LM5114AMF/NOPB Texas Instruments Integrated Circuit (SOT23 (6-Pin)) In Stock
Texas Instruments LM5114AMF/NOPB is a single-channel low-side MOSFET gate driver with Schmitt-trigger input, open-drain output, and compact SOT-23-6 package for synchronous buck converter gate drive circuits.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- LM5114AMF/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9500(MOQ 1)
- 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 LM5114AMF/NOPB?
- Single-channel low-side MOSFET driver with Schmitt-trigger input providing noise-immune switching and clean gate drive signals in high-EMI environments
- Open-drain output stage enabling flexible wired-OR configurations and direct interfacing with bootstrap or bias supply rails
- SOT-23-6 miniature package minimizing board area for space-constrained DC-DC converter and power stage layouts
- RoHS e3-compliant lead-free construction supporting green manufacturing and global market compliance
- Buffer or inverter-based driver topology delivering fast switching transitions for efficient synchronous rectifier control
What is LM5114AMF/NOPB used for?
The LM5114AMF/NOPB is used as a low-side gate driver in synchronous buck converters, LLC resonant converters, and isolated DC-DC topologies where the bottom switch requires a dedicated, noise-immune drive signal. Its Schmitt-trigger input tolerates slow or noisy PWM control signals from DSP and microcontroller outputs, making it reliable in switching power supplies operating in high-interference environments. Power designers also deploy it in battery charger gate drive stages and motor pre-driver circuits to buffer controller logic levels before driving larger external MOSFETs.
What are the specifications of LM5114AMF/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 | R-PDSO-G6 |
| 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 | TSOP6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| 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 | GULL WING |
| 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 |
| ## LM5114AMF/NOPB Alternates Showing results | Image |
| Package | SOT23 (6-Pin) |
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 LM5114AMF/NOPB datasheet?
LM5114AMF/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM5114AMF/NOPB?
Compatible alternatives and drop-in replacements for LM5114AMF/NOPB:
suggested
suggested
suggested
suggested
Frequently Asked Questions
Why does the LM5114AMF/NOPB use a Schmitt-trigger input, and how does it benefit noisy switching environments?
The Schmitt-trigger input of the LM5114AMF/NOPB provides hysteresis typically around 0.5V to 1V, preventing multiple output transitions when a slow-rising or noisy input signal crosses the threshold. In switching power supplies with high dV/dt gate transitions and coupled noise on PWM signal lines, this hysteresis ensures clean single-edge triggering, avoiding shoot-through conditions in half-bridge or synchronous buck converter gate drive circuits.
How does the open-drain output of LM5114AMF/NOPB enable flexible gate drive circuit configurations?
The open-drain output allows the LM5114AMF/NOPB to drive gate resistors connected to any pull-up supply voltage up to the device's rated limit, independent of the logic supply. This makes it compatible with 5V, 10V, and 12V gate drive voltages needed to fully enhance different MOSFET types. Multiple drivers can also share an open-drain bus in wired-OR configurations for redundant or parallel gate drive applications.
For a compact DC-DC converter design, how does the SOT-23-6 package of LM5114AMF/NOPB help PCB layout?
The SOT-23-6 package occupies approximately 8 mm² of board area with 0.95 mm pin pitch, placing the gate driver within millimeters of the MOSFET gate pin to minimize trace inductance. Short gate drive traces in a 6-pin SOT-23 layout reduce ringing and switching losses compared to larger packages, supporting designs targeting switching frequencies of several hundred kHz or more in power dense converters.
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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 |
|---|---|---|
| 1+ | $1.8000 | $1.80 |
| 3+ | $1.7496 | $5.25 |
| 15+ | $1.4580 | $21.87 |
| 500+ | $1.3000 | $650.00 |
| 1000+ | $0.9545 | $954.50 |
| 2000+ | $0.9500 | $1900.00 |
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