The LM5114 is designed to drive low-side MOSFETs in boost-type configurations or to drive secondary synchronous MOSFETs in isolated topologies. With strong sink current capability, the LM5114 can drive multiple FETs in parallel. The LM5114 also has the features necessary to drive low-side enhancement mode Gallium Nitride (GaN) FETs. The LM5114 provides inverting and noninverting inputs to satisfy requirements for inverting and Noninverting gate drive in a single device type. The inputs of the LM5114 are TTL/CMOS Logic compatible and withstand input voltages up to 14 V regardless of the VDD voltage. The LM5114 has split gate outputs, providing flexibility to adjust the turnon and turnoff strength independently. The LM5114 has fast switching speed and minimized propagation delays, facilitating high-frequency operation. The LM5114 is available in a 6-pin SOT-23 package and a 6-pin WSON package with an exposed pad to aid thermal dissipation.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LM5114 Single 7.6-A Peak Current Low-Side Gate Driver datasheet (Rev. F) | PDF | HTML | 30 Nov 2015 |
| Application brief | External Gate Resistor Selection Guide (Rev. A) | 28 Feb 2020 | ||
| Application brief | Understanding Peak IOH and IOL Currents (Rev. A) | 28 Feb 2020 | ||
| Application note | Improving Efficiency of DC-DC Conversion through Layout | 07 May 2019 | ||
| More literature | Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) | 29 Oct 2018 | ||
| Application brief | Enable Function with Unused Differential Input | 11 Jul 2018 | ||
| White paper | A comprehensive methodology to qualify the reliability of GaN products | 02 Mar 2015 | ||
| White paper | Advancing Power Supply Solutions Through the Promise of GaN | 24 Feb 2015 | ||
| User guide | AN-2206 LM5114 Evaluation Board (Rev. A) | 03 May 2013 |
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The LM5114 is a single low-side gate driver with 7.6A/1.3A peak sink/source drive current capability. It can be used to drive standard Si MOSFETs or enhancement mode GaN FETs in boost type configurations or to drive secondary synchronous FETs in isolated topologies. The LM5114 evaluation board is (...)
| Package | Pins | Download |
|---|---|---|
| SOT-23 (DBV) | 6 | View options |
| WSON (NGG) | 6 | View options |
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