Data Sheet
December 6, 2010
Naos Raptor 6A: Non-Isolated DC-DC Power Modules
4.5Vdc –14Vdc input; 0.59Vdc to 6Vdc Output; 6A 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 (4.5Vdc-14Vdc)
Output voltage programmable from 0.59 Vdc to 6Vdc
via external resistor
Tunable Loop
response
TM
to optimize dynamic output voltage
RoHS Compliant
Applications
Distributed power architectures
Intermediate bus voltage applications
Telecommunications equipment
Servers and storage applications
Networking equipment
Industrial Applications
Fixed switching frequency
Output overcurrent protection (non-latching)
Over temperature protection
Remote On/Off
Cost efficient open frame design
Small size:
10.4 mm x 16.5 mm x 7.84 mm
(0.41 in x 0.65 in x 0.31 in)
Wide operating temperature range (-40°C to 85°C)
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 Naos Raptor 6A SIP power modules are non-isolated dc-dc converters in an industry standard package that
can deliver up to 6A of output current with a full load efficiency of 91.5% at 3.3Vdc output voltage (V
IN
= 12Vdc).
These modules operate over a wide range of input voltage (V
IN
= 4.5Vdc-14Vdc) and provide a precisely regulated
output voltage from 0.59Vdc to 6Vdc, programmable via an external resistor. Features include remote On/Off,
TM
adjustable output voltage, over current and over temperature protection. A new feature, the Tunable Loop , 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: DS06-125 ver. 1.12
PDF name: NSR006A0X_ds.pdf
Data Sheet
December 6, 2010
Naos Raptor 6A: Non-isolated DC-DC Power Modules
4.5 – 14Vdc input; 0.59Vdc to 6Vdc Output; 6A 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
T
A
-40
85
°C
Device
All
Symbol
V
IN
Min
-0.3
Max
15
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
=4.5V to 14V, I
O
=I
O, max
)
Input No Load Current
(V
IN
= 9Vdc, I
O
= 0, module ON)
(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
=0 to
14V
,
I
O
= I
Omax
; See Test Configurations)
Input Ripple Rejection (120Hz)
All
All
All
It
35
50
2
Device
All
All
Symbol
V
IN
I
IN,max
Min
4.5
Typ
12
Max
14
5.5
Unit
Vdc
Adc
V
O,set
= 0.6 Vdc
V
O,set
= 5.0Vdc
All
I
IN,No load
I
IN,No load
I
IN,stand-by
30
50
1
1
mA
mA
mA
As
mAp-p
dB
2
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Data Sheet
December 6, 2010
Naos Raptor 6A: Non-isolated DC-DC Power Modules
4.5 – 14Vdc input; 0.59Vdc to 6Vdc Output; 6A output current
Electrical Specifications (continued)
Parameter
Output Voltage Set-point (with 0.5% tolerance
for external resistor used to set output voltage)
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
≥
2.5Vdc)
Line (V
IN
=V
IN, min
to V
IN, max
)
Load (I
O
=I
O, min
to I
O, max
)
Output Regulation (for V
o
<2.5Vdc)
Line (V
IN
=V
IN, min
to V
IN, max
)
Load (I
O
=I
O, min
to I
O, max
)
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
and I
O
=I
O, min
to I
O, max
Cout = 0.0μF)
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)
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
= 9Vdc)
V
O,set
= 0.59Vdc
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
V
O,set
= 6.0Vdc
Switching Frequency
All
η
η
η
η
η
η
η
f
sw
⎯
71.8
81.6
86.7
89.7
91.9
94.2
95.1
600
⎯
%
%
%
%
%
%
%
kHz
V
IN
= 12Vdc, T
A
=25°C
I
O
=I
O, max ,
V
O
= V
O,set
TM
1
TM
Device
All
All
Symbol
V
O, set
V
O, set
Min
-1.5
-3.0
Typ
Max
+1.5
Unit
% V
O, set
% V
O, set
⎯
+3.0
All
V
O
0.59
6
Vdc
All
All
All
All
-0.2
⎯
⎯
+0.2
0.8
+5
20
% V
O, set
% V
O, set
mV
mV
-5
⎯
⎯
V
O
= 0.59Vdc
V
O
= 1.2Vdc
V
O
= 1.8Vdc
V
O
= 2.5Vdc
V
O
= 3.3Vdc
V
O
= 5.0Vdc
V
O
= 6.0Vdc
⎯
⎯
⎯
⎯
⎯
⎯
⎯
20
23
25
30
40
50
60
mV
pk-pk
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
0
0
0
0
⎯
⎯
⎯
150
9.3
200
1000
5000
6
μF
μF
μF
Adc
% I
o,max
Adc
1
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.
TM
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Data Sheet
December 6, 2010
Naos Raptor 6A: Non-isolated DC-DC Power Modules
4.5 – 14Vdc input; 0.59Vdc to 6Vdc Output; 6A 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 Method
Weight
⎯
Min
Typ
8,727,077
2.9 (0.10)
⎯
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
Turn-On Delay and Rise Times
(I
O
=I
O, max ,
V
IN
= V
IN, nom,
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 Vo=10% of Vo,set)
Case 2: Input power is applied for at least one second
and then On/Off input is set enabled (delay from
instant at which On/Off is enabled until Vo=10% of Vo,
set)
Output voltage Rise time (time for Vo to rise from 10%
of V
o,set
to 90% of Vo, set)
Output voltage overshoot
I
O
= I
O, max
; V
IN
= V
IN, min
to V
IN, max
, T
A
= 25 C
Overtemperature Protection
Input Undervoltage Lockout
Turn-on Threshold
Turn-off Threshold
All
All
4.2
4.1
Vdc
Vdc
All
120
ºC
o
Device
Symbol
Min
Typ
Max
Unit
All
All
All
All
I
IH
V
IH
I
IL
V
IL
1.0
―
-0.3
―
―
―
―
0.5
12
200
0.4
mA
V
μA
V
All
Tdelay
2
3
msec
All
Tdelay
2
3
msec
All
Trise
3
5
0.5
msec
% V
O, set
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Data Sheet
December 6, 2010
Naos Raptor 6A: Non-isolated DC-DC Power Modules
4.5 – 14Vdc input; 0.59Vdc to 6Vdc Output; 6A output current
Characteristic Curves
The following figures provide typical characteristics for the Naos Raptor 6A module at 0.6Vout and at 25ºC.
82
80
7
OUTPUT CURRENT, Io (A)
6
NC
EFFICIENCY,
η
(%)
78
Vin = 4.5V
76
74
72
70
0
1
2
3
4
5
6
Vin = 6V
Vin = 9V
5
4
3
25
35
45
55
65
O
75
85
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) (2Adiv)
OUTPUT VOLTAGE
V
O
(V) (10mV/div)
TIME, t (1μs/div)
TIME, t (100μs /div)
Figure 3. Typical output ripple and noise (V
IN
= 9V, I
o
=
I
o,max
).
OUTPUT VOLTAGE
V
O
(V) (200mV/div)
Figure 4. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=9V.
OUTPUT VOLTAGE
INPUT VOLTAGE
ON/OFF VOLTAGE
V
ON/OFF
(V) (5V/div)
TIME, t (1ms/div)
V
IN
(V) (5V/div)
V
O
(V) (200mV/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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