Datasheet

 
   
       
SLVS273− FEBRUARY 2000
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
functional block diagrams
Charge Pump
Power Stage
C1
C1−
C1+
IN
PGND
C2
C2−
C2+
IN
OUT
PGND
Oscillator
Control
Circuit
ENABLE
Shutdown/
Start-up Control
_
+
+
−
V
REF
_
+
+
−
0.8 × V
I
GND
FB
_
+
+
−
V
REF
LBI
LBO
TPS60140
Charge Pump
Power Stage
C1
C1−
C1+
IN
PGND
C2
C2−
C2+
IN
OUT
PGND
Oscillator
Control
Circuit
ENABLE
Shutdown/
Start-up Control
_
+
+
−
V
REF
_
+
+
−
0.8 × V
I
FB
_
+
+
−
V
REF
PG
TPS60141
GND