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LM5101CSDX
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Product Detailed Parameters
- Description：IC GATE DRVR HALF-BRIDGE 10WSON
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Driven Configuration：Half-Bridge
- Channel Type：Independent
- Number of Drivers：2
- Gate Type：MOSFET (N-Channel)
- Voltage - Supply：9V ~ 14V
- Logic Voltage - VIL, VIH：2.3V, -
- Current - Peak Output (Source, Sink)：1A, 1A
- Input Type：Non-Inverting
- Rise / Fall Time (Typ)：990ns, 715ns
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-WDFN Exposed Pad
- Supplier Device Package：10-WSON (4x4)
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：118 V
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Overview
The LM5101CSDX is a half-bridge gate driver manufactured by Texas Instruments, designed for driving N-channel MOSFETs in power conversion applications. It operates within a supply voltage range of 9 V to 14 V and supports independent high-side and low-side configurations. The device features a propagation delay of up to 26 ns, with rise and fall times specified at 990 ns and 715 ns respectively. It functions reliably across an extended temperature range from -40°C to +125°C junction temperature. Packaged in an 8-pin WSON format, it integrates TTL-compatible logic inputs and delivers a peak output current suitable for standard switching frequencies.
Feature Summary
- Independent high-side and low-side drivers for flexible half-bridge control
- TTL-compatible logic input thresholds for direct microcontroller interfacing
- Integrated bootstrap diode functionality for simplified circuit design
Applications
- Synchronous buck converters
- Half-bridge DC-DC converter stages
- Motor drive circuits requiring isolated gate control
Procurement Notes
Verify the specific suffix 'X' against official Texas Instruments documentation to confirm tape-and-reel packaging specifications. Ensure the component matches the required thermal performance for your application environment. Cross-reference the datasheet revision date to confirm compatibility with your system requirements before finalizing procurement.
Selection Notes
Select this component when a compact WSON package is preferred over SOIC for space-constrained designs. It is suitable for applications requiring moderate switching speeds with independent channel control. Consider the 9V minimum supply voltage constraint during power rail planning. Verify that the 1A output current capability aligns with the gate charge requirements of the target MOSFETs.
Part Context
This part belongs to the LM5101 family of half-bridge gate drivers from Texas Instruments. Variants such as LM5101BMAX/NOPB offer different output currents and packages like SOIC-8. The LM5101CSDX specifically utilizes a WSON-8 package, distinguishing it from tube-packaged or larger footprint alternatives within the same functional series.
Replacement Considerations
LM5101CSD/NOPB offers identical electrical characteristics but in an LLP-10 package. LM5101BMAX/NOPB provides higher output current (2A) in an SOIC-8 package. Verify pinout compatibility and thermal dissipation requirements when substituting these variants.
