by Current
(V
IN
= 12Vdc, 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)
All
All
All
It
130
50
2
Device
All
All
V
O,set
= 0.6 Vdc
V
O,set
= 5.0Vdc
All
Symbol
V
IN
I
IN,max
I
IN,No load
I
IN,No load
I
IN,stand-by
Min
5
Typ
Max
13.8
30
Unit
Vdc
Adc
mA
mA
mA
165
360
23
1
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 a 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 30A (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 11, 2011
Naos Raptor 40A Non Isolated Power Module:
5 – 13.8Vdc input; 0.6Vdc to 5.0Vdc Output; 40A output current
Electrical Specifications
(continued)
Parameter
Output Voltage Set-point
(V
IN
=
IN, min
, I
O
=I
O, max
, T
A
=25°C) V
o, SET
≥
1.2Vdc
V
o, SET
< 1.2Vdc
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 (for V
O
≥
2.5V)
Input range1 (5V – 9V); range2 (9V – 13.8V)
Line (Range1, range2)
Load (I
O
=I
O, min
to I
O, max
)
Line & Load
Output Regulation (for V
O
< 2.5V)
Input range1 (5V – 9V); range2 (9V – 13.8V)
Line (Range1, range2)
Load (I
O
=I
O, min
to I
O, max
)
Line & Load
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
and I
O
=I
O, min
to I
O, max
, Cout = 0μF)
Peak-to-Peak (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Capacitance
ESR
≥
1 mΩ
With the Tunable Loop
ESR
≥
0.15 mΩ
ESR
≥
10 mΩ
Output Current
Output Current Limit Inception (Hiccup Mode )
Output Short-Circuit Current
(V
O
≤250mV)
( Hiccup Mode )
Efficiency
V
IN
= V
IN, nom
, T
A
=25°C
I
O
=I
O, max ,
V
O
= V
O,set
V
O,set
= 0.6Vdc
V
O,set
= 1.2Vdc
V
O,set
= 1.8Vdc
V
O,set
= 2.5Vdc
V
O,set
= 3.3Vdc
V
O,set
= 5.0Vdc
Switching Frequency
1
TM
1`
TM
Device
Symbol
Min
Typ
Max
Unit
All
All
All
V
O, set
V
O, set
V
O, set
–0.8
–10
–1.1%
⎯
⎯
⎯
+0.8
+10
+1.1%
% V
O, set
mV
% V
O, set
All
V
O
0.6
5.0
Vdc
All
All
All
⎯
⎯
⎯
0.3
0.6
0.8
% V
O, set
% V
O, set
% V
O, set
All
All
All
⎯
⎯
⎯
9
12
15
mV
mV
mV
V
o
= 0.6V
V
o
= 1V
V
o
= 1.5V
V
o
= 2.5V
V
o
= 3.3V
V
o
= 5.0V
⎯
⎯
⎯
⎯
⎯
⎯
30
30
40
40
60
60
mV
pk-pk
mV
pk-pk
mV
pk-pk
mV
pk-pk
mV
pk-pk
mV
pk-pk
Without the Tunable Loop
All
All
All
All
All
All
C
O, max
C
O, max
C
O, max
I
o
I
O, lim
I
O, s/c
η
η
η
η
η
η
f
sw
TM
⎯
⎯
⎯
0
103
⎯
⎯
130
5.7
70.9
82.3
86.8
89.5
91.4
93.7
⎯
500
1000
1500
10000
40
180
⎯
μF
μF
μF
Adc
% I
o
Arms
%
%
%
%
%
%
All
⎯
kHz
External capacitors may require using the new Tunable Loop feature to ensure that the module is stable as well as
TM
getting the best transient response. See the Tunable Loop section for details.
