LT3080EDD-1#TRPBF Linear Technology, LT3080EDD-1#TRPBF Datasheet
LT3080EDD-1#TRPBF
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LT3080EDD-1#TRPBF Summary of contents
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... The LT3080-1 regulator is offered in the 8- lead MSOP (with an Exposed Pad for better thermal characteristics) and 3mm × 3mm DFN packages LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 25mΩ ...
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... JMAX JA EXPOSED PAD (PIN 9) IS OUT, MUST BE SOLDERED TO PCB ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LT3080EDD-1#PBF LT3080EDD-1#TRPBF LT3080EMS8E-1#PBF LT3080EMS8E-1#TRPBF LEAD BASED FINISH TAPE AND REEL LT3080EDD-1 LT3080EDD-1#TR LT3080EMS8E-1 LT3080EMS8E-1#TR Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T PARAMETER SET Pin Current I SET Output Offset Voltage (V – OUT SET OS Load Regulation ΔI SET ΔV OS ΔV OS Line Regulation (Note 9) ΔI ...
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LT3080-1 TYPICAL PERFORMANCE CHARACTERISTICS Set Pin Current 10.20 10.15 10.10 10.05 10.00 9.95 9.90 9.85 9.80 –50 – 100 125 150 TEMPERATURE (°C) 30801 G01 Offset Voltage Distribution N = 13250 – 2 – ...
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TYPICAL PERFORMANCE CHARACTERISTICS Dropout Voltage (Minimum IN Voltage) 400 350 I = 1.1A LOAD 300 250 I = 500mA LOAD 200 150 100 I = 100mA LOAD –50 – 100 125 TEMPERATURE (°C) 30801 ...
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LT3080-1 TYPICAL PERFORMANCE CHARACTERISTICS V Pin Current CONTROL 1.1A 20 LOAD DEVICE IN CURRENT LIMIT 1mA LOAD INPUT-TO-OUTPUT DIFFERENTIAL (V) *SEE NOTE 9 IN ELECTRICAL ...
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TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage Noise V OUT 100μV/DIV TIME 1ms/DIV OUT R = 100k SET C = O.1μF SET C = 10μF OUT I = 1.1A LOAD PIN FUNCTIONS (DD/MS8E) V (Pin 5/Pin 5): This pin ...
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LT3080-1 BLOCK DIAGRAM APPLICATIONS INFORMATION The LT3080-1 regulator is easy to use and has all the protection features expected in high performance regulators. Included are short-circuit protection and safe operating area protection, as well as thermal shutdown. The LT3080-1 is ...
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APPLICATIONS INFORMATION IN LT3080-1 V CONTROL + + + V V – IN CONTROL SET R C SET SET Figure 1. Basic Adjustable Regulator dissipation: a higher voltage supply for the control circuitry and a lower voltage supply for the ...
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LT3080-1 APPLICATIONS INFORMATION Extra consideration must be given to the use of ceramic capacitors. Ceramic capacitors are manufactured with a variety of dielectrics, each with different behavior across temperature and applied voltage. The most common dielectrics used are specifi ed ...
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APPLICATIONS INFORMATION better than 90 percent equalized sharing of the current. The internal resistance of 25 milliohms (per device) only adds about 25 millivolts of output regulation drop at an output of 2A. At low output voltage, 1V, this adds ...
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LT3080-1 APPLICATIONS INFORMATION Quieting the Noise The LT3080-1 offers numerous advantages when it comes to dealing with noise. There are several sources of noise in a linear regulator. The most critical noise source for any LDO is the reference; from ...
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APPLICATIONS INFORMATION Load Regulation Because the LT3080 fl oating device (there is no ground pin on the part, all quiescent and drive current is delivered to the load not possible to provide true remote load sensing. ...
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LT3080-1 APPLICATIONS INFORMATION give consideration to all sources of thermal resistance from junction to ambient. This includes junction-to-case, case-to-heat sink interface, heat sink resistance or circuit board-to-ambient as the application dictates. Additional heat sources nearby must also be considered. For ...
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APPLICATIONS INFORMATION Power dissipation under these conditions is equal to: PDRIVE = (V – V )(I CONTROL OUT CONTROL OUT CONTROL (3.630V – 0.9V)(17mA) = 46mW DRIVE ...
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LT3080-1 APPLICATIONS INFORMATION The second technique for reducing power dissipation, shown in Figure 9, uses a resistor in parallel with the LT3080-1. This resistor provides a parallel path for current fl ow, reducing the current fl owing through the LT3080-1. ...
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TYPICAL APPLICATIONS OFF V IN 10V Adding Shutdown LT3080 CONTROL + – 25mΩ SET IN LT3080-1 V CONTROL + – 25mΩ SET Q1 VN2222LL R1 SHUTDOWN 30801 TA02 *Q2 INSURES ZERO OUTPUT IN THE ABSENCE ...
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LT3080-1 TYPICAL APPLICATIONS V IN 10V C1 2.2μ 4.8V TO 28V 18 Using a Lower Value SET Resistor IN LT3080-1 V CONTROL + – 25mΩ OUT SET LT3080 CONTROL + – 25mΩ OUT SET R1 2mA ...
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TYPICAL APPLICATIONS IN LT3080 13V TO 18V V CONTROL + – SET LT3080 CONTROL + – SET + 15μF 5V 10μF *4mV DROP ENSURES LT3080-1 IS OFF WITH NO-LOAD MULTIPLE LT3080-1’S CAN BE USED IN PARALLEL ...
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LT3080-1 TYPICAL APPLICATIONS Low Voltage, High Current Adjustable High Effi ciency Regulator 2. † 5.5V + 2× LTC3414 2.2MEG 100k 100μF PGOOD RUN/SS 1000pF SYNC/MODE SGND PGND * DIFFERENTIAL VOLTAGE ON LT3080-1 IS 0.6V SET ...
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TYPICAL APPLICATIONS CMDSH-4E 4. † 25V LT3493 10μF 1μF 100k SHDN 0.1μF GND *DIFFERENTIAL VOLTAGE ON LT3080-1 ≈ 1.4V SET BY THE TPO610L P-CHANNEL THRESHOLD. † MAXIMUM OUTPUT VOLTAGE IS 2V BELOW INPUT VOLTAGE Adjustable High Effi ...
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LT3080-1 PACKAGE DESCRIPTION 3.5 ±0.05 1.65 ±0.05 2.15 ±0.05 (2 SIDES) 0.25 ± 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 TOP MARK (NOTE 6) 0.200 REF 22 DD Package 8-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG ...
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... LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX 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 representation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... LTC3406/LTC3406B 600mA (I ), 1.5MHz Synchronous OUT Step-Down DC/DC Converter LTC3411 1.25A (I ), 4MHz Synchronous OUT Step-Down DC/DC Converter VLDO and ThinSOT are trademarks of Linear Technology Corporation. Linear Technology Corporation 24 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● Paralleling Regulators IN LT3080-1 ...