Datasheet

0
10
20
30
40
50
60
70
80
I
O
− Load Current − mA
Efficiency − %
0.1 1 10 1k100
G001
L = 2.2 µH
V
pos
= 4.6 V
V
neg
= −5 V
V
I
= 3.7 V
V
I
= 2.5 V
V
I
= 4.5 V
0
10
20
30
40
50
60
70
80
I
O
− Load Current − mA
Efficiency − %
0.1 1 10 1k100
G002
L = 4.7 µH
V
pos
= 4.6 V
V
neg
= −5 V
V
I
= 2.5 V
V
I
= 4.5 V
V
I
= 3.7 V
TPS65136
SLVS831A – APRIL 2008 – REVISED JULY 2008 ............................................................................................................................................................. www.ti.com
EFFICIENCY EFFICIENCY
vs vs
LOAD CURRENT (2.2 µ H) LOAD CURRENT (4.7 µ H)
Figure 1. Figure 2.
OPERATION AT LIGHT LOAD CURRENT OPERATION AT HIGH LOAD CURRENT
DCM OPERATION CCM OPERATION
Figure 3. Figure 4.
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