LTC4355IDE#PBF Linear Technology, LTC4355IDE#PBF Datasheet
LTC4355IDE#PBF
Specifications of LTC4355IDE#PBF
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LTC4355IDE#PBF Summary of contents
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... Distributed Power Systems n Telecom Infrastructure L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION +48V Diode-OR ...
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... T = 43°C/W JMAX JA EXPOSED PAD (PIN 15) PCB GND CONNECTION OPTIONAL ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LTC4355CDE#PBF LTC4355CDE#TRPBF LTC4355IDE#PBF LTC4355IDE#TRPBF LTC4355CS#PBF LTC4355CS#TRPBF LTC4355IS#PBF LTC4355IS#TRPBF LTC4355CMS#PBF LTC4355CMS#TRPBF LTC4355IMS#PBF LTC4355IMS#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *Temperature grades are identifi label on the shipping container. ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER V Operating Supply Range OUT I Supply Current OUT I INx Pin Input Current INx ΔV External N-Channel Gate Drive GATEx (V – GATEx INx I ...
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LTC4355 TYPICAL PERFORMANCE CHARACTERISTICS OUT OUT 2 OUT IN 1.5 1.0 0 (V) OUT 4355 G01 Δ GATE GATE 15 V > 18V IN 10 ...
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PIN FUNCTIONS Exposed Pad: Exposed pad may be left open or connected to GND. FUSEFLTx: Fuse Fault Outputs. Open-drain output that pulls to GND when V < 3.5V, indicating that the fuse INx has blown open. Otherwise, this output is ...
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LTC4355 BLOCK DIAGRAM IN1 17V VDSFLT FUSEFLT1 PWRFLT1 MON1 6 GATE1 OUT GATE2 GATE1 GATE2 AMP AMP + + 25mV 25mV – – + – + – SD(FLT) SD(FLT SD1(FLT) SD2(FLT) FAULT FAULT V = SD(FLT) ...
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OPERATION High availability systems often employ parallel-connected power supplies or battery feeds to achieve redundancy and enhance system reliability. ORing diodes have been a popular means of connecting these supplies at the point of load. The disadvantage of this approach ...
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LTC4355 APPLICATIONS INFORMATION MOSFET Selection The LTC4355 drives N-channel MOSFETs to conduct the load current. The important features of the MOSFETs are on-resistance R , the maximum drain-source voltage DS(ON and the threshold voltage. DSS The gate drive ...
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APPLICATIONS INFORMATION System Power Supply Failure The LTC4355 automatically supplies load current from the system input supply with the higher voltage. If this supply shorts to ground, reverse current begins to fl ow through the pass transistor temporarily and the ...
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LTC4355 APPLICATIONS INFORMATION Loop Stability The servo loop is compensated by the parasitic capaci- tance of the power N-channel MOSFET. No further compensation components are normally required. In the case when a MOSFET with less than 1000pF gate capacitance is ...
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APPLICATIONS INFORMATION Layout Considerations The following advice should be considered when laying out a printed circuit board for the LTC4355. The inputs to the servo amplifi ers, IN1, IN2, and OUT should be connected as closely as possible to the ...
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LTC4355 TYPICAL APPLICATIONS –36V to –72V/10A with Positive Supply and Negative Supply Diode-ORing RTN A RTN B 340k 12. –48V –48V B 12 10A IRF3710 10A IRF3710 33k 33k 340k 33k IN1 GATE1 IN2 GATE2 ...
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TYPICAL APPLICATIONS –48V/5A with Positive Supply and Negative Supply Diode-ORing with Reverse Input Protection RTNA RTNB = BAS21 VA = –48V VB = –48V V = +24V IN1 V = +24V IN2 = BAS21 GND 10A FDS3672 10A FDS3672 IN1 ...
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LTC4355 TYPICAL APPLICATIONS V = 12V IN R1 86.6k R2 12.7k GND Single 36V to 72V/30A Ideal Diode Using Parallel MOSFETs V = +48V IN R1 340k R2 12.7k GND 14 Single 12V/15A Ideal Diode with Parallel Drivers F1 M1 ...
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TYPICAL APPLICATIONS AdvancedTCA with High Side and Low Side Ideal Diode-OR and Hot Swap – LONG 10A V DA VRTN_A LONG – 10A V DA VRTN_B D D SHORT 100k ENABLE_B FMMT5401 D 100k 100k SHORT ENABLE_A FMMT5401 D 100k ...
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LTC4355 TYPICAL APPLICATIONS 36V to 72V/10A with Positive Supply and Negative Supply Diode-ORing, Combined Fault Outputs, and Zener Clamps on MOSFET Gates 10A V = 48V A CM4Z669-LTC 10A V = 48V B 340k 340k IN1 MON1 SET MON2 12.7k ...
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PACKAGE DESCRIPTION 3.60 ±0.05 2.20 ±0.05 1.70 ± 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED PIN 1 TOP MARK (SEE NOTE 6) 0.200 REF NOTE: 1. DRAWING PROPOSED TO BE MADE ...
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LTC4355 PACKAGE DESCRIPTION 0.889 0.127 (.035 .005) 5.23 3.20 – 3.45 (.206) (.126 – .136) MIN 0.50 0.305 0.038 (.0120 .0015) (.0197) TYP BSC RECOMMENDED SOLDER PAD LAYOUT NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. DIMENSION ...
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... Corrected part number LTC4352 in Related Parts 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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... Controls N-Channel MOSFET 18V Operation Controls Two N-Channel MOSFETs, 1μs Turn-Off, 80V Operation Controls Single N-Channel MOSFET, 0.5μs Turn-Off, 80V Operation Integrated N-Channel MOSFET, 0.5μs Turn-Off 26.5V www.linear.com ● LOAD 4355 TA08 LT 0210 REV E • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2007 4355fe ...