lt3479efe-trpbf Linear Technology Corporation, lt3479efe-trpbf Datasheet
lt3479efe-trpbf
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lt3479efe-trpbf Summary of contents
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... DFN package provides excellent thermal performance in a small foot- print. The LT3479 is also available in a thermally enhanced 16-pin TSSOP package. , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners ...
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... Pin REF < 24V 0. 1.25V 1.5V 0.5V FBN C = 1.25V 1V 0.5V FBN C ORDER PART TOP VIEW NUMBER 1 16 GND 2 15 GND LT3479EFE 3 14 GND FBN FE PART 7 10 FBP MARKING REF 3479EFE FE PACKAGE 16-LEAD PLASTIC TSSOP = 125°C, θ ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T PARAMETER Maximum Switch Duty Cycle SHDN Pin Current SHDN Pin Threshold Inductor Current Limit Switch Current Limit Switch V CESAT Switch Leakage Current Note 1: Absolute Maximum Ratings are those values ...
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LT3479 W U TYPICAL PERFOR A CE CHARACTERISTICS Soft-Start Pin Current –50 – 100 125 150 TEMPERATURE (°C) 3479 G07 CTIO S (DFN/TSSOP) SW (Pins 1, ...
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W BLOCK DIAGRA C SS FEEDBACK AMPLIFIER FBP + FBN – V REF SHDN 1.25V REFERENCE OSCILLATOR OPERATIO The LT3479 uses a fixed frequency, current mode control scheme to provide ...
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LT3479 U U APPLICATIO S I FOR ATIO Capacitor Selection Low ESR (equivalent series resistance) ceramic capaci- tors should be used at the output to minimize the output ripple voltage. Use only X5R or X7R dielectrics, as these materials retain ...
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U U APPLICATIO S I FOR ATIO Diode Selection Schottky diodes, with their low forward voltage drop and fast switching speed, are ideal for LT3479 applications. Table 3 lists several Schottky diodes that work well with the LT3479. The diode’s ...
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LT3479 U U APPLICATIO S I FOR ATIO MINIMIZE THE AREA OF THIS TRACE GND I L 2A/DIV V OUT 5V/DIV 0.2ms/DIV Figure 5. Start-Up with No Soft-Start Capacitor I L ...
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U U APPLICATIO S I FOR ATIO Increasing switching frequency reduces output voltage ripple but also reduces efficiency. The user should set the frequency for the maximum tolerable output voltage ripple. Figure 8 shows a reduction in efficiency of about ...
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LT3479 U TYPICAL APPLICATIO 12V/800mA 1MHz Boost Converter L1 D1 4.7µ 2.2µ FBN SHDN LT3479 V REF SS FBP R GND 10k 10nF 17.8k ...
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U TYPICAL APPLICATIO S 3.3V to 8V/900mA Boost Converter L1 D1 4.7µ 3.3V C1 2.2µ FBN SHDN LT3479 V REF SS FBP R GND 4.3k 10nF 17.8k 10nF 3479 ...
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LT3479 U TYPICAL APPLICATIO 2.8V TO 4.2V 500mA, 12 White LED Driver L1 10µ 16V C1 4.7µ SHDN SS LT3479 R V GND T 10nF 17.8k C1: TAIYO ...
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U TYPICAL APPLICATIO S 8V, 16V, –8V Triple Output Power Supply for TFTLCD Panels L1 3.3µ 2.8V TO 4.2V C1 4.7µ FBN SHDN LT3479 V REF SS FBP 10nF R GND V ...
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LT3479 PACKAGE DESCRIPTIO 3.50 ±0.05 1.70 ±0.05 2.20 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 TOP MARK (SEE NOTE 6) 0.200 REF NOTE: 1. DRAWING PROPOSED TO BE MADE VARIATION OF VERSION (WGED-3) IN JEDEC PACKAGE ...
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... DIMENSIONS ARE IN 3. DRAWING NOT TO SCALE 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 Package 16-Lead Plastic TSSOP (4 ...
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... I = 2.5mA <1µA, QFN16 Package 5.5V 300µ <1µA, DFN12 Package 34V 0.9mA <6µA, TSSOP16E Package 5.5V 2.5mA <1µA, QFN16 Package 40V 5mA <16µA, DFN Package Q SD LT/LT 0605 REV A• PRINTED IN THE USA © LINEAR TECHNOLOGY CORPORATION 2004 3479fa ...