LT1085CT Linear Technology, LT1085CT Datasheet
LT1085CT
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LT1085CT Summary of contents
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... Unlike PNP regulators, where up to 10% of the output cur- rent is wasted as quiescent current, the LT1083 quiescent current fl ows into the load, increasing effi ciency. 7.5A , LT, LTM and LTM are registered trademarks of Linear Technology Corporation. 5.0A All other trademarks are the property of their respective owners. 3. 7.5A 121Ω ...
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LT1083/LT1084/LT1085 ABSOLUTE MAXIMUM RATINGS Power Dissipation ................................Internally Limited Input-to-Output Voltage Differential C-Grades ..............................................................30V I-Grades ................................................................30V M-Grades (OBSOLETE) .........................................35V Operating Junction Temperature Range (Note 9) C-Grades: Control Section .................. 0°C to 125°C Power Transistor ................ 0°C to 150°C I-Grades: Control Section ...
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... LT1083/LT1084/LT1085 PART MARKING* PACKAGE DESCRIPTION LT1083CP 3-Lead Plastic TO-3P LT1084CP 3-Lead Plastic TO-3P LT1084CT 3-Lead Plastic TO-220 LT1084IT 3-Lead Plastic TO-220 LT1085CT 3-Lead Plastic TO-220 LT1085IT 3-Lead Plastic TO-220 LT1085CM 3-Lead Plastic DD LT1085IM 3-Lead Plastic DD PART MARKING* PACKAGE DESCRIPTION LT1083CP 3-Lead Plastic TO-3P ...
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LT1083/LT1084/LT1085 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T PARAMETER CONDITIONS Reference Voltage I OUT (V IN 10mA ≤ I 1.5V ≤ (V Line Regulation I LOAD M-Grade: 15V ≤ (V C-, I-Grades: 15V ≤ (V Load Regulation ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T PARAMETER CONDITIONS Thermal Resistance Junction-to-Case Control Circuitry/Power Transistor LT1083 K Package P Package LT1084 K Package P Package T Package LT1085 K Package M, T Package Note 1: Stresses beyond ...
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LT1083/LT1084/LT1085 TYPICAL PERFORMANCE CHARACTERISTICS LT1083 Dropout Voltage 2 INDICATES GUARANTEED TEST POINT –40°C ≤ T ≤ 150°C J 0°C ≤ T ≤ 125° 150° 25° –55° ...
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TYPICAL PERFORMANCE CHARACTERISTICS Minimum Operating Current 150° 25° –55° INPUT/OUTPUT DIFFERENTIAL (V) ...
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... TANTALUM OUT 13 12 200 0 100 TIME (μs) 1083/4/5 ADJ G26 LT1085 Maximum Power Dissipation LT1085MK 30 20 LT1085CT 10 LT1085CK 100 110 120 130 140 150 3.0 CASE TEMPERATURE (° LIMITED BY MAXIMUM JUNCTION TEMPERATURE LT1085 Load Transient Response 0 0.2 ADJ = 1μF ...
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BLOCK DIAGRAM THERMAL V ADJ APPLICATIONS INFORMATION The LT1083 family of 3-terminal adjustable regulators is easy to use and has all the protection features that are expected in high performance voltage regulators. They are short-circuit protected, and have safe area ...
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LT1083/LT1084/LT1085 APPLICATIONS INFORMATION Normally, capacitor values on the order of 100μF are used in the output of many regulators to ensure good transient response with heavy load current changes. Output capaci- tance can be increased without limit and larger values ...
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APPLICATIONS INFORMATION The problem occurs with a heavy output load when the input voltage is high and the output voltage is low, such as immediately after removal of a short. The load line for such a load may intersect the ...
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LT1083/LT1084/LT1085 APPLICATIONS INFORMATION Connected as shown not multiplied by the divider P ratio about 0.004Ω per foot using 16-gauge wire. P This translates to 4mV/ load current im- portant to keep ...
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TYPICAL APPLICATION T1 TRIAD C30B F-269U 20Ω 110VAC 20Ω 1 C30B 1N4003 1N4003 1μF 560Ω 82k 15k 10k 1N4148 * 1% FILM RESISTOR L: DALE TO-5 TYPE T2: STANCOR 11Z-2003 GENERAL PURPOSE REGULATOR WITH SCR PREREGULATOR TO LOWER ...
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LT1083/LT1084/LT1085 TYPICAL APPLICATION *C1 IMPROVES RIPPLE REJECTION. X SHOULD BE < RIPPLE FREQUENCY LT1083 IN ADJ + 10μF RETURN 14 Paralleling Regulators 2 FEET #18 WIRE* IN LT1083 OUT ADJ 0.015Ω ...
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TYPICAL APPLICATION High Effi ciency Regulator with Switching Preregulator V IN 28V 10k 1k 1mH IN LT1083 + ADJ MR1122 10,000μF 470Ω 1N914 28V 1M 4N28 10k + LT1011 10k – 28V 1N914 1.2V to 15V Adjustable Regulator V LT1083 ...
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LT1083/LT1084/LT1085 PACKAGE DESCRIPTION .760 – .775 .320 – .350 (19.30 – 19.69) (8.13 – 8.89) .420 – .480 (10.67 – 12.19) .060 .256 (1.524) (6.502) .060 .183 (1.524) (4.648) .075 (1.905) .300 (7.620) BOTTOM VIEW OF DD PAK HATCHED AREA ...
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... BSC 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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. P Package 3-Lead Plastic TO-3P (Similar to TO-247) (Reference LTC DWG # 05-08-1450) .620 – ...
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... Very Low Dropout Linear Regulator LT1430 High Power Step-Down Switching Regulator UltraFast ™ Transient Response LDO Controller LT1575 LT1573 UltraFast Transient Response LDO Controller UltraFast is a trademark of Linear Technology Corporation. Linear Technology Corporation 18 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...