Performance Curves
Non-Isolated
SIP Converter
3.0 - 3.6Vin 15A
2.5Vout
1.8Vout
1.5Vout
1.2Vout
0.9Vout
2.5Vout
1.8Vout
1.5Vout
1.2Vout
0.9Vout
Figure 19:
Turn-on transient at full load (resistive load) (2 ms/div).
Ch 1: ON/OFF input (2V/div)
Ch 2-6: Vout (1V/div)
7
6
5
4
3
2
1
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Max Delay Time
Min Delay Time
Figure 20:
Turn-on transient at zero load (2 ms/div).
Ch 1: ON/OFF input (2V/div)
Ch 2-6: Vout (1V/div)
7
6
5
Delay Time (ms)
Rise Time (ms)
4
3
2
1
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Max Rise Time
Min Rise Time
Output Voltage (V)
Output Voltage (V)
Figure 21:
Minimum and Maximum Startup Delay Time (enable to
10%) over temperature versus output voltage (includes trimming).
Figure 22:
Minimum and Maximum Startup Rise Time (10% to 90%)
over temperature versus output voltage (includes trimming).
14.0
12.0
10.0
I
out
(A)
8.0
6.0
4.0
2.0
0.0
0
0.9V
1.0V
1.2V
1.5V
1.8V
2.5V
500
1000
1500
2000
2500
3000
3500
4000
Load Capacitance (uF)
Figure 23:
Maximum Startup Load Current versus Load Capacitance.
Derate the load during startup according to this figure to avoid the pos-
sibility of over-current shutdown.
Product # NQ03xxxVMA15
Phone 1-888-567-9596
Doc.# 005-2NV3xxE Rev. E
6/24/04
Page 10
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