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

VIN

C1+

C1–

C1

C2+

C2–

C2

VOUT

GND

EN

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

C1+

7

Positive terminal of the flying capacitor C1

C1–

5

Negative terminal of the flying capacitor C1

C2+

8

Positive terminal of the flying capacitor C2

C2–

3

Negative terminal of the flying capacitor C2

EN

2

I

Enable terminal, active high

GND

4

Ground

VIN

6

I

Supply voltage input TPS60241: 2.7 V to 5.5 V, TPS60240/2/3: 1.8 V to 5.5 V. Bypass VIN to GND with a 1-µF external

capacitor (CI).

VOUT

1

O

Regulated power output. Bypass VOUT to GND with a 1-µF external filter capacitor (CO). TPS60241: regulated 5-V

output, TPS60240: regulated 3.3-V output, TPS60242: regulated 2.7-V output, TPS60243: regulated 3-V output