UC2709NG4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The UC2709NG4 is a dual MOSFET power gate driver capable of sourcing and sinking up to 1.5 A peak output current per channel for fast switching. It supports a wide 5 V to 40 V supply range with totem-pole outputs and inverting logic. Available in an 8-pin PDIP package, ideal for high-frequency power conversion designs.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UC2709NG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UC2709NG4?
- Dual-channel inverting MOSFET driver with 1.5 A peak drive current per channel for fast gate charging
- Wide 5 V to 40 V supply voltage range accommodating diverse power conversion topologies
- Totem-pole output stage with high-side drive capability minimizes switching losses in bridge circuits
- 8-pin PDIP package enables easy prototyping and through-hole assembly in industrial power supplies
What is UC2709NG4 used for?
The UC2709NG4 is primarily used in switch-mode power supplies, DC-DC converters, and motor drive circuits where fast and high-current MOSFET gate driving is essential to minimize switching losses. Its dual-channel architecture supports half-bridge and push-pull converter topologies in telecom, industrial, and UPS power systems. The wide supply voltage range also makes it suitable for driving power switches in 12 V to 36 V battery-backed systems.
What are the specifications of UC2709NG4?
| YTEOL | 0 |
| High Side Driver | YES |
| Input Characteristics | STANDARD |
| Interface IC Type | BUFFER OR INVERTER BASED MOSFET DRIVER |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e4 |
| Number of Functions | 2 |
| Output Characteristics | TOTEM-POLE |
| Output Peak Current Limit-Nom | 1.5A |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Current-Max | 12mA |
| Supply Voltage-Max | 40V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 20V |
| Supply Voltage1-Max | 40V |
| Supply Voltage1-Min | 5V |
| Supply Voltage1-Nom | 20V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Turn-off Time | 0.08 µs |
| Turn-on Time | 0.08 µs |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the UC2709NG4 datasheet?
UC2709NG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC2709NG4?
Compatible alternatives and drop-in replacements for UC2709NG4:
Frequently Asked Questions
What is the peak output drive current of the UC2709NG4?
The UC2709NG4 delivers a peak output current of 1.5 A per channel in totem-pole configuration. This high drive capability allows rapid charging and discharging of large MOSFET gate capacitances, enabling fast switching transitions that reduce conduction and switching losses in power conversion circuits.
What supply voltage range does the UC2709NG4 support?
The UC2709NG4 operates from a supply voltage of 5 V to 40 V, giving designers flexibility to use it in a wide range of power electronics applications from low-voltage microcontroller-based designs up to higher-voltage industrial DC-DC converters and motor drives without needing an additional level-shift stage.
Is the UC2709NG4 inverting or non-inverting, and why does it matter?
The UC2709NG4 uses inverting output polarity, meaning a logic-HIGH input produces a logic-LOW gate drive output. This is important when interfacing with PWM controllers whose switching signals need to be complemented, such as in certain push-pull or phase-shifted bridge topologies where signal inversion is required at the driver stage.
What package does the UC2709NG4 use and what does the NG4 suffix mean?
The UC2709NG4 is housed in an 8-pin Plastic Dual In-line Package (PDIP), JESD-30 code R-PDIP-T8. The 'NG4' suffix in Texas Instruments' part numbering indicates a specific packaging or production variant; the JESD-609 code e4 confirms it is a RoHS-compliant, lead-free device suitable for modern manufacturing processes.
In which power supply topologies is the UC2709NG4 most commonly used?
The UC2709NG4 is commonly deployed in half-bridge, push-pull, and forward converter switch-mode power supply topologies. Its dual channels with 1.5 A drive capability and high-side driver support make it well-suited for driving synchronous rectifier MOSFETs, primary-side switches in telecom power systems, and gate drivers in UPS and industrial converter designs operating between 5 V and 40 V.
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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.
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