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PDF NSR040A0X43Z Data sheet ( Hoja de datos )
| Número de pieza | NSR040A0X43Z | |
| Descripción | Naos Raptor 40A: Non-Isolated Power Modules | |
| Fabricantes | Lineage Power | |
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Data Sheet
January 14, 2011
Naos Raptor 40A Non-Isolated Power Modules
5 – 13.8Vdc input; 0.6Vdc to 5.0Vdc Output; 40A Output Current
RoHS Compliant
Applications
Distributed power architectures
Intermediate bus voltage applications
Telecommunications equipment
Servers and storage applications
Networking equipment
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 LoopTM to optimize dynamic output voltage
response
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)
Wide operating temperature range (0°C to 70°C)
UL* 60950 Recognized, CSA† C22.2 No. 60950-00
Certified, and VDE‡ 0805 (EN60950-1 3rd 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 (VIN = 12Vdc).
These modules operate over a wide range of input voltage (VIN = 5Vdc-13.8Vdc) and provide a precisely regulated
www.DataSheet4Uoaud.cjtuopsumttavboleltaoguetpfurot mvo0lt.a6gdec,
to 5.0Vdc, programmable via an external resistor. Features include remote On/Off,
over current and over temperature protection. A new feature, the Tunable LoopTM, 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. 1.14
PDF name: NSR040A0X_ds.pdf
1 page  
Data Sheet
January 14, 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
80
Vin = 5V
75
70
65
Vin = 12V
Vin = 14V
40
35
30
2m/s
25 (400LFM)
1.5m/s
20
(300LFM) 1m/s
(200LFM)
NC
15
0.5m/s
(100LFM)
60
0 10 20 30 40
OUTPUT CURRENT, IO (A)
Figure 1. Converter Efficiency versus Output Current.
10
25 30 35 40 45 50 55 60 65
AMBIENT TEMPERATURE, TA OC
Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.
70
TIME, t (1μs/div)
Figure 3. Typical output ripple and noise (VIN = 12V, Io =
Io,max).
TIME, t (40μs /div)
Figure 4. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with VIN=12V.
TIME, t (1ms/div)
www.DataSheet4U.com
Figure 5. Typical Start-up Using On/Off Voltage (Io =
Io,max).
TIME, t (1ms/div)
Figure 6. Typical Start-up Using Input Voltage (VIN =
9V, Io = Io,max).
LINEAGE POWER
5
5 Page 
Data Sheet
January 14, 2011
Naos Raptor 40A Non Isolated Power Module:
5 – 13.8Vdc input; 0.6Vdc to 5.0Vdc Output; 40A output current
Test Configurations
TO OSCILLOSCOPE
LTEST
1μH
CURRENT PROBE
VIN(+)
CS 1000μF
Electrolytic
E.S.R.<0.1Ω
@ 20°C 100kHz
CIN
2x100μF
Tantalum
COM
NOTE: Measure input reflected ripple current with a simulated
source inductance (LTEST) of 1μH. Capacitor CS offsets
possible battery impedance. Measure current as shown
above.
Figure 37. Input Reflected Ripple Current Test
Setup.
VO (+)
COM
COPPER STRIP
1uF .
10uF
SCOPE
RESISTIVE
LOAD
GROUND PLANE
NOTE: All voltage measurements to be taken at the module
terminals, as shown above. If sockets are used then
Kelvin connections are required at the module terminals
to avoid measurement errors due to socket contact
resistance.
Figure 38. Output Ripple and Noise Test Setup.
Rdistribution Rcontact
VIN(+)
VO
Rcontact Rdistribution
VIN VO
RLOAD
Rdistribution Rcontact
COM COM
Rcontact Rdistribution
NOTE: All voltage measurements to be taken at the module
terminals, as shown above. If sockets are used then
Kelvin connections are required at the module terminals
to avoid measurement errors due to socket contact
resistance.
Figure 39. Output Voltage and Efficiency Test
Setup.
www.DataSheet4U.coEmfficiency η =
VO. IO
VIN. IIN
x 100 %
Design Considerations
Input Filtering
The Naos Raptor 40A module should be connected
to a low-impedance source. A highly inductive
source can affect the stability of the module. An
input capacitance must be placed directly adjacent
to the input pin of the module, to minimize input
ripple voltage and ensure module stability.
To minimize input voltage ripple, low-ESR ceramic
capacitors are recommended at the input of the
module. Figure 40 shows the input ripple voltage for
various output voltages at 40A of load current with
1x22 µF or 2x22 µF ceramic capacitors and an input
of 12V.
300
250 1x22uF
200 2x22uF
150
100
50
0
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Output Voltage (Vdc)
Figure 40. Input ripple voltage for various output
voltages with 1x22 µF or 2x22 µF ceramic
capacitors at the input (40A load). Input voltage is
12V.
Output Filtering
The Naos Raptor 40A modules are designed for low
output ripple voltage and will meet the maximum
output ripple specification with no external capacitors.
However, additional output filtering may be required
by the system designer for a number of reasons.
First, there may be a need to further reduce the
output ripple and noise of the module. Second, the
dynamic response characteristics may need to be
customized to a particular load step change.
To reduce the output ripple and improve the dynamic
response to a step load change, additional
capacitance at the output can be used. Low ESR
ceramic and polymer are recommended to improve
the dynamic response of the module. For stable
operation of the module, limit the capacitance to less
than the maximum output capacitance as specified in
the electrical specification table. Optimal
performance of the module can be achieved by using
the Tunable LoopTM feature described later in this
data sheet.
LINEAGE POWER
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