LT3663HMS8E-5#PBF Linear Technology, LT3663HMS8E-5#PBF Datasheet
LT3663HMS8E-5#PBF
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LT3663HMS8E-5#PBF Summary of contents
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... The LT3663 is available in 8-lead DFN and MSOP packages with exposed pads for low thermal resistance. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 100 90 0.1μ ...
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... LT3663IMS8E#PBF LT3663IMS8E#TRPBF LT3663HMS8E#PBF LT3663HMS8E#TRPBF LT3663EMS8E-3.3#PBF LT3663EMS8E-3.3#TRPBF LTFMX LT3663IMS8E-3.3#PBF LT3663IMS8E-3.3#TRPBF LTFMX LT3663HMS8E-3.3#PBF LT3663HMS8E-3.3#TRPBF LTFMX LT3663EMS8E-5#PBF LT3663EMS8E-5#TRPBF 2 Operating Junction Temperature Range (Note 3) LT3663E ............................................. –40°C to 125°C LT3663I .............................................. –40°C to 125°C LT3663H ............................................ –40°C to 150°C Storage Temperature .............................. –65°C to 150°C ...
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... LEAD FREE FINISH TAPE AND REEL LT3663IMS8E-5#PBF LT3663IMS8E-5#TRPBF LT3663HMS8E-5#PBF LT3663HMS8E-5#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. ...
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LT3663 TYPICAL PERFORMANCE CHARACTERISTICS V Undervoltage Lockout IN 8.0 7.5 RISING 7.0 6.5 FALLING 6.0 5.5 5.0 4.5 4.0 –50 – 100 125 TEMPERATURE (°C) 3663 G03 RUN Pin Current ...
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TYPICAL PERFORMANCE CHARACTERISTICS Switch Voltage Drop 400 125°C 350 25°C 300 250 –45°C 200 150 100 0.2 0.4 0.6 0.8 1 SWITCH CURRENT (A) 3663 G01 PIN FUNCTIONS BOOST: The BOOST pin is used to provide a ...
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LT3663 FUNCTIONAL BLOCK DIAGRAM R V SENSE1 – + 2.5V INTERNAL RUN REGULATOR, REFERENCE, UVLO AND OVP I LIM R ILIM V C INTERNAL COMPENSATION 6 + Σ – S SLOPE COMPENSATION OSCILLATOR ...
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OPERATION (Refer to Block Diagram) The LT3663 is a constant frequency, current mode step down regulator. A switch cycle is initiated when the os- cillator enables the RS fl ip fl op, turning on the internal power switch, Q1. The ...
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LT3663 APPLICATIONS INFORMATION FB Resistor Network The output voltage of the LT3663 is programmed with a resistor divider. Choose the 1% resistors according to /0.8 – 1) OUT Reference designators refer to the Block Diagram. The ...
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APPLICATIONS INFORMATION Catch Diode The catch diode conducts current only during switch-off time. Average forward current in normal operation is calculated from: V – OUT AVG ( ) OUT V IN where I is ...
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LT3663 APPLICATIONS INFORMATION BOOST and BIAS Pin Considerations Capacitor C3 and the internal boost diode (see the Block Diagram) are used to generate a boost voltage that is higher than the input voltage. In most cases a 0.1μF capacitor works ...
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... Thermal resistance depends on the layout of the circuit board, but 64°C/W is typical for the (2mm × 3mm) DFN (DCB) package. Other Linear Technology Publications Application Notes 19, 35 and 44 contain more detailed descriptions and design information for Buck regulators and other switching regulators ...
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LT3663 TYPICAL APPLICATIONS 5V Step-Down Converter V IN 7.5V TO 36V V BOOST IN TRANSIENT TO 60V C1 LT3663 4.7μ OFF RUN I SENSE I V LIM OUT R ILIM 28.7k FB GND 3663 TA02 D1: DIODES INC, ...
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PACKAGE DESCRIPTION 3.50 ±0.05 2.10 ±0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED PIN 1 BAR TOP MARK (SEE NOTE 6) 0.200 REF DCB Package 8-Lead Plastic DFN (2mm × 3mm) (Reference ...
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LT3663 2.794 0.102 (.110 .004) 5.23 (.206) MIN 0.42 0.038 (.0165 .0015) TYP RECOMMENDED SOLDER PAD LAYOUT DETAIL “A” 0.254 (.010) GAUGE PLANE DETAIL “A” 0.18 (.007) NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. DIMENSION DOES ...
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... Addition of Typical Applications Drawing Addition of MS8E Package Drawing 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. LT3663 ...
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... LT3510 Dual 25V 1.5MHz, High Effi ciency Step-Down DC/DC Converter OUT LTC3548 Dual 400mA + 800mA, 2.25 MHz Syncronous Step-Down DC/DC Converter V BurstMode 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 ● ...