GE Industrial Solutions ATM020A0X3-SR - Manual (Page 6)

Data Sheet
September 10, 2013 Austin SuperLynx II TM SMT Non-isolated Power Modules:
2.4 – 3.63Vdc input; 0.75Vdc to 2.0Vdc Output; 20A output current
LINEAGE POWER 6
Characteristic Curves
The following figures provide typical characteristics for the Austin SuperLynx II TM SMT modules at 25ºC.
E
FFI
CIE
N
C
Y
, η
(%)
74
76
78
80
82
84
86
88
90
0 4 8 12 16 20
Vin = 2.4V
Vin = 3.3V
Vin = 3.63V
E
FFI
CIE
N
C
Y
, η
(%)
88
89
90
91
92
93
94
95
96
0 4 8 12 16 20
Vin = 2.4V
Vin = 3.3V
Vin = 3.63V
OUTPUT CURRENT, I
O
(A) OUTPUT CURRENT, I
O
(A)
Figure 1. Converter Efficiency versus Output Current
(Vout = 0.75Vdc). Figure 2. Converter Efficiency versus Output Current
(Vout = 1.8Vdc).
EF
F
IC
IEN
C
Y
, η
(%
)
80
82
84
86
88
90
92
94
0 4 8 12 16 20
Vin = 2.4V
Vin = 3.3V
Vin = 3.63V
IN
P
U
T
CU
RRE
NT
, I
IN
(A
)
0
2
4
6
8
10
12
14
16
18
20
1 1.5 2 2.5 3 3.5 4
Io = 0A
Io = 20A
Io = 10A
OUTPUT CURRENT, I
O
(A) INPUT VOLTAGE, V
IN
(V)
Figure 3. Converter Efficiency versus Output Current
(Vout = 1.2Vdc). Figure 4. Input voltage vs. Input Current
(Vout = 1.8Vdc).
OU
T
P
U
T
C
URREN
T
, O
U
TP
U
T
VOLTAG
E
I O
(A
) (1
0A
/di
v)
V
O
(V
) (2
00
m
V
/d
iv
)
O
U
T
P
UT
CU
RR
E
N
T
,
OUT
P
UT
V
O
LT
A
G
E
I O
(
A
) (
10A
/d
iv
)
V
O
(V)
(100
mV
/d
iv
)
TIME, t (100 μs/div) TIME, t (20 μs/div)
Figure 5. Transient Response to Dynamic Load
Change from 50% to 100% of full load (Vo = 1.2
Vdc).
Figure 6. Transient Response to Dynamic Load
Change from 100% to 50% of full load
(Vo = 1.2 Vdc, Cext = 2x150 μF Polymer Capacitors).