TDK Powereta iQP48070A033 - Manual (Page 7)

Data Sheet: Powereta
TM
iQP Series –Single Output Quarter Brick
©2006 TDK Innoveta Inc.
iQP 3.3V/70A Datasheet 8/3/2006 ℡ (877) 498-0099
7/15
Electrical Characteristics: iQP48070A033V-000 through -0x9: 3.3V, 70A, 231W Output
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
utp
ut
V
ol
ta
ge
(
V
)
Vin = 36V Vin = 48V Vin = 75V Vin = 60V
0
1
2
3
4
5
6
7
8
9
30 35 40 45 50 55 60 65 70 75
Input Voltage (V)
Inpu
t C
ur
rent
(
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
3.306
3.3065
3.307
3.3075
3.308
3.3085
3.309
0 10 20 30 40 50 60 70
Output Current (A)
O
utput V
ol
ta
ge
(V
)
Vin = 36V Vin = 48V Vin = 75V Vin = 60V
3.305
3.306
3.307
3.308
3.309
36 41 46 51 56 61 66 71 76
Input Voltage (V)
O
ut
pu
t V
ol
tag
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
ut
put
V
ol
ta
ge
(V
)
Io_min = 7A Io_mid = 35A Io_max = 70.7A
%
Change
of Vout
Trim
Down
Resistor
(Ohm)
%
Change
of Vout Trim Up
Resistor
(Ohm)
-10 40.9K +5 176.7K
-20 15.3K +10 90.1K
e.g. trim up 5%
Rup
5.11 3.3 Ч 100 5 + ( ) ⋅
1.225 5 Ч
511
5
− 10.22 −




K ⋅ :=
Typical Output Voltage vs. Input Turn-on and Turn-off
Voltage at Ta=25C Calculated Resistor Values for Output Voltage Adjustment