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LF2190NTR
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Product Detailed Parameters
- Description：IC GATE DRVR HALF-BRIDGE 8SOIC
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Driven Configuration：Half-Bridge
- Channel Type：Independent
- Number of Drivers：2
- Gate Type：IGBT, MOSFET (N-Channel)
- Voltage - Supply：10V ~ 20V
- Logic Voltage - VIL, VIH：0.8V, 2.5V
- Current - Peak Output (Source, Sink)：4.5A, 4.5A
- Input Type：Non-Inverting
- Rise / Fall Time (Typ)：25ns, 20ns
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：600 V
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Overview
The LF2190NTR is a half-bridge gate driver manufactured by Littelfuse, designed to drive two N-channel MOSFETs or IGBTs in a half-bridge configuration. It operates with a floating high-side driver using bootstrap operation up to 600V. The device features typical source and sink peak drive currents of 4.5A. Input voltage ranges from 0.8 to 2.5V. Rise time is typically 25 to 50 ns, and fall time is 20 to 45 ns. It is available in an 8-pin SOIC package and operates over an extended temperature range of -40°C to +125°C.
Feature Summary
- Drives two N-channel MOSFETs or IGBTs in a half-bridge configuration
- Floating high-side driver supports bootstrap operation up to 600V
- Provides high peak drive current capability for fast switching
Applications
- Half-bridge power converter circuits
- IGBT and MOSFET gate driving applications
- Industrial motor control systems
Procurement Notes
Verify the specific suffix 'NTR' indicates tape and reel packaging when ordering. Confirm the manufacturer is Littelfuse Inc. Ensure the component meets ESD handling standards as specified in JESD-625 during storage and assembly. Check for RoHS compliance status if required by your manufacturing process.
Selection Notes
Select this component when a half-bridge topology is required with high peak drive current capabilities. The 600V floating high-side capability makes it suitable for medium-voltage applications. Consider the 8-pin SOIC package size for PCB layout constraints. Verify input voltage compatibility with your logic levels, as the range is 0.8 to 2.5V.
Part Context
The LF2190N series belongs to Littelfuse's portfolio of gate drivers under PMIC - Power Management ICs. It is specifically categorized as a gate driver for power electronics. The 'NTR' designation typically refers to the tape and reel packaging variant of the LF2190N part number.
Replacement Considerations
Public confirmed substitute part numbers are not provided in the available documentation. Consult Littelfuse official resources for direct replacements.