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Data Sheet
July 11, 2011
Naos Raptor 40A Non Isolated Power Module:
5 – 13.8Vdc input; 0.6Vdc to 5.0Vdc Output; 40A output current
General Specifications
Parameter
Calculated MTBF (V
IN
=12V, V
O
=5Vdc, I
O
=0.8I
O, max
, T
A
=40°C) Per
Telcordia Issue 2 Method 1 Case 3
Weight
⎯
Min
Typ
4,107,921
17.5 (0.617)
⎯
Max
Unit
Hours
g (oz.)
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions. See Feature Descriptions for additional information.
Parameter
On/Off Signal Interface
(V
IN
=V
IN, min
to V
IN, max
; open collector or equivalent,
Signal referenced to GND)
Logic High (On/Off pin open – Module ON)
Input High Current
Input High Voltage
Logic Low (Module OFF)
Input Low Current
Input Low Voltage
PwGood (Power Good) Signal Interface Open
Collector/Drain
PwGood = High = Power Good
PwGood = Low = Power Not Good
Logic level low voltage
Logic level high voltage
Sink Current, PwGood = low
Turn-On Delay and Rise Times
(V
IN
=V
IN, nom
, I
O
=I
O, max ,
V
O
to within ±1% of steady state)
Case 1: On/Off input is enabled and then
input power is applied (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 one second
and then the On/Off input is enabled (delay from instant
at which On/Off is enabled until V
o
= 10% of V
o, set
)
Output voltage Rise time (time for V
o
to rise from
10% of Vo, set to 90% of Vo, set)
Output voltage overshoot
o
I
O
= I
O, max
; V
IN, min
– V
IN, max
, T
A
= 25 C
Remote Sense Range
Over Temperature Protection
(See Thermal Considerations section)
Input Undervoltage Lockout
Turn-on Threshold
Turn-off Threshold
Overvoltage Protection (Hiccup Mode)
All
All
All
120
4.4
4.2
125
130
4.8
Vdc
Vdc
V
O, set,
%
All
All
T
ref
⎯
⎯
127
All
Tdelay
3
msec
0
2.4
0.4
5.25
4
V
V
mA
All
All
I
IL
V
IL
⎯
-0.3
⎯
⎯
200
0.4
µA
V
All
All
I
IH
V
IH
0.5
1.0
⎯
⎯
3.3
5.5
mA
V
Device
Symbol
Min
Typ
Max
Unit
All
Tdelay
1.2
msec
All
Trise
3
0.5
0.5
msec
% V
O, set
V
ºC
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Data Sheet
July 11, 2011
Naos Raptor 40A Non Isolated Power Module:
5 – 13.8Vdc input; 0.6Vdc to 5.0Vdc Output; 40A output current
Characteristic Curves
The following figures provide typical characteristics for the Naos Raptor 40A modules at 0.6Vout and 25ºC.
85
45
40
OUTPUT CURRENT, Io (A)
80
EFFICIENCY,
η
(%)
Vin = 5V
75
35
30
25
20
15
10
25
30
35
40
45
50
55
60
O
70
Vin = 12V
65
Vin = 14V
2m/s
(400LFM)
1.5m/s
(300LFM)
1m/s
(200LFM)
0.5m/s
(100LFM)
NC
60
0
10
20
30
40
65
70
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 1. Converter Efficiency versus Output Current.
OUTPUT VOLTAGE
OUTPUT CURRENT,
Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.
V
O
(V) (200mV/div)
I
O
(A) (10Adiv)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
TIME, t (1μs/div)
TIME, t (40μs /div)
Figure 3. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
ON/OFF VOLTAGE
Figure 4. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=12V.
V
ON/OFF
(V) (2V/div)
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT VOLTAGE
V
O
(V) (200mV/div)
TIME, t (1ms/div)
V
O
(V) (200mV/div)
V
IN
(V) (5V/div)
TIME, t (1ms/div)
Figure 5. Typical Start-up Using On/Off Voltage (I
o
=
I
o,max
).
Figure 6. Typical Start-up Using Input Voltage (V
IN
=
9V, I
o
= I
o,max
).
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