Datasheet

I -OutputCurrent-mA
O
Efficiency-%
T =25 C
V =3.3V
A
O
o
PFM/PWMMode
V =3.8V
I
V =4.2V
I
V =5V
I
0.01 0.1
1
10 100
1k
10k
I -OutputCurrent-mA
O
Efficiency-%
T =25 C
V =3.3V
A
O
o
PWMMode
V =3.8V
I
V =4.2V
I
V =5V
I
0.01 0.1
1
10 100
1k
10k
TPS65022
SLVS667A –JULY 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, 7
Line transient response 8, 9, 10
Load transient response 11, 12, 13
VDCDC2 PFM operation 14
VDCDC2 low ripple PFM operation 15
VDCDC2 PWM operation 16
Startup VDCDC1, VDCDC2 and VDCDC3 17
Startup LDO1 and LDO2 18
Line transient response 19, 20, 21
Load transient response 22, 23, 24
DCDC1: EFFICIENCY DCDC1: EFFICIENCY
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 1. Figure 2.
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