Datasheet

I
O
- OutputCurrent -mA
70
72
74
76
78
80
82
84
86
88
L =4.7 Hm
V
O
=18V
0.1 1 10 100
Efficiency-%
V
IN
=5V
V
IN
=3.6V
V
IN
=2.4V
V
IN
-InputVoltage-V
60
63
66
69
72
75
78
81
84
87
90
1 2 3 4 5 6
Efficiency-%
I
O
=10mA
I
O
=5mA
L =4.7 Fm
V
O
=18V
TPS61045
www.ti.com SLVS440B –JANUARY 2003–REVISED MARCH 2009
Typical Characteristics
Table 1. Table of Graphs
FIGURE
vs Load current Figure 2
h Efficiency
vs Input voltage Figure 3
I
DD(Q)
Quiescent current vs Input voltage Figure 4
V
FB
Feedback voltage vs Temperature Figure 5
I
FB
Feedback current vs Temperature Figure 6
vs Temperature Figure 7
r
DS(on)
Main switch Q2
vs Input voltage Figure 8
r
DS(on)
vs Temperature Figure 9
r
DS(on)
Input switch Q1
vs Input voltage Figure 10
V
DO
V
DO
Voltage vs CTRL input step Figure 11
Line transient response Figure 12
Load transient response Figure 13
PFM operation Figure 14
Soft start Figure 15
Efficiency Efficiency
vs vs
Load Current Input Voltage
Figure 2. Figure 3.
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