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LM5109AMAX
+NomenclatureIC GATE DRVR HALF-BRIDGE 8SOIC
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FabricantTexas Instruments
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Pièce fabricant #LM5109AMAX
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Package SOIC-8
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En stock4240
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Obsolete |
| DrivenConfiguration | Half-Bridge |
| ChannelType | Independent |
| NumberofDrivers | 2 |
| GateType | N-Channel MOSFET |
| Voltage-Supply | 8V ~ 14V |
| LogicVoltage-VILVIH | 0.8V, 2.2V |
| Current-PeakOutput(SourceSink) | 1A, 1A |
| InputType | Non-Inverting |
| HighSideVoltage-Max(Bootstrap) | 108 V |
| Rise/FallTime(Typ) | 15ns, 15ns |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Présentation
Description
Key features of the LM5109AMAX include a floating high-side driver, adaptive dead-time control, and protection features such as under-voltage lockout (UVLO) and shoot-through protection. The gate driver is packaged in a compact 8-pin package, facilitating easy integration into existing designs while minimizing board space. Its ability to drive large capacitive loads with minimal delay ensures efficient operation and improved performance in demanding environments.
Overall, the LM5109AMAX is valued for its reliability, efficiency, and versatility in power management applications, providing effective solutions for engineers seeking high-performance gate driving capabilities.
Equivalent
1. IR2110or IR2113 by Infineon Technologies
2. FAN7390 by ON Semiconductor
3. MIC4420 by Microchip Technology
4. UCC27201A by Texas Instruments
5. ADuM3223 by Analog Devices
Ensure compatibility by comparing specifications such as voltage rating, current capacity, and package type before selecting a replacement.
Features
1. High Voltage Capability: It can handle up to 100V, making it suitable for a wide range of power management applications.
2. Bootstrap Operation: Integrated bootstrap diode facilitates high-side operation and reduces the need for external components.
3. Low Propagation Delay: Offers fast switching speeds with a typical propagation delay of about 30ns, enhancing the efficiency of power conversion.
4. Undervoltage Lockout (UVLO): Protects MOSFETs from operating in low voltage conditions, ensuring reliable performance.
5. Complementary Outputs: Provides high-side and low-side outputs that are capable of sourcing and sinking current with a 1A peak current capability.
6. Thermal Performance: Operates effectively over a wide temperature range, ensuring stability in various environments.
7. Protection Features: Includes features like cross-conduction prevention to avoid shoot-through in half-bridge configurations.
These features make the LM5109AMAX ideal for applications in motor drives, power supplies, and DC-DC converters.
Pinout
1. HB: High-side floating supply voltage.
2. HO: High-side gate drive output.
3. HS: High-side source, connected to the high-side MOSFET source.
4. HI: High-side input.
5. VSS: Ground.
6. LI: Low-side input.
7. LO: Low-side gate drive output.
8. VDD: Supply input voltage.
9. NC: No connection (might not be present in all packaging).
10. DT: Dead time programming pin (used to set dead time between high- and low-side MOSFETs switching to prevent shoot-through).
This driver is typically used in power management applications, including motor drives and DC-DC converters, due to its ability to efficiently manage high-frequency switching and high-power devices.