TDK Xeta Half Brick-iHG - Manual (Page 8)

Data Sheet: Xeta  iHG48070A033V, 3.3V/70A Output Half Brick Series
©2008 TDK Innoveta Inc.
iHG Datasheet 2008-05-15 Revision 1.1
℡ (877) 498-0099
8/16
Electrical Characteristics (continued):
0
0.6
1.2
1.8
2.4
3
3.6
0 10 20 30 40 50 60 70 80 90
Output Current (A)
O
u
tp
u
t
V
o
lta
g
e
(
V
)
Vin = 36V Vin = 48V Vin = 75V Vin = 60V
0
2
4
6
8
10
30 35 40 45 50 55 60 65 70 75
Input Voltage (V)
In
p
u
t
C
u
rr
e
n
t
(A
)
Io_min = 7A Io_mid = 35A Io_max = 70.7A
Output Current Limit Characteristics vs. Input Voltage
Typical Input Current vs. Input Voltage Characteristics
3.294
3.295
3.296
3.297
3.298
3.299
7 14 21 28 35 42 49 56 63 70
Output Current (A)
O
u
tp
u
t
V
o
lta
g
e
(
V
)
Vin = 36V Vin = 48V Vin = 75V Vin = 60V
3.295
3.296
3.297
3.298
3.299
3.3
36 40 44 48 52 56 60 64 68 72 76
Input Voltage (V)
O
u
tp
u
t
V
o
lta
g
e
(
V
)
Io_min = 7A Io_mid = 35A Io_max = 70.7A
Typical Output Voltage vs. Load Current at Ta=25C. Typical Output Voltage vs. Input Voltage at Ta=25C.
0
0.6
1.2
1.8
2.4
3
3.6
30 31 32 33 34 35 36 37 38
Input Voltage (V)
O
u
tp
u
t
V
o
lta
g
e
(
V
)
Io_min = 7A Io_mid = 35A Io_max = 70.7A
%
Change
of Vout Trim
Down
Resistor
(Kohm) %
Change
of Vout Trim Up
Resistor
(Kohm)
-3% 31.33K +3% 57.16K
-5% 18K +5% 34.57K
-10% 8K +10% 17.63K
e.g. trim up 5%
) ( 57 . 34
% 5
1 %) 5 1 ( 2
225 . 1
3 . 3
Ω =
+ + ⋅






−
=
k R
up
Typical Output Voltage vs. Low Voltage Input Turn-on
and Turn-off at Ta=25C Calculated Resistor Values for Output Voltage Adjustment