TDK Dualeta iQA Series - Manual (Page 12)

Advance Data Sheet: Dualeta™ iQA Series – Dual Quarter Brick
©2002-2005 TDK Innoveta Inc.
iQAFullDatasheet080505 2.doc 8/3/2006
℡ (877) 498-0099 12/19
Electrical Characteristics (continued):
iQA48015A050M: 5V/3.3V, 15A Output
0
1
2
3
4
5
6
25 30 35 40 45 50 55 60 65 70 75
Input Voltage (V)
O
ut
put
V
o1
(
V
)
Io1 = Io2 = 0A Io1 = Io2 = 3.75A Io1 = Io2 = 7.5A
0
0.5
1
1.5
2
2.5
3
3.5
25 30 35 40 45 50 55 60 65 70 75
Input Voltage (V)
O
u
tpu
t V
o
2 (V
)
Io1 = Io2 = 0A Io1 = Io2 = 3.75A Io1 = Io2 = 7.5A
Typical Vo1 Output Voltage vs. Input Voltage
Characteristics Typical Vo2 Output Voltage vs. Input Voltage
Characteristics
Trim up – independent trim
Vout1 (V) 5.15 5.25 5.35 5.5
Trim from
nominal (%Vo) 3% 5% 7% 10%
Rup1 (k Ω) 318 194 141 101
Rup1 is connected between Trim1 and Vout1.
Vout2 (V) 3.63 4.0 4.5 5
Trim from
nominal (%Vo) 10% 21% 36% 52%
Rup2 (k Ω) 55 28 18 14
Rup2 is connected between Trim2 and Vout2.
Rup
3.01Vonom 100 %Vo + ( ) ⋅
1.225 %Vo ( ) ⋅
301 4.01 %Vo ( ) ⋅ +
%Vo
−




1000 ⋅ =
Trim down – independent trim
Vout1 (V) 4.5 3.3 2.5 1.8
Trim from
nominal (%Vo) 10% 34% 50% 64%
Rdown1 (k Ω) 26 4.8 2.0 0.69
Rdown1 is connected between Trim1 and RTN.
Vout2 (V) 2.97 2.5 1.8 1.5
Trim from
nominal (%Vo) 10% 24% 45% 55%
Rdown2 (k Ω) 26 8.5 2.7 1.5
Rdown2 is connected between Trim2 and RTN.
Rdown
301 4.01 %Vo ( ) ⋅ −
%Vo
1000 ⋅ =
Trim up resistor values for output voltage adjustment –
standard wide trim version. Trim down resistor values for output voltage adjustment –
standard wide trim version.
Trim up – tracking trim option
Trim from
nominal (%) +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
Rup (k Ω) 50 23 14 9.2 6.4 4.5 3.1 2.1 1.3 0
Rup is connected between Trim and RTN.
Trim down – tracking trim option
Trim from
nominal (%) -1 -2 -3 -4 -5 -6 -7 -8 -9 -10
Rdown (k Ω) 67 30 17 11 7.8 5.4 3.7 2.4 1.4 0
Rdown is connected between Trim and Vout2.
Trim resistor values for output voltage adjustment – tracking trim option.