Datasheet LT3471 (Analog Devices) - 16

LT3471
TYPICAL APPLICATIONS 5V to ±12V Dual Supply Boost/Inverting Converter
L1 10μH D1 VOUT1 VIN 12V 10 C6 R1 C3 320mA CONTROL 1 4.7k 56pF 54.9k 4.7μF 9 SW1 1.8V 1 SHDN/SS1 FB1N OV 2 0.33μF FB1P R2 3 V 4.99k REF V R3 IN 8 C2 VIN LT3471 5V 0.1μF 15k C1 4.7μF 4 FB2P CONTROL 2 4.7k 1.8V 7 SHDN 5 /SS2 FB2N OV C7 GND SW2 0.33μF 56pF 3471 TA06 11 6 R4 182k • • VOUT2 V –12V IN L2 L3 C4 200mA 10μH C5 D2 10μH 4.7μF 1μF C1, C2: X5R OR X7R 6.3V L1: SUMIDA CR43-10 C3, C4: X5R OR X7R 16V L2, L3: SUMIDA CLS63-10 C5: X5R OR X7R 25V D1, D2: ON SEMICONDUCTOR MBRM-120
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LT1611 550mA (ISW), 1.4MHz, High Effi ciency Micropower Inverting VIN: 1.1V to 10V, VOUT(MAX) = –34V, IQ = 3mA, ISD < 1μA, DC/DC Converter ThinSOT Package LT1613 550mA (ISW), 1.4MHz, High Effi ciency Step-Up VIN: 0.9V to 10V, VOUT(MAX) = 34V, IQ = 3mA, ISD < 1μA, DC/DC Converter ThinSOT Package LT1614 750mA (ISW), 600kHz, High Effi ciency Micropower Inverting VIN: 1V to 12V, VOUT(MAX) = –24V, IQ = 1mA, ISD < 10μA, DC/DC Converter MS8, S8 Packages LT1615/LT1615-1 300mA/80mA (ISW), High Effi ciency Step-Up VIN = 1V to 15V, VOUT(MAX) = 34V, IQ = 20μA, ISD < 1μA, DC/DC Converters ThinSOT Package LT1617/LT1617-1 350mA/100mA (ISW), High Effi ciency Micropower Inverting VIN = 1.2V to 15V, VOUT(MAX) = –34V, IQ = 20μA, ISD < 1μA, DC/DC Converters ThinSOT Package LT1930/LT1930A 1A (ISW), 1.2MHz/2.2MHz, High Effi ciency Step-Up VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 4.2mA/5.5mA, DC/DC Converters ISD < 1μA, ThinSOT Package LT1931/LT1931A 1A (ISW), 1.2MHz/2.2MHz High Effi ciency Micropower Inverting VIN = 2.6V to 16V, VOUT(MAX) = –34V, IQ = 5.8mA, ISD < 1μA, DC/DC Converters ThinSOT Package LT1943 (Quad) Quad Boost, 2.6A Buck, 2.6A Boost, 0.3A Boost, 0.4A Inverter VIN = 4.5V to 22V, VOUT(MAX) = 40V, IQ = 10μA, ISD < 35μA, 1.2MHz TFT DC/DC Converter TSSOP28E Package LT1945 (Dual) Dual Output, Boost/Inverter, 350mA (ISW), Constant Off-Time, VIN = 1.2V to 15V, VOUT(MAX) = ±34V, IQ = 40μA, ISD < 1μA, High Effi ciency Step-Up DC/DC Converter 10-Lead MS Package LT1946/LT1946A 1.5A (ISW), 1.2MHz/2.7MHz, High Effi ciency Step-Up VIN: 2.45V to 16V, VOUT(MAX) = 34V, IQ = 3.2mA, ISD < 1μA, DC/DC Converters 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 Effi ciency Inverting VIN = 2.5V to 16V, VOUT(MAX) = –38V, IQ = 2.9mA, ISD < 1μA, DC/DC Converters with Integrated Schottkys ThinSOT Package LT3463/LT3463A Dual Output, Boost/Inverter, 250mA (ISW), Constant Off-Time, VIN = 2.3V to 15V, VOUT(MAX) = ±40V, IQ = 40μA, ISD < 1μA, High Effi ciency Step-Up DC/DC Converters with Integrated Schottkys DFN Package LT3464 85mA (ISW), High Effi ciency Step-Up DC/DC Converter with VIN = 2.3V to 10V, VOUT(MAX) = 34V, IQ = 25μA, ISD < 1μA, Integrated Schottky and PNP Disconnect ThinSOT Package 3471fb 16 Linear Technology Corporation LT 1008 REV B • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com © LINEAR TECHNOLOGY CORPORATION 2004