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LM2767

SNVS069D – FEBRUARY 2000 – REVISED AUGUST 2015

LM2767 Switched Capacitor Voltage Converter

1 Features

3 Description

The LM2767 CMOS charge-pump voltage converter

1

•

Doubles Input Supply Voltage

operates as a voltage doubler for an input voltage in

•

SOT-23 5-Pin Package

the range of 1.8 V to 5.5 V. Two low-cost capacitors

•

20-

Ω Typical Output Impedance

and a diode are used in this circuit to provide at least

15 mA of output current.

•

96% Typical Conversion Efficiency at 15 mA

The LM2767 operates at 11-kHz switching frequency

2 Applications

to avoid audio voice-band interference. With an

operating current of only 40 µA (operating efficiency

•

Cellular Phones

greater than 90% with most loads), the LM2767

•

Pagers

provides

ideal

performance

for

battery-powered

•

PDAs, Organizers

systems. The device is manufactured in a 5-pin

SOT-23 package.

•

Operational Amplifier Power Suppliers

•

Interface Power Suppliers

Device Information(1)

•

Handheld Instruments

PART NUMBER

PACKAGE

BODY SIZE (NOM)

LM2767

SOT-23 (5)

2.90 mm × 1.60 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

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Typical Application

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.