TPS60140_15 Datasheet, PDF (3/24 Pages) Texas Instruments – LOW POWER DC-DC CONVERTER REGULATED 5V,100-MA CHARGE PUMP VOLTAGE TRIPLER

TPS60140, TPS60141
LOW POWER DCĆDC CONVERTER
REGULATED 5 V, 100ĆmA CHARGE PUMP VOLTAGE TRIPLER
SLVS273− FEBRUARY 2000
functional block diagrams
TPS60140
IN
Oscillator
C1+
ENABLE
Control
Circuit
_
+
+
VREF −
Shutdown/
Start-up Control
_
+
+
−
0.8 × VI
Charge Pump
Power Stage
_
+
+
−
VREF
C1
C1−
PGND
IN
C2+
C2
C2−
OUT
PGND
FB
LBO
LBI
TPS60141
Oscillator
GND
ENABLE
Control
Circuit
_
+
+
VREF −
Charge Pump
Power Stage
Shutdown/
Start-up Control
_
+
+
−
0.8 × VI
_
+
+
VREF _−
IN
C1+
C1
C1−
PGND
IN
C2+
C2
C2−
OUT
PGND
FB
PG
GND
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
3