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LTC1574 Datasheet(PDF) 7 Page - Linear Technology |
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LTC1574 Datasheet(HTML) 7 Page - Linear Technology |
7 / 8 page 7 LTC1574 LTC1574-3.3/LTC1574-5 Low Dropout 5V Step-Down Regulator with Low-Battery Detection Positive to –5V Converter High Efficiency 3.3V Regulator 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 V IN = 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 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 V IN = 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 V IN (V) I OUT (mA) 4 110 6 140 8 170 10 200 12.5 235 TYPICAL APPLICATIONS Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. 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 + |
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