1E-5

0.0001

0.001

0.01

0.05

0.2 0.5

4.90

4.92

4.94

4.96

4.98

5.00

5.02

5.04

D003

VIN

EN

LM2775

GND

VOUT

C1+

C1-

2.2 2F

2.2 2F

PFM

OUTDIS

1 2F

5 V @ up to 200 mA

2.7 V to 5.5 V

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LM2775

SNVSA57 – MAY 2015

LM2775 Switched Capacitor 5-V Boost Converter

1 Features

3 Description

The

LM2775

is

a

regulated

switched-capacitor

1

•

2.7-V to 5.5-V Input Range

doubler that produces a low-noise output voltage. The

•

Fixed 5-V Output

LM2775 can supply up to 200 mA of output current

•

200-mA Output Current

over a 3.1-V to 5.5-V input range, as well as up to

125 mA of output current when the input voltage is as

•

Inductorless Solution: Only Requires 3 Small

low as 2.7 V. At low output currents, the LM2775 can

Ceramic Capacitors

reduce its quiescent current by operating in a pulse

•

frequency modulation (PFM) mode. PFM mode can

•

Current Limit and Thermal Protection

be enabled or disabled by driving the PFM pin to high

or low. Additionally, when the LM2775 is in shutdown,

•

2-MHz Switching Frequency

the user can chose to have the output voltage pulled

•

PFM Operation During Light Load Currents (PFM

to GND or left in a high impedance state by setting

pin tied high)

the OUTDIS pin high or low.

The LM2775 has been placed in TI's 8-pin WSON, a

2 Applications

package with excellent thermal properties that keeps

•

USB OTG

the part from overheating under almost all rated

•

HDMI Power

operating conditions.

•

Portable Electronics

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

LM2775

WSON (8)

2.00 mm × 2.00 mm

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

the end of the datasheet.

space

space

space

Typical Application Circuit

Load Regulation

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.