Datasheet

TPS60120, TPS60121, TPS60122, TPS60123, TPS60124, TPS60125
REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP
DC/DC CONVERTERS
SLVS257B – NOVEMBER 1999 – REVISED AUGUST 2000
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
functional block diagram
_
+
Charge Pump
Power Stages
IN
C1+
C1–
OUT
PGND
IN
C2+
C2–
OUT
PGND
FB
Oscillator
Control
Circuit
_
+
+
–
V
REF
_
+
+
–
Shutdown/
Start-Up
Control
0.8 V
I
+
–
V
REF
LBI
GND LBO
ENABLE
C1F
C2F
TPS60120, TPS60122, TPS60124
_
+
Charge Pump
Power Stages
IN
C1+
C1–
OUT
PGND
IN
C2+
C2–
OUT
PGND
FB
Oscillator
Control
Circuit
_
+
+
–
V
REF
_
+
+
–
Shutdown/
Start-Up Control
0.8 V
I
+
–
V
REF
GND PG
ENABLE
C1F
C2F
TPS60121, TPS60123, TPS60125