Characteristic curves, Continued) – GE Industrial Solutions Naos Raptor 20A User Manual
Page 6

Data Sheet
July 11, 2011
Naos Raptor 20A: Non Isolated Power Module:
4.5 – 14Vdc input; 0.59Vdc to 6Vdc Output; 20A output current
LINEAGE
POWER
6
Characteristic Curves
(continued)
The following figures provide typical characteristics for the Naos Raptor 20A modules at 1.2Vout and 25ºC.
EF
FI
CI
EN
C
Y
, η
(%)
70
75
80
85
90
95
0
5
10
15
20
Vin = 4.5V
Vin = 12V
Vin = 14V
O
U
T
P
UT
CU
RRE
NT
, Io
(A
)
8
10
12
14
16
18
20
22
25
35
45
55
65
75
85
NC
0.5m/s
(100LFM)
1m/s
(200LFM)
1.5m/s
(300LFM)
2m/s
(400LFM)
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
O
C
Figure 7. Converter Efficiency versus Output Current.
Figure 8. Derating Output Current versus Ambient
Temperature and Airflow.
O
U
TP
U
T
VOLTAGE
V
O
(V
) (
1
0m
V
/d
iv)
OU
TP
U
T
CU
RR
ENT
,
OUT
P
UT
VO
LT
A
G
E
I
O
(A
)
(5
A
div
)
V
O
(V
) (2
00
m
V
/d
iv
)
TIME, t (1
μs/div)
TIME, t (20
μs /div)
Figure 9. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
Figure 10. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=12V.
O
U
T
P
UT
VO
LT
AG
E
O
N
/O
F
F
VO
LT
AG
E
V
O
(
V
) (
5
00
mV/d
iv
)
V
ON
/O
F
F
(
V
)
(2V/
di
v)
O
U
TPU
T
VOL
T
AGE
I
N
PU
T
VOLTAG
E
V
O
(
V
) (
5
00
mV/d
iv
)
V
IN
(
V
) (5
V
/div)
TIME, t (1ms/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
).