Datasheet

TPS62040
TPS62042, TPS62043
TPS62044, TPS62046
SLVS463B − JUNE 2003 − REVISED OCTOBER 2005
www.ti.com
17
TYPICAL APPLICATIONS
7
VIN
VIN
EN
MODE
SW
FB
PGND
PGND
SW
GND
2
3
1
4
9
10
5
8
6
TPS62046
V
I
Li-lon
V
O
3.3 V / 1.2 A
C2
22 µF
C1
22 µF
L1
6.2 µH
Components:
C1: Taiyo Yuden JMK316BJ226ML
C2: Taiyo Yuden JMK316BJ226ML
L1: Sumida CDRH5D28−6R2
Figure 17. Li-Ion to 3.3 V/1.2 A Conversion
VIN
VIN
EN
MODE
SW
FB
PGND
PGND
SW
GND
2
3
1
49
10
5
7
8
6
TPS62040
C3
22 µF
V
I
2.5 V to 6 V
L1
4.7 µH
C4
22 µF
V
O
1.8 V / 1.2 A
Components:
C1: Taiyo Yuden JMK316BJ226ML
C2: Taiyo Yuden JMK316BJ226ML
L1: Sumida CDRH4D28C−4R7
R1
470 kΩ
R2
180 kΩ
C1
33 pF
C2
100 pF
Figure 18. Li-Ion to 1.8 V/1.2 A Conversion Using the Adjustable Output Voltage Version