LTC3803ES6-5#TRM Linear Technology, LTC3803ES6-5#TRM Datasheet
LTC3803ES6-5#TRM
Specifications of LTC3803ES6-5#TRM
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LTC3803ES6-5#TRM Summary of contents
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... Telecom Power Supplies n Auxiliary/Housekeeping Power Supplies n Power Over Ethernet 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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... LTC3803IS6-5#TRPBF LTC3803HS6-5#PBF LTC3803HS6-5#TRPBF LTC3803MPS6-5#PBF LTC3803MPS6-5#TRPBF LEAD BASED FINISH TAPE AND REEL LTC3803ES6-5 LTC3803ES6-5#TR LTC3803IS6-5 LTC3803IS6-5#TR LTC3803HS6-5 LTC3803HS6-5#TR LTC3803MPS6-5 LTC3803MPS6-5#TR Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. For more information on lead free part marking, go to: For more information on tape and reel specifi ...
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ELECTRICAL CHARACTERISTICS junction temperature range, otherwise specifi cations are at T SYMBOL PARAMETER V V Shunt Regulator Voltage at 25mA CLAMP25mA CC I Input DC Supply Current in CC Normal Operation I Input DC Supply Current in CC,(UV) Undervoltage V ...
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LTC3803-5 ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC3803-5 ...
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TYPICAL PERFORMANCE CHARACTERISTICS V Undervoltage Lockout CC Thresholds vs Temperature 6.0 5.5 5.0 V TURNON 4.5 4.0 V TURNOFF 3.5 3.0 – – 120 TEMPERATURE (°C) 38035 G07 Start-Up I Supply Current CC vs Temperature 70 ...
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LTC3803-5 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 controller for fl yback, SEPIC and DC/DC boost converter applications in a tiny ThinSOT package. The LTC3803-5 is designed so that none of its pins need to come in contact with ...
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LTC3803-5 OPERATION The undervoltage lockout (UVLO) mechanism prevents the LTC3803-5 from trying to drive a MOSFET with in- suffi cient V . The voltage at the (nominally 4.8V) at least momentarily to enable TURNON LTC3803-5 operation. The ...
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APPLICATIONS INFORMATION Many LTC3803-5 application circuits can be derived from the topology shown in Figure 2. The LTC3803-5 itself imposes no limits on allowed power output, input voltage V or desired regulated output voltage these are all ...
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LTC3803-5 APPLICATIONS INFORMATION Leakage Inductance Transformer leakage inductance (on either the primary or secondary) causes a voltage spike to occur after the output switch (Q1) turn-off. This is increasingly prominent at higher load currents, where more stored energy must be ...
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APPLICATIONS INFORMATION to duty cycle. This stabilizes the control loop against subharmonic oscillation. The amount of reduction in the current comparator threshold (ΔV SENSE using the following equation: Duty Cycle – 6.5% • 5μA • R ΔV = SENSE 73.5% ...
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LTC3803-5 TYPICAL APPLICATIONS PRIMARY SIDE 10V, 100mA OUTPUT V IN 36V TO 75V 1nF 22k 787Ω Isolated Housekeeping Telecom Converter BAS516 T1 220k • MMBTA42 2.2μF PDZ6.8B 130Ω 1μF BAS516 • BAS516 9.09k 1k • LTC3803 ...
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TYPICAL APPLICATIONS 4:1 Input Range 3.3V Output Isolated Flyback DC/DC Converter + 72V 2.2μF 220k – MMBTA42 V IN PDZ6.8B 130Ω /RUN GATE TH LTC3803 GND CC ...
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LTC3803-5 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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... TA04 : VISHAY OR IRC, 80mΩ TO 42.2k FB 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 2004 ® 38035fd ...