UCC27321DGN Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UCC27321DGN is a single-channel inverting MOSFET gate driver from Texas Instruments capable of sourcing and sinking 9 A peak current. It operates from a 4 V to 15 V supply and features totem-pole output for fast switching. Housed in an 8-pin MSOP package for compact designs.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UCC27321DGN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1684(MOQ 80)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 9 A peak output current with totem-pole drive for rapid MOSFET gate charge and discharge
- Wide 4 V to 15 V supply range enables compatibility with both 5 V logic and 12 V gate drive rails
- Inverting input configuration in an 8-pin MSOP package for space-constrained power converter layouts
Applications
The UCC27321DGN is used in DC-DC converters, motor drives, and switch-mode power supplies requiring fast, high-current MOSFET switching. Its 9 A output capability enables switching of large power MOSFETs with minimal transition times, reducing switching losses at high frequencies. The compact 8-pin MSOP footprint suits tight PCB layouts in telecom and industrial power conversion equipment.
Specifications
| YTEOL | 0 |
| High Side Driver | NO |
| Input Characteristics | STANDARD |
| Interface IC Type | BUFFER OR INVERTER BASED MOSFET DRIVER |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Output Characteristics | TOTEM-POLE |
| Output Current-Max | 9A |
| Output Peak Current Limit-Nom | 9A |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 0.65mA |
| Supply Voltage-Max | 15V |
| Supply Voltage-Min | 4V |
| Supply Voltage-Nom | 14V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Turn-off Time | 0.07 µs |
| Turn-on Time | 0.07 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
Compatible alternatives and drop-in replacements for UCC27321DGN:
Frequently Asked Questions
What is the peak output current capability of the UCC27321DGN and why does it matter for MOSFET switching?
The UCC27321DGN can source and sink up to 9 A peak output current, which directly determines how quickly it can charge and discharge the gate capacitance of large power MOSFETs. Higher gate drive current reduces transition times, lowering switching losses in high-frequency converters operating at hundreds of kilohertz where gate charge speed is critical to efficiency.
Over what supply voltage range does the UCC27321DGN operate and how does this affect gate drive level?
The UCC27321DGN operates from a 4 V to 15 V supply voltage. This wide range allows it to drive MOSFET gates with up to 15 V for full enhancement in power conversion stages, while remaining compatible with 5 V logic supplies in lower-voltage systems, providing design flexibility across a broad range of switch-mode power supply topologies.
Which power conversion applications benefit most from the UCC27321DGN inverting gate driver in an 8-pin MSOP?
The UCC27321DGN inverting driver suits synchronous buck converters, half-bridge stages, and motor drive circuits where the controller signal polarity must be inverted before reaching the gate. Its single-channel 9 A drive in an 8-pin MSOP package keeps PCB area compact in industrial and telecom power supplies operating at switching frequencies above 100 kHz.
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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 |
|---|---|---|
| 80+ | $1.2772 | $102.18 |
| 160+ | $1.2176 | $194.81 |
| 320+ | $1.1684 | $373.89 |
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