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LT1270A Datasheet(PDF) 4 Page - Linear Technology |
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LT1270A Datasheet(HTML) 4 Page - Linear Technology |
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4 / 4 page  4 LT1270A/LT1270 1270afc PART NUMBER DESCRIPTION COMMENTS LT1074/HV 4.4A (IOUT), 100kHz, High Efficiency Step-Down VIN: 7.3V to 45/64V, VOUT (min) = 2.21V, IQ = 8.5mA, ISD = 10µA, DC/DC Converter DD-5/7, TO220-5/7 LTC3414 4A (IOUT), 4MHz, Synchronous Step-Down VIN: 2.3V to 5.5V, VOUT (min) = 0.8V, IQ = 64µA, ISD <1µA, DC/DC Converter TSSOP20E LT3430/LT3431 60V, 2.75A (IOUT), 200/500kHz, High Efficiency VIN: 5.5V to 60V, VOUT (min) = 1.2V, IQ = 2.5mA, ISD = 30µA, Step-Down DC/DC Converter TSSOP16E Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 q FAX: (408) 434-0507 q www.linear.com © LINEAR TECHNOLOGY CORPORATION 1992 LT/TP 1203 1K REV C • PRINTED IN USA RELATED PARTS PACKAGE DESCRIPTIO T5 (TO-220) 0801 .028 – .038 (0.711 – 0.965) .067 (1.70) .135 – .165 (3.429 – 4.191) .700 – .728 (17.78 – 18.491) .045 – .055 (1.143 – 1.397) .095 – .115 (2.413 – 2.921) .013 – .023 (0.330 – 0.584) .620 (15.75) TYP .155 – .195* (3.937 – 4.953) .152 – .202 (3.861 – 5.131) .260 – .320 (6.60 – 8.13) .165 – .180 (4.191 – 4.572) .147 – .155 (3.734 – 3.937) DIA .390 – .415 (9.906 – 10.541) .330 – .370 (8.382 – 9.398) .460 – .500 (11.684 – 12.700) .570 – .620 (14.478 – 15.748) .230 – .270 (5.842 – 6.858) BSC SEATING PLANE * MEASURED AT THE SEATING PLANE T Package 5-Lead Plastic TO-220 (Standard) (Reference LTC DWG # 05-08-1421) TYPICAL APPLICATIO S R3 VIN VSW FB VC GND LT1270 L1 100 µH** C1 R2 1.24k *REQUIRED IF INPUT LEADS ≥ 2" **PULSE ENGINEERING #PE-92115 LT1270 • TA07 C3 100 µF* –5.2V, 7.5A VIN –20V OPTIONAL INPUT FILTER C2 1000 µF D1 R1 4.64k LOAD 12k L3 10 µH + C4 200 µF OPTIONAL OUTPUT FILTER L2 4 µF + + Negative Buck Converter Negative-to-Positive Buck-Boost Converter R3 2.2k VIN VSW FB VC GND LT1270 L1 55 µH** C1 0.22 µF 1.24k *REQUIRED IF INPUT LEADS ≥ 2" **PULSE ENGINEERING #PE-92116 LT1270 • TA06 + C2 2000 µF D1 R1 11.3k + C4 200 µF* VOUT 12V, 3A L2 C3 OPTIONAL OUTPUT FILTER VIN –12V OPTIONAL INPUT FILTER L3 |
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Similar Description - LT1270A_15 |
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