LT4356CDE-1 Linear Technology, LT4356CDE-1 Datasheet
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LT4356CDE-1
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LT4356CDE-1 Summary of contents
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... High Side Switch for Battery Powered Systems n Intrinsic Safety Applications 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. TYPICAL APPLICATION 4A, 12V Overvoltage Output Regulator 10mΩ ...
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LT4356-1/LT4356-2 ABSOLUTE MAXIMUM RATINGS , SHDN ................................................ –60V to 100V V CC SNS ............................. V – 30V or –60V FLT, EN...................................... –0.3V to 80V OUT, A OUT GATE (Note 3) .................................–0. FB, TMR, ...
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... LT4356IMS-1#TRPBF LT4356HMS-1#PBF LT4356HMS-1#TRPBF LT4356CS-1#PBF LT4356CS-1#TRPBF LT4356IS-1#PBF LT4356IS-1#TRPBF LT4356HS-1#PBF LT4356HS-1#TRPBF LT4356CS-2#PBF LT4356CS-2#TRPBF LT4356IS-2#PBF LT4356IS-2#TRPBF LT4356HS-2#PBF LT4356HS-2#TRPBF LEAD BASED FINISH TAPE AND REEL LT4356CDE-1 LT4356CDE-1#TR LT4356IDE-1 LT4356IDE-1#TR LT4356HDE-1 LT4356HDE-1#TR LT4356CDE-2 LT4356CDE-2#TR LT4356IDE-2 LT4356IDE-2#TR LT4356HDE-2 LT4356HDE-2#TR LT4356CMS-1 LT4356CMS-1#TR LT4356IMS-1 LT4356IMS-1#TR LT4356HMS-1 LT4356HMS-1#TR LT4356CS-1 LT4356CS-1#TR ...
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LT4356-1/LT4356-2 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER V Operating Voltage Range Supply Current Reverse Input Current R ΔV GATE Pin Output High Voltage GATE I GATE Pin Pull-Up ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER SHDN Pin Float Voltage V SHDN(FLT) SHDN Pin Current I SHDN t ) Overcurrent Turn Off Delay Time OFF(OC t Overvoltage Turn Off Delay Time OFF(OV) Note 1: ...
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LT4356-1/LT4356-2 TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are 12V 25°C unless otherwise noted SHDN Current vs Temperature SHDN –50 – ...
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TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are 12V 25°C unless otherwise noted Overcurrent TMR Current vs (V – OUT 280 OVERCURRENT CONDITION OUT 240 TMR ...
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LT4356-1/LT4356-2 PIN FUNCTIONS A (DFN and SO Packages Only): Amplifi er Output. OUT Open collector output of the auxiliary amplifi er capable of sinking up to 2mA from 80V. The negative input of the amplifi internally ...
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BLOCK DIAGRAM 50mV – SHDN A OUT – 1.25V AUXILIARY AMPLIFIER + + IN SNS GATE 14V CHARGE PUMP – OC OUT SHDN CONTROL LOGIC RESTART GATEOFF – 1.35V 0. ...
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LT4356-1/LT4356-2 OPERATION Some power systems must cope with high voltage surges of short duration such as those in automobiles. Load circuitry must be protected from these transients, yet high availability systems must continue operating during these events. The LT4356 is ...
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APPLICATIONS INFORMATION The LT4356 can limit the voltage and current to the load circuitry during supply transients or overcurrent events. The total fault timer period should be set to ride through short overvoltage transients while not causing damage to the ...
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LT4356-1/LT4356-2 APPLICATIONS INFORMATION Fault Timer Current The timer current starts at around 2μA with 0.5V or less increasing linearly to 50μA with 75V ing an overvoltage fault (Figure 1). During an overcurrent fault, it ...
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APPLICATIONS INFORMATION This fi xed early warning period allows the systems to per- form necessary backup or house-keeping functions before the power supply is cut off. After V TMR threshold, the pass transistor turns off immediately. Note that during an ...
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LT4356-1/LT4356-2 APPLICATIONS INFORMATION MOSFET stress is the result of power dissipated within the device. For long duration surges of 100ms or more, stress is increasingly dominated by heat transfer; this is a matter of device packaging and mounting, and heatsink ...
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APPLICATIONS INFORMATION The LTC4356 does not need extra compensation compo- nents at the GATE pin for stability during an overvoltage or overcurrent event. With transient input voltage step faster than 5V/μs, a gate capacitor, C1, to ground is needed to ...
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LT4356-1/LT4356-2 APPLICATIONS INFORMATION V IN 12V D2* SMAJ58CA Figure 8. Overvoltage Regulator with P-Channel MOSFET Reverse Input Protection Shutdown The LT4356 can be shut down to a low current mode when the voltage at the SHDN pin goes below the ...
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APPLICATIONS INFORMATION Layout Considerations To achieve accurate current sensing, Kelvin connection to the current sense resistor (R SNS mended. The minimum trace width for 1oz copper foil is 0.02" per amp to ensure the trace stays at a reasonable temperature. ...
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LT4356-1/LT4356-2 TYPICAL APPLICATIONS 24V D2* SMAT70A *DIODES INC. 18 Wide Input Range 5V to 28V Hot Swap with Undervoltage Lockout R Q1 SNS 20mΩ SUD50N03- 118k 10Ω SNS GATE OUT CC 47nF ...
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TYPICAL APPLICATIONS V IN D2* SMAJ58A UV RISING = 5.04V *DIODES INC. Overvoltage Regulator with Low Battery Detection and Output Keep Alive During Shutdown V IN 12V D2* SMAJ58A *DIODES INC. Overvoltage Regulator with Undervoltage Lockout R Q1 SNS 20mΩ ...
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LT4356-1/LT4356-2 TYPICAL APPLICATIONS 2.5A, 48V Hot Swap with Overvoltage Output Regulation at 72V and UV Shutdown at 35V V IN 48V D2* SMAT70A 2.5A, 28V Hot Swap with Overvoltage Output Regulation at 36V and UV Shutdown at 15V V IN ...
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TYPICAL APPLICATIONS Overvoltage Regulator with Reverse Input Protection Up to –80V V IN 12V D1 1N4148 R Q2 SNS 10mΩ IRLR2908 IRLR2908 D2* R4 SMAJ58CA R5 10Ω 2N3904 SNS GATE CC R7 10k D3** IN4148 ...
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LT4356-1/LT4356-2 PACKAGE DESCRIPTION 3.60 ±0.05 2.20 ±0.05 1.70 ± 0.05 0.25 ± 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED PIN 1 TOP MARK (NOTE 6) 0.200 REF NOTE: 1. DRAWING PROPOSED ...
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PACKAGE DESCRIPTION 5.23 (.206) MIN 0.305 ± 0.038 (.0120 ± .0015) TYP RECOMMENDED SOLDER PAD LAYOUT 0.254 (.010) GAUGE PLANE 0.18 (.007) NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS ...
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LT4356-1/LT4356-2 PACKAGE DESCRIPTION .050 BSC N .245 MIN .030 .005 TYP RECOMMENDED SOLDER PAD LAYOUT .010 – .020 45 (0.254 – 0.508) .008 – .010 (0.203 – 0.254) .016 – .050 (0.406 – 1.270) NOTE: INCHES 1. ...
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... Updated drawings in the Typical Applications section 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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... ADC and I C LTC4352 Ideal MOSFET ORing Diode LTC4354 Negative Voltage Diode-OR Controller LTC4355 Positive Voltage Diode-OR Controller Hot Swap and ThinSOT are trademarks of Linear Technology Corporation. SENSE 26 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● Q2 ...