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PDF NSR050A0X432Z Data sheet ( Hoja de datos )
| Número de pieza | NSR050A0X432Z | |
| Descripción | Naos Raptor 50A: Non-Isolated Power Modules | |
| Fabricantes | Lineage Power | |
| Logotipo |  |
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Data Sheet
February 3, 2010
Naos Raptor 50A: Non-Isolated Power Modules
5 – 14Vdc input; 0.6Vdc to 2.0Vdc Output; 50A 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-14Vdc)
Output voltage programmable from 0.6Vdc to
2.0Vdc via external resistor
Tunable Loop to optimize dynamic output voltage
response
Fixed switching frequency
Output overcurrent protection (non-latching)
Over temperature protection
Over voltage protection – Hiccup Mode
Remote On/Off
Power Good Signal
Small size: 36.8 mm x 27.9 mm x 20.1 mm
(1.45 in. x 1.10 in. x 0.79 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 50 SIP power modules are non-isolated dc-dc converters in an industry standard package that can
deliver up to 50A of output current with a full load efficiency of 87% at 1.8Vdc output voltage (VIN = 12Vdc). These
modules operate over a wide range of input voltage (VIN = 5Vdc-14Vdc) and provide a precisely regulated output
voltage from 0.6dc to 2.0Vdc, programmable via an external resistor. Features include remote On/Off, adjustable
output voltage, over current, and over voltage protection. A new feature, the Tunable Loop, allows the user to
optimize the dynamic response of the converter to match the load.
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* 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: DS10-004 ver. 1.05
PDF name: NSR050A0X432_ds.pdf
1 page  
Data Sheet
February 3, 2010
Naos Raptor 50A: Non Isolated Power Module:
5 – 14Vdc input; 0.6Vdc to 2.0Vdc Output; 50A output current
Characteristic Curves
The following figures provide typical characteristics for the Naos Raptor 50A module at 0.6Vout and at 25ºC.
90
85
80
75
70 Vin = 5V Vin = 12V
Vin = 14V
65
60
0
10 20 30 40 50
OUTPUT CURRENT, IO (A)
Figure 1. Converter Efficiency versus Output Current.
60
2m/s
(400LFM)
50
40
30
1m/s
20 (200LFM)
1.5m/s
0.5m/s
NC
(300LFM)
(100LFM)
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.
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TIME, t (1ms/div)
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 =
12V, Io = Io,max).
LINEAGE POWER
5
5 Page 
Data Sheet
February 3, 2010
Naos Raptor 50A: Non Isolated Power Module:
5 – 14Vdc input; 0.6Vdc to 2.0Vdc Output; 50A output current
VOUT
SENSE+
MODULE
TRIM+
TRIM-
RTune
CTune
RTrim
Figure. 25. Circuit diagram showing connection of
RTUME and CTUNE to tune the control loop of the
module.
Table 2. Recommended values of RTUNE and CTUNE
to obtain transient deviation of 2% of Vout for a
25A step load with Vin=12V.
Vout
Cext
RTUNE
CTUNE
ΔV
1.8V
3x47μF
+
7x330uF
Polymer
47
22nF
35mV
1.2V
12x330uF
Polymer
39
100nF
23mV
0.6V
2x47μF
+
24x330uF
Polymer
33
330nF
12mV
Table 3. General recommended values of of RTUNE
and CTUNE for Vin=12V and various external
ceramic capacitor combinations.
Cext 2x47μF 4x47μF 10x47μF 20x47μF 40x47μF
RTUNE Open Open
47
39
33
CTUNE Open Open 3900pF 10nF
22nF
www.DataSheet4U.com
LINEAGE POWER
Thermal Considerations
Power modules operate in a variety of thermal
environments; however sufficient cooling should
always be provided to help ensure reliable operation.
Considerations include ambient temperature, airflow,
module power dissipation, and the need for increased
reliability. A reduction in the operating temperature of
the module will result in an increase in reliability. The
thermal data presented here is based on physical
measurements taken in a wind tunnel. The test set-
up is shown in Figure 26. The preferred airflow
direction for the module is in Figure 27.
Wind Tunnel
PWBs
50.8
[2.00]
Power Module
76.2
[3.0]
7.24
[0.285]
Probe Location
for measuring
airflow and
ambient
temperature
Air
Flow
Figure 26. Thermal Test Set-up.
The thermal reference points, Tref1 and Tref2 used in
the specifications are shown in Figure 27. For reliable
o1p2e0roaCt,ioanndthtehetetmempepreartautruereataTt rTef1refs2hsohuolduldnontoetxecxeceeded
105 oC. Please refer to the Application Note “Thermal
Characterization Process For Open-Frame Board-
Mounted Power Modules” for a detailed discussion of
thermal aspects including maximum device
temperatures.
The output power of the module should not exceed
the rated power of the module (Vo,set x Io,max).
Post solder Cleaning and Drying
Considerations
Post solder cleaning is usually the final circuit-board
assembly process prior to electrical board testing. The
result of inadequate cleaning and drying can affect
both the reliability of a power module and the
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