GE Industrial Solutions NQR002A0X4 - Manual (Page 3)

Preliminary Data Sheet
February 28, 2012 NQR002A0X4: Non-Isolated DC-DC Power Modules
3 – 14Vdc input; 0.6Vdc to 5.5Vdc Output; 2A output current
LINEAGE POWER 3
Electrical Specifications (continued)
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point (with 0.5% tolerance
for external resistor used to set output voltage)
All V
O, set
-1.5 +1.5 % V
O, set
Output Voltage All V
O, set
-3.0 ⎯ +3.0 % V
O, set
(Over all operating input voltage, resistive load,
and temperature conditions until end of life)
Adjustment Range All V
O
0.6 5.5 Vdc
Selected by an external resistor
Output Regulation (for V
o
≥ 2.5Vdc)
Line (V
IN
=V
IN, min
to V
IN, max
) All -0.4 ⎯ +0.4 % V
O, set
Load (I
O
=I
O, min
to I
O, max
) All ⎯ 0.8 % V
O, set
Output Regulation (for V
o
<2.5Vdc)
Line (V
IN
=V
IN, min
to V
IN, max
) All -10 ⎯ +10 mV
Load (I
O
=I
O, min
to I
O, max
) All ⎯ 20 mV
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
and I
O
=I
O, min
to I
O, max
Cout = 22μF)
Peak-to-Peak (5Hz to 20MHz bandwidth) All ⎯ 50 100 mV
pk-pk
RMS (5Hz to 20MHz bandwidth) All ⎯ 20 38 mV
rms
External Capacitance 1
Without the Tunable Loop TM
ESR ≥ 1 mΩ All C
O, max
22 ⎯ 47 μF
With the Tunable Loop TM
ESR ≥ 0.15 mΩ All C
O, max
0 ⎯ 1000 μF
ESR ≥ 10 mΩ All C
O, max
0 ⎯ 3000 μF
Output Current All I
o
0 2 Adc
Output Current Limit Inception (Hiccup Mode ) All I
O, lim
180 % I
o,max
Output Short-Circuit Current All I
O, s/c
140 Arms
(V
O
≤250mV) ( Hiccup Mode )
Efficiency (V
IN
= 6Vdc) V
O,set
= 0.6Vdc η 69.2 %
V
IN
= 12Vdc, T
A
=25°C V
O, set
= 1.2Vdc η 80.4 %
I
O
=I
O, max ,
V
O
= V
O,set
V
O,set
= 1.8Vdc η 85.5 %
V
O,set
= 2.5Vdc η 88.9 %
V
O,set
= 3.3Vdc η 91 %
V
O,set
= 5.0Vdc η 93.3 %
Switching Frequency All f
sw
⎯ 600 ⎯ kHz
1 External capacitors may require using the new Tunable Loop feature to ensure that the module is stable as well as
getting the best transient response. See the Tunable Loop TM section for details.