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LT3471

3471fb

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

LT 1008 REV B • PRINTED IN USA

TYPICAL APPLICATIONS

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LT1611

550mA (ISW), 1.4MHz, High Efﬁciency Micropower Inverting

DC/DC Converter

VIN: 1.1V to 10V, VOUT(MAX) = –34V, IQ = 3mA, ISD < 1μA,

ThinSOT Package

LT1613

550mA (ISW), 1.4MHz, High Efﬁciency Step-Up

DC/DC Converter

VIN: 0.9V to 10V, VOUT(MAX) = 34V, IQ = 3mA, ISD < 1μA,

ThinSOT Package

LT1614

750mA (ISW), 600kHz, High Efﬁciency Micropower Inverting

DC/DC Converter

VIN: 1V to 12V, VOUT(MAX) = –24V, IQ = 1mA, ISD < 10μA,

MS8, S8 Packages

LT1615/LT1615-1

300mA/80mA (ISW), High Efﬁciency Step-Up

DC/DC Converters

VIN = 1V to 15V, VOUT(MAX) = 34V, IQ = 20μA, ISD < 1μA,

ThinSOT Package

LT1617/LT1617-1

350mA/100mA (ISW), High Efﬁciency Micropower Inverting

DC/DC Converters

VIN = 1.2V to 15V, VOUT(MAX) = –34V, IQ = 20μA, ISD < 1μA,

ThinSOT Package

LT1930/LT1930A

1A (ISW), 1.2MHz/2.2MHz, High Efﬁciency Step-Up

DC/DC Converters

VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 4.2mA/5.5mA,

ISD < 1μA, ThinSOT Package

LT1931/LT1931A

1A (ISW), 1.2MHz/2.2MHz High Efﬁciency Micropower Inverting

DC/DC Converters

VIN = 2.6V to 16V, VOUT(MAX) = –34V, IQ = 5.8mA, ISD < 1μA,

ThinSOT Package

LT1943 (Quad)

Quad Boost, 2.6A Buck, 2.6A Boost, 0.3A Boost, 0.4A Inverter

1.2MHz TFT DC/DC Converter

VIN = 4.5V to 22V, VOUT(MAX) = 40V, IQ = 10μA, ISD < 35μA,

TSSOP28E Package

LT1945 (Dual)

Dual Output, Boost/Inverter, 350mA (ISW), Constant Off-Time,

High Efﬁciency Step-Up DC/DC Converter

VIN = 1.2V to 15V, VOUT(MAX) = ±34V, IQ = 40μA, ISD < 1μA,

10-Lead MS Package

LT1946/LT1946A

1.5A (ISW), 1.2MHz/2.7MHz, High Efﬁciency Step-Up

DC/DC Converters

VIN: 2.45V to 16V, VOUT(MAX) = 34V, IQ = 3.2mA, ISD < 1μA,

MS8 Package

LT3436

3A (ISW), 1MHz, 34V Step-Up DC/DC Converter

VIN: 3V to 25V, VOUT(MAX) = 34V, IQ = 0.9mA, ISD < 6μA,

TSSOP16E Package

LT3462/LT3462A

300mA (ISW), 1.2MHz/2.7MHz, High Efﬁciency Inverting

DC/DC Converters with Integrated Schottkys

VIN = 2.5V to 16V, VOUT(MAX) = –38V, IQ = 2.9mA, ISD < 1μA,

ThinSOT Package

LT3463/LT3463A

Dual Output, Boost/Inverter, 250mA (ISW), Constant Off-Time,

High Efﬁciency Step-Up DC/DC Converters with Integrated Schottkys

VIN = 2.3V to 15V, VOUT(MAX) = ±40V, IQ = 40μA, ISD < 1μA,

DFN Package

LT3464

85mA (ISW), High Efﬁciency Step-Up DC/DC Converter with

Integrated Schottky and PNP Disconnect

VIN = 2.3V to 10V, VOUT(MAX) = 34V, IQ = 25μA, ISD < 1μA,

ThinSOT Package

5V to ±12V Dual Supply Boost/Inverting Converter

4.7k

3471 TA06

0.33μF

4.7μF

VIN

SHDN/SS1

FB1N

SW1

SW2

LT3471

10μH

1μF

GND

FB1P

VIN

FB2N

FB2P

VREF

0.1μF

4.7μF

56pF

VOUT1

12V

320mA

VOUT2

–12V

200mA

C1, C2: X5R OR X7R 6.3V

C3, C4: X5R OR X7R 16V

C5: X5R OR X7R 25V

D1, D2: ON SEMICONDUCTOR MBRM-120

L1: SUMIDA CR43-10

L2, L3: SUMIDA CLS63-10

54.9k

4.99k

15k

182k

SHDN/SS2

VIN

•

VIN

4.7μF

56pF

10μH

•

CONTROL 1

1.8V

CONTROL 2

1.8V

LT3471 Datasheet(PDF) 16 Page - Linear Technology

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