LTC3803HS6#TRMPBF Linear Technology, LTC3803HS6#TRMPBF Datasheet
LTC3803HS6#TRMPBF
Specifications of LTC3803HS6#TRMPBF
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LTC3803HS6#TRMPBF Summary of contents
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... Automotive 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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LTC3803 ABSOLUTE MAXIMUM RATINGS (Note GND CC Low Impedance Source ........................... –0. Current Fed ........................................25mA into V NGATE Voltage ............................................–0. /RUN Voltages............................... –0. SENSE Voltage ............................................. ...
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ELECTRICAL CHARACTERISTICS junction temperature range, otherwise specifi cations are at T SYMBOL PARAMETER V V Shunt Regulator Voltage at 1mA CLAMP1mA Shunt Regulator Voltage at 25mA CLAMP25mA – V Margin MARGIN CLAMP1mA TURNON I ...
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LTC3803 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 ...
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TYPICAL PERFORMANCE CHARACTERISTICS V Undervoltage Lockout CC Thresholds vs Temperature 9.0 8.5 V TURNON 8.0 7.5 7.0 6.5 V 6.0 TURNOFF 5.5 5.0 4.5 4.0 –60 – 120 TEMPERATURE (°C) 3803 G07 Start-Up I Supply Current ...
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LTC3803 PIN FUNCTIONS I /RUN (Pin 1): This pin performs two functions. It serves TH 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 is a constant frequency current mode control- ler for fl yback and DC/DC boost converter applications in a tiny ThinSOT package. The LTC3803 is designed so that none of its pins need to come in contact with ...
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LTC3803 OPERATION The undervoltage lockout (UVLO) mechanism prevents the LTC3803 from trying to drive a MOSFET with insuffi cient V . The voltage at the V pin must exceed (nominally 8.7V) at least momentarily to enable LTC3803 ...
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APPLICATIONS INFORMATION Many LTC3803 application circuits can be derived from the topology shown in Figure 2. The LTC3803 itself imposes no limits on allowed power output, input voltage V or desired regulated output voltage these are all ...
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LTC3803 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 and the V node begins to charge via R CC the V turn-on threshold. Depending on the particular CC situation, this may result in either several on-off cycles before proper operation is reached or permanent relaxation oscillation at ...
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LTC3803 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 GND CC LTC3803 3 4 ...
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LTC3803 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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... OUTPUT CURRENT (A) 3803 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 C • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2003 ® 3803fc ...