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LTC1574CS Datasheet(PDF) 8 Page - Linear Technology |
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LTC1574CS Datasheet(HTML) 8 Page - Linear Technology |
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8 / 8 page  8 LTC1574 LTC1574-3.3/LTC1574-5 sn1574 1574fas LT/TP 1000 2K REV A • PRINTED IN USA ©LINEAR TECHNOLOGY CORPORATION 1995 RELATED PARTS Low Dropout 5V Step-Down Regulator with Low-Battery Detection Positive to – 5V Converter High Efficiency 3.3V Regulator TYPICAL APPLICATIO S Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com PART NUMBER DESCRIPTION COMMENTS LT ®1074/LT1076 Step-Down Switching Regulator 100kHz, 5A (LT1074) or 2A (LT1076) Monolithic LTC1147 High Efficiency Step-Down DC/DC Controller 8-Pin Controller LTC1174 High Efficiency Step-Down and Inverting DC/DC Converter 0.5A, Burst Mode Operation, SO-8 Package, VIN to 18V LTC1265 1.2A High Efficiency Step-Down DC/DC Regulator Burst Mode Operation, Monolithic LT1375/LT1376 1.5A 500kHz Step-Down Switching Regulator High Frequency Small Inductor LT1611 Inverting 1.4MHz Switching Regulator in SOT-23 – 5V at 150mA from 5V Input, 1mVP-P Output Ripple, SOT-23 Package LTC1701 1MHz Step-Down DC/DC Converter in SOT-23 VIN = 2.5V to 5.5V, IQ = 135µA, VOUT = 5V to 1.25V LTC1707 High Efficiency Synchronous Step-Down Regulator VIN = 2.85V to 8.5V, Selectable Burst Mode Operation, 600mA Output Current, SO-8 Package LTC1877/LTC1878 High Efficiency Synchronous Step-Down Regulator 600mA at VIN = 5V, 2.65V to 10V = VIN, IQ = 10µA VIN 5 2, 4, 13, 15 6 11 12 7 10 3, 14 L1 100 µH† 0.1 µF 47 µF** 16V × 2 1574 TA04 VOUT 5V 365mA *LOW- BATTERY INDICATOR 4.7k 162k 47.5k VIN 5.5V to 12.5V GND LTC1574-5 IPGM LBOUT LBIN SHDN VOUT SW 47 µF** 16V × 2 * LOW-BATTERY INDICATOR IS SET UP TO TRIP AT VIN = 5.5V ** AVX TPSD476K016 † SELECTION MANUFACTURER PART NO. TYPE COILTRONICS CTX100-4 SURFACE MOUNT SUMIDA CD75-101 SURFACE MOUNT GOWANDA GA10-103K THROUGH HOLE + + VIN 5 2, 4, 13, 15 6 12 11 7 10 3, 14 50 µH† 0.1 µF 22 µF* 25V × 2 1574 TA05 VOUT 3.3V 425mA VIN 4V TO 12.5V GND LTC1574-3.3 IPGM LBIN LBOUT SHDN VOUT SW * AVX TPSD226K025 ** AVX TPSD476K016 † COILTRONICS CTX50-4 47 µF* 16V × 2 + + VIN 5 2, 4, 13, 15 6 11 12 7 10 3, 14 L1† 50 µH 0.1 µF 1574 TA06 VOUT –5V *LOW- BATTERY INDICATOR 4.7k 280k 43k VIN 4V TO 12.5V GND LTC1574-5 IPGM LBOUT LBIN SHDN VOUT SW 100 µF*** 10V * LOW-BATTERY INDICATOR IS SET TO TRIP AT VIN = 4.4V ** AVX TPSD106K035 *** AVX TPSD107K010 † SELECTION MANUFACTURER PART NO. TYPE COILTRONICS CTX50-3 SURFACE MOUNT COILCRAFT DT3316-473 SURFACE MOUNT SUMIDA CD54-470 SURFACE MOUNT GOWANDA GA10-472K THROUGH HOLE 10 µF** 35V × 2 VIN (V) IOUT (mA) 4 110 6 140 8 170 10 200 12.5 235 + + |
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