TPS54283 Datasheet, PDF (39/52 Pages) Texas Instruments – 2-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET

TPS54283, TPS54286
www.ti.com
SLUS749C – JULY 2007 – REVISED OCTOBER 2007
1.005
1.004
1.003
1.002
1.001
V_IN = 13.2 V
V_IN = 12.0 V
1.000
0.999
0.998
0.997
0.996
0.995
0
V_IN = 9.6 V
V_OUT = 5.0 V
V (V)
IN
9.6
12.0
13.2
0.4
0.8
1.2
1.6
2.0
I_OUT - Load Current - A
Figure 42. 5.0-V Output Voltage vs. Load Current
1.005
1.004
1.003
1.002
1.001
All Input
Voltages
1.000
0.999
0.998
0.997
0.996
0.995
0
0.4
0.8
1.2
1.6
2.0
I_OUT - Load Current - A
Figure 43. 3.3-V Output Voltage vs. Load Current
80
180
60
135
40
90
20
45
0
0
-20
-45
-40
Gain
Phase
-60
5.0 V
3.3 V
-80
1k
10 k
f - Frequency -Hz
-90
-135
100 k
-180
300 k
Figure 44. Example 1 Loop Response
Copyright © 2007, Texas Instruments Incorporated
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