LTC4350IGN Linear Technology, LTC4350IGN Datasheet
LTC4350IGN
Specifications of LTC4350IGN
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LTC4350IGN Summary of contents
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... The LTC4350 is available in a 16-pin narrow SSOP package. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Hot Swap and ThinSOT are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners ...
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... TAPE AND REEL LTC4350CGN#PBF LTC4350CGN#TRPBF LTC4350IGN#PBF LTC4350IGN#TRPBF Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: For more information on tape and reel specifications, go to: ...
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T SYMBOL PARAMETER DC Characteristics V UV Pin Threshold UVTH V OV Pin Threshold OVTH V TIMER Pin Threshold TM I TIMER Pin Current TM V GAIN Pin Voltage G V GAIN ...
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LTC4350 Typical perForMance characTerisTics 3 25°C A 3.0 2.5 2.0 1.5 1 (V) CC 4350 G01 UV Threshold vs Temperature 1.255 ...
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Typical perForMance characTerisTics Gain Pin Voltage vs Temperature 2 25k GAIN + – (V – 100mV 2.6 2.5 2.4 2.3 2.2 – –25 TEMPERATURE (°C) ...
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LTC4350 pin FuncTions GND (Pin 8): Chip Ground. FB (Pin 9): Analog Error Amplifier Input (E/A1). This pin is used to monitor the output supply voltage with an external resistive divider. The FB pin voltage is compared to 1.220V reference. ...
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DiagraM COMP1 6 REF FB 9 REVERSE CURRENT + R 30mV + – – REF – REF 16 14 GATE V CC CHARGE PUMP + E/A1 – + E/A2 – OVER/UNDER CURRENT + ...
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LTC4350 applicaTions inForMaTion INTRODUCTION Many system designers find it economically feasible to parallel power supplies to achieve redundancy. The second trend is providing some load sharing between the many supplies. In some cases, a failure in any one supply will ...
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PASS-FET USED TO DISCONNECT A BAD POWER SUPPLY AND TO HOT-SWAP A POWER SUPPLY R + SENSE OUT – SENSE GATE g m DRIVE THIS VOLTAGE REPRESENTS THE POWER SUPPLY CURRENT ...
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LTC4350 applicaTions inForMaTion increases. The output voltage will then increase by an amount equal to the voltage drop across R resistor sets the voltage to current relationship in SET the I block. The current in R OUT OUT ...
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A timer is started as soon as the OV pin exceeds 1.220V. The timer consists of a 6µA current source into an external capacitor on the TIMER pin. As soon as the voltage on the TIMER pin exceeds ...
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LTC4350 applicaTions inForMaTion When the power supply is disconnected, the UV pin will drop below 1.220V if the supply is loaded. The LTC4350 then discharges the gate of the power FET isolating the load from the power supply. DESIGN EXAMPLE ...
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The resistors R and R set the adjustment range. OUT SET The voltage translated to a voltage on R SET by the ratio Therefore, the adjustment on OUT SET the output ...
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LTC4350 applicaTions inForMaTion compensation capacitor C can be looked up in Table 1 P2 using t . The value for the zero setting resistor 150Ω. This value guarantees the zero above the crossover frequency. Table ...
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RTN –48V RTN RTN –48V –48V –48V 3.3V OUT GND SB STATUS CONNECTOR LOAD –48V RTN RTN –48V –48V 3.3V OUT GND SB STATUS CONNECTOR POWER SUPPLY OUT IN V ON/OFF PWRGD DD ...
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LTC4350 package DescripTion .254 MIN .0165 ± .0015 RECOMMENDED SOLDER PAD LAYOUT .007 – .0098 (0.178 – 0.249) .016 – .050 (0.406 – 1.270) NOTE: 1. CONTROLLING DIMENSION: INCHES INCHES 2. DIMENSIONS ARE IN (MILLIMETERS) 3. DRAWING NOT TO SCALE ...
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... Not Recommended for New Designs 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. LTC4350 ...
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... R R SET R SET FB R STATUS GAIN GAIN SB LTC4350 GND TIMER COMP1 C COMP2 SENSE GATE OUT OUT – SET R SET FB R STATUS GAIN GAIN SB LTC4350 GND TIMER COMP1 C COMP2 4350fb LT 0310 REV B • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2001 1.5V 1.5V ...