Data Sheet
January 14, 2011
NQR010A0X4: Non-Isolated DC-DC Power Modules
4.5 – 14Vdc input; 0.59Vdc to 6Vdc Output; 10A output current
Characteristic Curves (continued)
The following figures provide typical characteristics for the NQR010 module at 1.2Vout and at 25ºC.
90
Vin = 12V
11
10
OUTPUT CURRENT, Io (A)
EFFICIENCY,
η
(%)
85
9
8
7
6
5
4
3
25
35
45
55
65
O
Vin = 4.5V
80
2m/s
(400LFM)
1.5m/s
(300LFM)
0.5m/s
(100LFM)
NC
75
Vin = 14V
1m/s (200LFM)
70
0
2
4
6
8
10
75
85
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 7. Converter Efficiency versus Output Current.
OUTPUT VOLTAGE
OUTPUT CURRENT,
Figure 8. Derating Output Current versus Ambient
Temperature and Airflow.
V
O
(V) (500mV/div)
I
O
(A) (5Adiv)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
TIME, t (1μs/div)
TIME, t (100μs /div)
Figure 9. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
ON/OFF VOLTAGE
V
ON/OFF
(V) (5V/div)
Figure 10. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=12V.
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT VOLTAGE
V
O
(V) (500mV/div)
TIME, t (1ms/div)
V
O
(V) (500mV/div)
V
IN
(V) (5V/div)
TIME, t (1ms/div)
Figure 11. Typical Start-up Using On/Off Voltage (I
o
=
I
o,max
).
Figure 12. Typical Start-up Using Input Voltage (V
IN
=
12V, I
o
= I
o,max
).
LINEAGE
POWER
7
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
