LTC3427 datasheet(4/12 Pages) LINER

Part #	LTC3427

Description	500mA, 1.25MHz Synchronous Step-Up DC/DC Converter in 2mm 2mm DFN Package

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

Logo

4 / 12 page

LTC3427

3427fa

RDS(ON) vs Temperature

VIN Supply Current (No Load)

FB Voltage vs Temperature

Efficiency vs VIN

Frequency Accuracy

vs Temperature

SW Pin Anti-Ringing Operation

INDUCTOR

CURRENT

50mA/DIV

2V/DIV

VIN = 1.8V

VOUT = 3.3V

COUT = 4.7µF

L = 4.7

µH

200ns/DIV

3427 G10

TEMPERATURE (

°C)

–45

1.23

1.24

1.25

–30 –15

3427 G07

VIN = 2.4V

VOUT = 3.3V

VIN (V)

1.5

100

2.5

3.5

3427 G08

4.5

VOUT = 3.3V

IOUT = 100mA

VIN > VOUT

PMOS LDO MODE

TEMPERATURE (

°C)

–45

1.15

1.30

–15

3427 G09

1.20

1.35

1.25

–30

VIN = 2.4V

VOUT = 3.3V

TEMPERATURE (

°C)

–45

0.35

0.65

0.55

–15

3427 G11

0.45

0.40

0.70

0.60

0.50

–30

VIN = 2.4V

VOUT = 3.3V

PMOS

NMOS

VIN (V)

1.5

0.30

0.40

0.35

0.45

2.5

3.5

5.5

3427 G12

4.5

TA = 25°C

VIN = VOUT = VFB

TYPICAL PERFOR A CE CHARACTERISTICS T

A = 25°C unless otherwise specified.

Current Limit

TEMPERATURE (

°C)

–45

0.50

0.70

–15

3427 G06

0.60

0.90

0.80

–30

VIN = 2.4V

VOUT = 3.3V

LTC3427 Datasheet(PDF) 4 Page - Linear Technology

LTC3427 Datasheet(HTML) 4 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

Datasheet Download

Link URL