LTC4357CMS8#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
LTC4357CMS8#PBF is a high-voltage N-channel hot swap controller supporting up to 80 V input for single-channel positive bus protection in an 8-pin MSOP package, designed for automotive and industrial hot-plug power management applications. From $4.50, in stock, worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LTC4357CMS8#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.5875(MOQ 1)
- 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 LTC4357CMS8#PBF?
- Supports up to 80 V input voltage for automotive and industrial bus rails
- N-channel external MOSFET control for low-loss positive bus hot swap
- Single-channel input fault protection controller
- Compact 8-pin MSOP package for tight board layouts
- Designed for 12 V, 24 V, and 48 V automotive power architectures
- Inrush current limiting protects downstream load during card insertion
What is LTC4357CMS8#PBF used for?
The LTC4357CMS8#PBF is designed for hot swap and circuit protection in automotive 12 V to 48 V systems, industrial backplanes, and high-voltage distributed power architectures. It controls an external N-channel MOSFET to limit inrush current and isolate faults when a board is inserted or a short circuit occurs. The 80 V operating range makes it suitable for 48 V automotive battery systems and telecom -48 V bus architectures.
What are the specifications of LTC4357CMS8#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1660 |
| YTEOL | 10 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | INPUT FAULT PROTECTION CONTROLLER |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 1.25mA |
| Supply Voltage-Max (Vsup) | 80V |
| Supply Voltage-Min (Vsup) | 9V |
| Supply Voltage-Nom (Vsup) | 20V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| 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 LTC4357CMS8#PBF datasheet?
LTC4357CMS8#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC4357CMS8#PBF?
Compatible alternatives and drop-in replacements for LTC4357CMS8#PBF:
suggested
Frequently Asked Questions
What is the maximum input voltage rating of the LTC4357CMS8#PBF, and which bus standards does it protect?
The LTC4357CMS8#PBF supports input voltages up to 80 V, covering 12 V, 24 V, and 48 V automotive bus rails as well as the telecom -48 V standard. This wide range allows a single device to be used across multiple platform voltage architectures without redesigning the protection circuit.
How does the LTC4357CMS8#PBF control inrush current when a board is hot-inserted into a 48 V backplane?
During hot insertion, the LTC4357CMS8#PBF gradually ramps the gate voltage of an external N-channel MOSFET, limiting the rate at which the bus capacitance charges and constraining inrush current to a safe level determined by the sense resistor and external components. This prevents voltage droops on the 48 V rail that could disrupt other boards sharing the backplane.
Why is an N-channel MOSFET topology preferred in the LTC4357CMS8#PBF compared to a P-channel hot swap design at high voltages?
N-channel MOSFETs offer lower on-resistance (RDS(on)) per unit area than P-channel devices at high voltages such as 48 V or 80 V, resulting in lower conduction losses and less heat dissipation. The LTC4357CMS8#PBF provides the gate drive boost voltage necessary to turn on an N-channel device in a high-side positive supply configuration, making high-efficiency protection practical above 40 V.
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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 |
|---|---|---|
| 1+ | $2.7283 | $2.73 |
| 500+ | $2.5915 | $1295.76 |
| 1000+ | $2.5875 | $2587.50 |
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