Datasheet

0
10
20
30
40
50
60
70
80
90
100
0.01 0.1 1 10 100 1k 10k
I -OutputCurrent-mA
O
Efficiency-%
T =25°C
V =1.2V
PWM/PFMMode
A
O
V =4.2V
I
V =2.5V
I
V =3.6V
I
V =5V
I
0
10
20
30
40
50
60
70
80
90
100
0.01 0.1 1 10 100 1k 10k
I -OutputCurrent-mA
O
Efficiency-%
T =25°C
V =1.2V
PWMMode
A
O
V =4.2V
I
V =2.5V
I
V =3.6V
I
V =5V
I
TPS65023, TPS65023B
SLVS670J –JUNE 2006– REVISED SEPTEMBER 2011 www.ti.com
TYPICAL CHARACTERISTICS
Graphs were taken using the EVM with the following inductor/output capacitor combinations:
CONVERTER INDUCTOR OUTPUT CAPACITOR OUTPUT CAPACITOR VALUE
VDCDC1 VLCF4020-2R2 C2012X5R0J106M 2 × 10 μF
VDCDC2 VLCF4020-2R2 C2012X5R0J106M 2 × 10 μF
VDCDC3 VLF4012AT-2R2M1R5 C2012X5R0J106M 2 × 10 μF
Table 1. Table of Graphs
FIGURE
η Efficiency vs Output current 1, 2, 3, 4, 5, 6
Output voltage vs Output current at 85°C 7, 8
Line transient response 9, 10, 11
Load transient response 12, 13, 14
VDCDC2 PFM operation 15
VDCDC2 low ripple PFM operation 16
VDCDC2 PWM operation 17
Startup VDCDC1, VDCDC2 and VDCDC3 18
Startup LDO1 and LDO2 19
Line transient response 20, 21, 22
Load transient response 23, 24, 25
DCDC1: EFFICIENCY DCDC1: EFFICIENCY
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 1. Figure 2.
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