LT4363CS-1#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LT4363CS-1#PBF is a high-voltage surge stopper and overvoltage protection controller in a 16-pin SOIC package. Clamps input transients up to 100 V while limiting load current, protecting downstream circuits from automotive and industrial power surges. Available from global distributors with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- LT4363CS-1#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.4400(MOQ 19)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT4363CS-1#PBF?
- Overvoltage surge clamping up to 100 V protects downstream circuits from automotive load-dump and industrial transients
- Adjustable current limit threshold allows fine-tuning of inrush and short-circuit protection for specific load requirements
- High-voltage operation from 4.5 V to 80 V rail enables direct use in 12 V, 24 V, and 48 V industrial systems
- Fault flag output provides real-time overvoltage and overcurrent status for system-level fault management logic
What is LT4363CS-1#PBF used for?
LT4363CS-1#PBF protects sensitive power electronics in automotive 12 V and 24 V systems against load-dump transients that can reach 60 V to 100 V without proper clamping. It is used in industrial power distribution boards, motor drive input stages, and server hot-plug power supplies where an external MOSFET controlled by LT4363 prevents surge energy from damaging downstream regulators and loads. The device also suits telecom equipment powered from -48 V bus rails where overvoltage and reverse polarity events must be blocked.
What are the specifications of LT4363CS-1#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1610 (S16) |
| YTEOL | 10 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | INPUT FAULT PROTECTION CONTROLLER |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max (Isup) | 1.2mA |
| Supply Voltage-Max (Vsup) | 80V |
| Supply Voltage-Min (Vsup) | 4V |
| Supply Voltage-Nom (Vsup) | 12V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | 1.275 |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the LT4363CS-1#PBF datasheet?
LT4363CS-1#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT4363CS-1#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What maximum voltage can LT4363CS-1#PBF clamp, and how does it protect against automotive load-dump surges?
LT4363CS-1#PBF controls an external N-channel MOSFET to clamp input voltages up to 100 V, well above the 60 V to 80 V load-dump transients specified in automotive standard ISO 7637-2. When VIN exceeds the set overvoltage threshold, LT4363 reduces MOSFET gate drive within 1 µs to limit the voltage seen by downstream 12 V or 24 V circuits, preventing damage to regulators and microcontrollers.
How is the current limit threshold configured on LT4363CS-1#PBF, and what range of load currents can it protect?
The current limit threshold on LT4363CS-1#PBF is set by a resistor between the SENSE pin and the source of the external MOSFET, giving a threshold voltage of 50 mV. By selecting a sense resistor from 1 mΩ to 100 mΩ, designers can program current limits from 0.5 A to 50 A to match their specific load, protecting against both steady-state overloads and inrush spikes.
What input voltage range does LT4363CS-1#PBF support, and is it usable in 48 V telecom power systems?
LT4363CS-1#PBF operates with input voltages from 4.5 V to 80 V continuous and survives transients up to 100 V, making it compatible with 12 V automotive, 24 V industrial, and 48 V telecom bus systems. For -48 V telecom applications, the polarity must be inverted using an external P-channel MOSFET or bridge rectifier configuration to bring VIN within the positive operating range.
What package does LT4363CS-1#PBF come in, and how does it simplify PCB layout for surge protection designs?
LT4363CS-1#PBF comes in a 16-pin SOIC package with 1.27 mm pitch, providing ample pin spacing for high-voltage creepage distances on the PCB. The SOIC-16 form factor allows placing the controller close to the external MOSFET gate within 10 mm while keeping sense resistor Kelvin connections short, minimizing loop inductance that could cause oscillation during fast transient clamping events.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 19+ | $4.5600 | $86.64 |
| 250+ | $3.8134 | $953.36 |
| 500+ | $3.7375 | $1868.75 |
| 1000+ | $3.4400 | $3440.00 |
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