LM5114BSD/NOPB Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
The LM5114BSD/NOPB is a single-channel low-side MOSFET gate driver from Texas Instruments with Schmitt trigger input and open-drain output, supporting high-speed switching in a compact 6-pin SON package. It drives N-channel MOSFETs with up to 7.6 A peak output current for fast switching applications. RoHS-compliant with e3 moisture sensitivity rating.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 7
- Lifecycle
- ACTIVE
- Datasheet
- LM5114BSD/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8765(MOQ 7)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM5114BSD/NOPB?
- Single-channel low-side MOSFET driver with Schmitt trigger input for noise-immune switching control
- Open-drain output topology enabling flexible pull-up configurations and wired-OR gate drive networks
- High peak drive current capability for fast switching of large N-channel power MOSFETs
- Compact 6-pin SON package with RoHS-compliant e3 JEDEC rating for automated assembly
What is LM5114BSD/NOPB used for?
The LM5114BSD is commonly used as the low-side gate driver in synchronous DC-DC buck and boost converters, where its Schmitt trigger input and fast turn-on/turn-off drive large N-channel MOSFETs at switching frequencies above 100 kHz. It is also applied in motor drive inverters and class D audio amplifiers where half-bridge switch timing with minimal dead time is critical. Its open-drain output makes it adaptable for isolated drive circuits with external bootstrap or pull-up supplies.
What are the specifications of LM5114BSD/NOPB?
| Pbfree Code | Yes |
| YTEOL | 15 |
| High Side Driver | NO |
| Input Characteristics | SCHMITT TRIGGER |
| Interface IC Type | BUFFER OR INVERTER BASED MOSFET DRIVER |
| JESD-30 Code | S-PDSO-N6 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Output Characteristics | OPEN-DRAIN |
| Output Current-Max | 7.6A |
| Output Peak Current Limit-Nom | 7.6A |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC6,.11,37 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 1.9mA |
| Supply Voltage-Max | 12.6V |
| Supply Voltage-Min | 4V |
| Supply Voltage-Nom | 4.5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Turn-off Time | 0.027 µs |
| Turn-on Time | 0.027 µs |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the LM5114BSD/NOPB datasheet?
LM5114BSD/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM5114BSD/NOPB?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What peak output current can the LM5114BSD/NOPB deliver to a MOSFET gate?
The LM5114BSD is capable of delivering up to 7.6 A peak source current and 7.6 A peak sink current to the gate of an N-channel MOSFET. This high drive capability enables fast switching transitions—typically under 10 ns rise and fall times for medium-capacitance gates—which reduces switching losses in power conversion circuits operating at 100 kHz or higher.
How does the Schmitt trigger input of the LM5114BSD improve reliability in noisy switching environments?
The Schmitt trigger input provides hysteresis of approximately 0.7 V, preventing the driver from false-triggering on noise or slow signal edges commonly present in high-frequency switching power supplies. This is especially valuable in PWM drive circuits where gate control signals travel through long PCB traces near high-current switching nodes operating at voltages up to 100 V.
For a synchronous buck converter switching at 400 kHz, how does the LM5114BSD perform as a low-side driver?
At 400 kHz switching frequency, the LM5114BSD is an excellent low-side driver choice because it offers propagation delays of under 20 ns and peak currents of 7.6 A to charge and discharge MOSFET gate capacitances of 10 nF or more within a few nanoseconds. Its open-drain output is compatible with bootstrap drive topologies, and its 6-pin SON package minimizes gate loop inductance to suppress ringing.
What supply voltage range does the LM5114BSD support, and is it suitable for 12 V gate drive rails?
The LM5114BSD operates from a bias supply voltage of 4.5 V to 14 V, making it fully compatible with standard 12 V gate drive rails used in industrial power converters. Its wide voltage range also supports 5 V logic-level drive for low-threshold MOSFETs, providing flexibility across designs that use different gate voltage requirements.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 7+ | $1.2836 | $8.99 |
| 10+ | $1.0945 | $10.95 |
| 25+ | $0.8765 | $21.91 |
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