Datasheet

TPS5602
DUAL, FAST, HIGH EFFICIENCY CONTROLLER FOR DSP POWER
SLVS217 – JUNE 1999
16
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
Figure 16
COMBINED SYSTEM EFFICIENCY
86
87
88
89
90
91
92
93
94
10 20 30 40 50 60 70 80 90 100
Percentage of Output Current on Both Channels – %
I(1.8) = 4 A
I(3.3) = 3 A
Efficiency
%
Figure 17
3.3-V OUTPUT LOAD REGULATION
3.3
3.305
3.31
3.315
3.32
0 0.1 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
I
O –
Output Current – A
– Output Voltage – VV
O
Figure 18
1.8-V OUTPUT LOAD REGULATION
1.78
1.785
1.79
1.795
1.8
0 0.1 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
I
O
– Output Current – A
– Output Voltage – VV
O
Figure 19
3.3-V LINE REGULATION
3.29
3.3
3.31
3.32
3.33
3.34
3.35
4.55 7 9 1113151719212325
V
I
– Input Voltage – V
– Output Voltage – VV
O