LTC4224IMS-1#PBF Linear Technology, LTC4224IMS-1#PBF Datasheet
LTC4224IMS-1#PBF
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LTC4224IMS-1#PBF Summary of contents
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... The LTC4224-1 remains off after a fault, while the LTC4224-2 automatically tries to apply power again after a four second cool-down period. L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners ...
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... LTC4224IDDB-2#TRPBF LTC4224CMS-1#PBF LTC4224CMS-1#TRPBF LTC4224CMS-2#PBF LTC4224CMS-2#TRPBF LTC4224IMS-1#PBF LTC4224IMS-1#TRPBF LTC4224IMS-2#PBF LTC4224IMS-2#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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ELECTRICAL CHARACTERISTICS temperature range 25° 5V CC1 SYMBOL PARAMETER Supplies V V Supply Range Supply Current Undervoltage Lockout CC(UVL Supply Range CCLO CCLO ...
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LTC4224-1/LTC4224-2 TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are T = 25° 5V CC1 1.5 1.4 1.3 1.2 1.1 1.0 2.5 3 3.5 4 4.5 5 5.5 V (V) CC 422412 G01 Gate ...
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PIN FUNCTIONS SENSE1, SENSE2 (Pins 1,10): Current Sense Input. Con- nect this pin to an external sense resistor. The current limit circuit controls GATEn to limit the voltage between V and SENSEn to 25mV. An Electronic Circuit Breaker (ECB) is ...
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LTC4224-1/LTC4224-2 OPERATION The LTC4224 is designed to control power on a live back- plane, allowing boards to be safely inserted and removed. It controls two supplies ( with operating voltages CC1 CC2 between 1V and 6V via ...
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APPLICATIONS INFORMATION V Selection CC The LTC4224 is powered from the higher of its two supply pins, V and V .This allows the part to control a sup- CC1 CC2 ply voltage as low as 1V, while the other supply ...
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LTC4224-1/LTC4224-2 APPLICATIONS INFORMATION If the voltage across the sense resistor R1 becomes too high, the inrush current is limited by the internal current limit circuitry. Turn-Off Sequence The MOSFETs can be turned off by the conditions sum- marized in Table ...
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APPLICATIONS INFORMATION ON1 2V/DIV FAULT 5V/DIV I OUT1 1A/DIV GATE1 5V/DIV 5ms/DIV Figure 6. Start-Up with Short at Output time, a 5ms start-up blanking delay begins during which the circuit breaker is not allowed to latchoff the MOSFET. If the ...
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LTC4224-1/LTC4224-2 APPLICATIONS INFORMATION If there is signifi cant supply lead inductance, a severe output short may collapse the input to ground before the LTC4224 can bring the current under control. In this case, the undervoltage lockout activates after an 8μs ...
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APPLICATIONS INFORMATION V CC2 1 SENSE2 CC2 3 GATE2 GND LTC4224 VIAS TO GND PLANE Figure 11. Recommended Layout for Input Supply Transient Protection Network Also, bypass locally with a ...
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LTC4224-1/LTC4224-2 APPLICATIONS INFORMATION Next, assume that there is no load current at start-up, and calculate the inrush current required to charge the load capacitor. As there is no gate capacitor, the supplies start-up in current limit. Compute the time, t ...
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TYPICAL APPLICATION 5V 3.3V PWRFLT PWREN GND BACKPLANE CARD CONNECTOR CONNECTOR 5V 5V and 3.3V Card Resident Application R1 0.004Ω R SNUB1 10Ω SNUB1 100nF 0.004Ω R SNUB2 10Ω 10k C SNUB2 V SENSE1 V CC1 ...
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LTC4224-1/LTC4224-2 PACKAGE DESCRIPTION 0.64 ±0.05 (2 SIDES) 0.70 ±0.05 2.55 ±0.05 1.15 ±0.05 PACKAGE OUTLINE 0.25 ± 0.05 0.50 BSC 2.39 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS NOTE: 1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE ...
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... LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX 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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... Operates from 1V to 13.5V, Multifunction Current Control Controls 12V and 3.3V for AMC and μTCA www.linear.com ● APS 2A 3. GND CONNECTOR PLUG-IN CARD 422412 TA04 ™ Electronic Circuit Breaker SENSE LT 1108 REV A • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2008 422412fa ...