LM5109MA Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LM5109MA is a 100V half-bridge gate driver IC with 1A peak output current and Schmitt trigger inputs. Features single-channel MOSFET driving with standard output characteristics. From $0.76 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM5109MA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7611(MOQ 570)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100V high-side and low-side MOSFET gate driver for half-bridge topologies
- 1A peak output current for fast switching with low gate charge MOSFETs
- Gated Schmitt trigger inputs for improved noise immunity
- Single-channel half-bridge driver in compact SO-8 package
- Supports bootstrap operation for high-side gate drive up to 100V
Applications
The LM5109MA is widely used in synchronous buck converters, half-bridge DC-DC power supplies, and motor drive circuits requiring reliable MOSFET gate control. Its 100V rating and 1A drive strength make it suitable for industrial power conversion, battery management systems, and LED driver applications. The compact SO-8 package enables space-efficient designs in consumer electronics and telecom power modules.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| High Side Driver | YES |
| Input Characteristics | GATED SCHMITT TRIGGER |
| Interface IC Type | HALF BRIDGE BASED MOSFET DRIVER |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Characteristics | STANDARD |
| Output Peak Current Limit-Nom | 1A |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 235 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 3.4mA |
| Supply Voltage-Max | 14V |
| Supply Voltage-Min | 8V |
| Supply Voltage-Nom | 12V |
| Supply Voltage1-Max | 114V |
| Supply Voltage1-Min | 7V |
| Supply Voltage1-Nom | 12V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 20 |
| Turn-off Time | 0.056 µs |
| Turn-on Time | 0.056 µs |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum supply voltage for the LM5109MA?
The LM5109MA supports a maximum bootstrap supply voltage of 100V, making it suitable for a wide range of half-bridge power conversion applications including 48V bus systems and industrial motor drives.
What output peak current can the LM5109MA deliver?
The LM5109MA provides a nominal output peak current of 1A, which is sufficient to drive low-to-medium gate charge MOSFETs at high switching frequencies, enabling efficient power conversion in compact designs.
What package does the LM5109MA come in?
The LM5109MA is available in an 8-pin Small Outline (SO-8) package (JESD-30 code: R-PDSO-G8), offering a compact footprint ideal for space-constrained PCB designs in consumer and industrial electronics.
What are typical applications for the LM5109MA?
Typical applications include synchronous buck converters, half-bridge DC-DC converters, class-D audio amplifiers, brushed and brushless DC motor controllers, and LED lighting drivers where reliable MOSFET gate driving up to 100V is required.
Can the LM5109MA replace other half-bridge gate drivers?
The LM5109MA is pin-compatible with several standard half-bridge gate driver ICs in SO-8 packages. Verify voltage rating (100V), peak drive current (1A), and input logic thresholds when considering replacements such as IR2101 or similar devices.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 570+ | $0.7611 | $433.83 |
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