Datasheet

TPS60240, TPS60241
TPS60242, TPS60243
SLVS372B – JUNE 2001 – REVISED JANUARY 2002
3
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functional block diagram
Oscillator
0°
180°
Control
Circuit With
Thermal and
Overload
Protection
Reference
_
+
Charge Pump 1
Charge Pump 2
V
IN
C
1+
C
1–
C
1
C
2+
C
2–
C
2
V
OUT
GND
EN
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME NO.
I/O
DESCRIPTION
C
1+
7 Positive terminal of the flying capacitor C
1
C
1–
5 Negative terminal of the flying capacitor C
1
C
2+
8 Positive terminal of the flying capacitor C
2
C
2–
3 Negative terminal of the flying capacitor C
2
EN 2 I Enable terminal, active high
GND 4 Ground
V
IN
6 I Supply voltage input TPS60241: 2.7 V to 5.5 V, TPS60240/2/3: 1.8 V to 5.5 V. Bypass V
IN
to GND with a 1-µF external
capacitor (C
I
).
V
OUT
1 O Regulated power output. Bypass V
OUT
to GND with a 1-µF external filter capacitor (C
O
). TPS60241: regulated 5-V
output, TPS60240: regulated 3.3-V output, TPS60242: regulated 2.7-V output, TPS60243: regulated 3-V output