Datasheet

APPLICATION CIRCUITS
2.2 Fm
C
IN
V
IN
2.2 Fm
2.2 Fm
C
OUT
+
-
0.22 Fm
C
P1
REG710-3.3
REG710-3
REG71050
REG710-5
3.3V
3.0V
5.0V
EN
GND
V
IN
V
OUT
0.22 Fm
C
P2
EN
GND
V
IN
V
OUT
1.8V
0.22 Fm
C
P1
REG710-3.3
0.22 Fm
C
P2
REG710-3.3
4.7 Fm
C
IN
V
OUT
V
IN
V
IN
V
OUT
GND
V
IN
V
OUT
GND
4.7 Fm
C
OUT
+
-
C
IN
2.2 Fm
C
PUMP
0.22 Fm
3.3Vto
4.2V
C
OUT
2.2 Fm
R
LEDGND
Enable
REG71050
REG710-5
LED LED
R R
REG71055-Q1
www.ti.com ....................................................................................................................................................................................................... SBAS477 – JULY 2009
Figure 12. Circuit for Step-Up Operation From 1.8 V to 5 V With 10-mA Output Current
Figure 13. Circuit for Doubling the Output Current
Figure 14. Circuit for Driving LEDs
Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Link(s): REG71055-Q1