LTC3803ES6-3#TRPBF Linear Technology, LTC3803ES6-3#TRPBF Datasheet
LTC3803ES6-3#TRPBF
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LTC3803ES6-3#TRPBF Summary of contents
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... Auxiliary/Housekeeping Power Supplies n Power over Ethernet Powered Devices L, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks and ThinSOT and No R are trademarks of Linear Technology Corporation. All other SENSE trademarks are the property of their respective owners. ...
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... Storage Temperature Range ................... –65°C to 150°C Lead Temperature (Soldering, 10 sec) .................. 300°C *LTC3803-3 internal clamp circuit self regulates V voltage to 9.5V. CC ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LTC3803ES6-3#PBF LTC3803ES6-3#TRPBF LTC3803IS6-3#PBF LTC3803IS6-3#TRPBF LTC3803HS6-3#PBF LTC3803HS6-3#TRPBF LTC3803MPS6-3#PBF LTC3803MPS6-3#TRPBF LEAD BASED FINISH TAPE AND REEL ...
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ELECTRICAL CHARACTERISTICS junction temperature range, otherwise specifi cations are at T SYMBOL PARAMETER V V Shunt Regulator Voltage CLAMP25mA – V Margin MARGIN CLAMP1mA TURNON I Input DC Supply Current CC Normal Operation Start-Up V Shutdown Threshold ...
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LTC3803-3 TYPICAL PERFORMANCE CHARACTERISTICS Reference Voltage vs Temperature 820 815 810 805 800 795 790 785 780 – 120 –60 90 TEMPERATURE (°C) 38033 G01 Oscillator Frequency vs Temperature 330 ...
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TYPICAL PERFORMANCE CHARACTERISTICS Start-Up I Supply Current CC vs Temperature – 0.1V CC TURNON –60 – 120 TEMPERATURE (°C) 38033 G10 Peak Current ...
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LTC3803-3 PIN FUNCTIONS I /RUN (Pin 1): This pin performs two functions serves as the error amplifi er compensation point as well as the run/shutdown control input. Nominal voltage range is 0.7V to 1.9V. Forcing this pin below ...
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OPERATION The LTC3803 constant frequency current mode con- troller for fl yback and DC/DC boost converter applications in a tiny ThinSOT package. The LTC3803-3 is designed so that none of its pins need to come in contact with ...
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LTC3803-3 OPERATION The undervoltage lockout (UVLO) mechanism prevents the LTC3803-3 from trying to drive a MOSFET with in- suffi cient V . The voltage at the (nominally 8.7V) at least momentarily to enable TURNON LTC3803-3 operation. The ...
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APPLICATIONS INFORMATION Many LTC3803-3 application circuits can be derived from the topology shown in Figure 2. The LTC3803-3 itself imposes no limits on allowed power output, input voltage V or desired regulated output voltage these are all ...
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LTC3803-3 APPLICATIONS INFORMATION CURRENT SENSE RESISTOR CONSIDERATIONS The external current sense resistor (R allows the user to optimize the current limit behavior for the particular application. As the current sense resistor is varied from several ohms down to tens of ...
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APPLICATIONS INFORMATION One potential design pitfall is undersizing the value of capacitor this case, the normal supply current VCC drawn by the LTC3803-3 will discharge C before the third winding drive becomes effective, the V turn-off threshold ...
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LTC3803-3 TYPICAL APPLICATIONS PRIMARY SIDE 10V, 100mA OUTPUT V IN 36V TO 75V 1nF 22k 806Ω Isolated Housekeeping Telecom Converter BAS516 T1 • 2.2μF 1μF BAS516 • BAS516 9.2k 1k 220k • LTC3803 /RUN NGATE ...
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TYPICAL APPLICATIONS 4:1 Input Range 3.3V Output Isolated Flyback DC/DC Converter + V IN 18V TO 72V 2.2μF 220k – MMBTA42 PDZ6. /RUN GATE TH LTC3803 GND ...
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LTC3803-3 PACKAGE DESCRIPTION 0.62 0.95 MAX REF 3.85 MAX 2.62 REF RECOMMENDED SOLDER PAD LAYOUT PER IPC CALCULATOR 0.20 BSC DATUM ‘A’ 0.30 – 0.50 REF NOTE: 1. DIMENSIONS ARE IN MILLIMETERS 2. DRAWING NOT TO SCALE 3. DIMENSIONS ARE ...
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... MP-grade part added. Refl ected throughout the data sheet. 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. ...
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... LOAD CURRENT (mA) 38033 TA04c Limited Only by External Components, 3mm × 3mm DFN-10, Limited Only by External Components, 8-pin ThinSOT or ≤ 36V, Burst Mode IN LT 0610 REV D • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2006 ® 38033fd ...