TDK Dualeta iQA Series Datasheet page 12

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