LTC4449IDCB
IC GATE DRVR HALF-BRIDGE 8DFNManufacturer: Analog Devices Inc.
Categories: Gate Drivers
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The Analog Devices Inc. LTC4449IDCB is a half-bridge gate driver designed for driving high-side and low-side N-channel MOSFETs. This component features a non-inverting input and provides robust drive capability with peak output currents of 3.2A sourcing and 4.5A sinking. The driver supports a high-side bootstrap voltage up to 42V, enabling efficient switching of higher voltage power rails. Its 8-DFN (2x3) package with an exposed pad facilitates effective thermal management for surface mount applications. Typical rise and fall times are 8ns and 7ns respectively, contributing to reduced switching losses. The LTC4449IDCB operates within a supply voltage range of 4V to 6.5V and is specified for operation from -40°C to 125°C. This device finds application in power conversion systems, motor control, and power supply designs requiring efficient MOSFET switching.
Additional Information
Series: -RoHS Status: unknownManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 8-WFDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Voltage - Supply | 4V ~ 6.5V |
| Input Type | Non-Inverting |
| High Side Voltage - Max (Bootstrap) | 42 V |
| Supplier Device Package | 8-DFN (2x3) |
| Rise / Fall Time (Typ) | 8ns, 7ns |
| Channel Type | Synchronous |
| Driven Configuration | Half-Bridge |
| Number of Drivers | 2 |
| Gate Type | N-Channel MOSFET |
| Logic Voltage - VIL, VIH | 3V, 6.5V |
| Current - Peak Output (Source, Sink) | 3.2A, 4.5A |
| Programmable | Not Verified |
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