ltc3803es6-3 Linear Technology Corporation, ltc3803es6-3 Datasheet
ltc3803es6-3
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ltc3803es6-3 Summary of contents
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... Auxiliary/Housekeeping Power Supplies Power Over Ethernet Powered Devices ■ , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. U TYPICAL APPLICATIO 5V Output Nonisolated Telecom Housekeeping Power Supply ...
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... PACKAGE/ORDER * CC CC ORDER PART NUMBER LTC3803ES6-3 LTC3803IS6-3 Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges. ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER DC Minimum Switch On Duty Cycle ON(MIN) DC Maximum Switch On Duty Cycle ON(MAX) t Gate Drive Rise Time RISE t Gate Drive Fall Time FALL I Peak Slope ...
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LTC3803 TYPICAL PERFOR A CE CHARACTERISTICS Reference Voltage vs Temperature 812 808 804 800 796 792 788 –30 – 110 – TEMPERATURE (°C) 38033 G01 Oscillator Frequency vs Temperature ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Start-Up I Supply Current CC vs Temperature – 0.1V CC TURNON –50 –30 – 110 TEMPERATURE (°C) ...
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LTC3803 CTIO S I /RUN (Pin 1): This pin performs two functions serves as the error amplifier compensation point as well as the run/shutdown control input. Nominal voltage range is 0.7V to 1.9V. ...
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U OPERATIO The LTC3803 constant frequency current mode controller for flyback and DC/DC boost converter applica- tions in a tiny ThinSOT package. The LTC3803-3 is de- signed so that none of its pins need to come in contact ...
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LTC3803-3 U OPERATIO Start-Up/Shutdown The LTC3803-3 has two shutdown mechanisms to disable and enable operation: an undervoltage lockout on the V supply pin voltage, and a forced shutdown whenever external circuitry drives the I TH LTC3803-3 transitions into and out ...
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U OPERATIO Powering the LTC3803-3 In the simplest case, the LTC3803-3 can be powered from a high voltage supply through a resistor. A built-in shunt regulator from the V pin to GND will draw as much CC current as needed ...
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LTC3803 APPLICATIO S I FOR ATIO 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 volt- ...
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U U APPLICATIO S I FOR ATIO 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 ...
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LTC3803 APPLICATIO S I FOR ATIO 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 ...
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U TYPICAL APPLICATIO S PRIMARY SIDE 10V, 100mA OUTPUT V IN 36V TO 75V 1nF 22k 806Ω 2W Isolated Housekeeping Telecom Converter BAS516 T1 • 2.2μF 1μF BAS516 • BAS516 9.2k 1k 220k • LTC3803 /RUN NGATE ...
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LTC3803-3 U TYPICAL APPLICATIO S 4:1 Input Range 3.3V Output Isolated Flyback DC/DC Converter + 72V 2.2μF 220k – MMBTA42 V IN PDZ6. /RUN GATE TH LTC3803 ...
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... MOLD FLASH SHALL NOT EXCEED 0.254mm 6. JEDEC PACKAGE REFERENCE IS MO-193 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. U ...
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... Photoflash Capacitor Charger in 5-Pin SOT-23 LTC3803 Constant Frequency Flyback Controller LTC3803-5 Constant Frequency Flyback Controller LTC3806 Synchronous Flyback Controller Burst Mode is a registered trademark of Linear Technology Corporation Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...