Datasheet

50
55
60
65
70
75
80
85
90
95
100
2
3 4 5 6
Efficiency
MODE/DATA =0
V =1.575V
OUT
I =10mA
OUT
I =1mA
OUT
I =200mA
OUT
V -V
IN
50
60
70
80
90
100
3 4 5 6
V -V
IN
Efficiency
MODE/DATA =0
V =3.3V
OUT
I =100mA
OUT
I =10mA
OUT
I =1mA
OUT
1.500
1.525
1.550
1.575
1.600
1.625
1.650
0.01
0.10
1
10 100
1000
V DC-V
OUT
MODE/DATA =low,PFMMode,voltagepositioningactive
I -mA
OUT
MODE/DATA =high,forcedPWMMode
V =4.2V
IN
PWMMode
Operation
V =2.7V
IN
V =3.6V
IN
V =2.7V
IN
V =3.6V
IN
V =4.2V
IN
V =1.575V
OUT1
3.2
3.25
3.3
3.35
3.4
0.01
0.10
1
10 100
1000
I -mA
OUT
MODE/DATA =low,PFMMode,voltagepositioningactive
MODE/DATA =high,forcedPWMMode
PWMMode
Operation
V =5V
IN
V =3.7V
IN
V =4.2V
IN
V =3.7V
IN
V =4.2V
IN
V =5V
IN
V =3.3V
OUT2
V DC-V
OUT
TPS62420, TPS62421
www.ti.com SLVS676C –JUNE 2006–REVISED JUNE 2010
EFFICIENCY vs V
IN
, V
OUT1
= 1.575V EFFICIENCY vs V
IN
, V
OUT2
= 3.3V
Figure 5. Figure 6.
DC OUTPUT ACCURACY V
OUT1
= 1.575V DC OUTPUT ACCURACY V
OUT2
= 3.3V
Figure 7. Figure 8.
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