LTC1430IS Linear Technology, LTC1430IS Datasheet
LTC1430IS
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LTC1430IS Summary of contents
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... Shutdown mode ® drops the LTC1430 supply current For new designs, refer to the LTC3830. , LTC and LT are registered trademarks of Linear Technology Corporation. Pentium is a registered trademark of Intel Corporation 220 F ...
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... Figure 5V (Note 4) CC SHDN SHDN FREQSET Floating (LTC1430C) FREQSET Floating (LTC1430I) ORDER TOP VIEW PART NUMBER CC2 LTC1430CN LTC1430CS LTC1430IS I 12 MAX FREQSET 11 COMP PACKAGE 16-LEAD PLASTIC C/W ( 110 C/W (S) JA MIN TYP MAX 3.30 1.25 1.265 1.28 1.23 1.265 1.29 ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER V SHDN Input High Voltage IH V SHDN Input Low Voltage IL I SHDN Input Current IN A Error Amplifier Open-Loop DC Gain V gm Error Amplifier Transconductance V ...
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LTC1430 CTIO S (16-Lead Package/8-Lead Package) G1 (Pin 1/Pin 1): Driver Output 1. Connect this pin to the gate of the upper N-channel MOSFET, M1. This output will swing from PV to PGND. It will ...
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W BLOCK DIAGRA DELAY SHDN FREQSET COMP LIM + I MAX 12 A TEST CIRCUITS + 1 F 100 + 4.7 F 0 SHUTDOWN C1 R 220pF C 7.5k C ...
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LTC1430 U U APPLICATIO S I FOR ATIO OVERVIEW The LTC1430 is a voltage feedback PWM switching regu- lator controller (see Block Diagram) designed for use in high power, low voltage step-down (buck) converters. It includes an onboard PWM generator, ...
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U U APPLICATIO S I FOR ATIO MOSFET Gate Drive Gate drive for the top N-channel MOSFET M1 is supplied from PV . This supply must be above PV CC1 power supply input least one power MOSFET V ...
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LTC1430 U U APPLICATIO S I FOR ATIO Once the threshold voltage has been selected chosen based on input and output voltage, allowable power dissipation and maximum required output current typical LTC1430 buck converter circuit operating ...
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U U APPLICATIO S I FOR ATIO inductor value, the input and output voltage and the operating frequency. If the efficiency is high and can be approximately equal to 1, the ripple current is approxi- mately equal to ...
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LTC1430 U U APPLICATIO S I FOR ATIO OS-CON part number 10SA220M (220 F/10V) capacitors feature 2.3A allowable ripple current and 0.035 ESR; three in parallel at the input and six at the output will meet the ...
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U U APPLICATIO S I FOR ATIO Compensation and Transient Response The LTC1430 voltage feedback loop is compensated at the COMP pin; this is the output node of the internal g amplifier. The loop can generally be compensated prop- erly ...
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LTC1430 PPLICATI S I FOR ATIO causing the voltage fall falls, it will limit the output duty cycle, limiting the current at the output. Eventually the system will reach equilibrium, where ...
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PPLICATI FOR ATIO Oscillator Frequency The LTC1430 includes an onboard current controlled oscillator which will typically free-run at 200kHz. An internal 20 A current is summed with any current in or out of the ...
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LTC1430 PPLICATI S I FOR ATIO power inductor will generally be the most massive single component on the board; it can require a mechanical hold- down in addition to the solder on its leads, especially if ...
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... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm) 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. ...
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... Switching Regulator LTC1873 Dual Synchronous Switching Regulator with 5-Bit Desktop VID LTC1929 2-Phase, Synchronous High Efficiency Converter trademark of Linear Technology Corporation. Pentium is a registered trademark of Intel Corporation. SENSE Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 www.linear-tech.com U Dimensions in inches (millimeters) unless otherwise noted ...