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UC3715D
Texas Instruments
IC GATE DRVR LOW-SIDE 8SOIC
1554 Pcs New Original In Stock
Low-Side Gate Driver IC Non-Inverting 8-SOIC
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- (356 Ratings)
UC3715D
Product Overview
1825913
DiGi Electronics Part Number
UC3715D-DGManufacturer
Texas Instruments
UC3715D
Description
IC GATE DRVR LOW-SIDE 8SOICInventory
1554 Pcs New Original In Stock
Low-Side Gate Driver IC Non-Inverting 8-SOIC
Quantity
Minimum 1
Minimum 1
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UC3715D Technical Specifications
Category
Power Management (PMIC), Gate Drivers
Packaging
Tube
Series
-
Product Status
Last Time Buy
DiGi-Electronics Programmable
Not Verified
Driven Configuration
Low-Side
Channel Type
Synchronous
Number of Drivers
2
Gate Type
N-Channel, P-Channel MOSFET
Voltage - Supply
7V ~ 20V
Logic Voltage - VIL, VIH
0.8V, 2V
Current - Peak Output (Source, Sink)
1A, 2A
Input Type
Non-Inverting
Rise / Fall Time (Typ)
30ns, 25ns
Operating Temperature
0°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
Base Product Number
UC3715
Datasheet & Documents
Datasheets
Download UC3715D Product Specification (PDF)
HTML Datasheet
UC3715D-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
2156-UC3715D
-UC3715DG4-NDR
-296-11256-5-DG
296-11256-5-NDR
-UC3715D-NDR
-UC3715DG4
-296-11256-5
296-11256-5
TEXTISUC3715D
Standard Package
75
Alternative Parts
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MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Their commitment to excellence makes them my preferred supplier.
de desembre 02, 2025
Choosing DiGi Electronics means investing in products with superior quality and exceptional customer care.
de desembre 02, 2025
The proactive communication from their support team fosters trust and confidence.
de desembre 02, 2025
DiGi Electronics consistently offers high-quality products that meet my expectations.
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Frequently Asked Questions (FAQ)
Is the UC3715D still a viable choice for new low-side gate driver designs given its 'Last Time Buy' status, and what are the risks of long-term supply chain dependency?
The UC3715D is not recommended for new designs due to its 'Last Time Buy' status, which indicates end-of-life (EOL) by Texas Instruments. While existing inventory may suffice for prototyping or short-term production, long-term supply cannot be guaranteed. Designers should transition to a modern alternative like the UCC27424DR, which offers improved performance, active current consumption, and ongoing availability. Relying on the UC3715D introduces significant obsolescence risk, especially in applications requiring 5+ years of production support or compliance with evolving environmental standards.
Can the UC3715D safely drive both N-channel and P-channel MOSFETs in a synchronous buck converter, and what are the critical layout considerations to avoid shoot-through?
Yes, the UC3715D can drive both N-channel and P-channel MOSFETs in synchronous buck topologies, but careful timing and layout are essential to prevent shoot-through. The non-inverting inputs and complementary outputs require precise dead-time control in the PWM controller to avoid simultaneous conduction. Additionally, the 8-SOIC package has limited thermal dissipation; ensure tight Kelvin connections to gate terminals, minimize loop inductance between driver and MOSFETs, and use ground planes under the IC to reduce noise coupling. Without these measures, voltage spikes or cross-conduction could damage the MOSFETs or degrade efficiency.
How does the UC3715D compare to the UCC27424DR in terms of peak drive current, propagation delay matching, and suitability for high-frequency DC-DC converters above 500 kHz?
The UC3715D provides 1A source and 2A sink peak current with 30ns/25ns rise/fall times, while the UCC27424DR offers higher peak currents (4A source/sink) and faster switching (12ns typical propagation delay), making it far superior for high-frequency (>500 kHz) DC-DC converters. The UCC27424DR also features better channel-to-channel delay matching (<5ns), reducing timing skew in half-bridge configurations. For high-density power designs where switching losses and EMI are critical, the UCC27424DR is a more robust, future-proof replacement despite the UC3715D’s historical use in legacy systems.
What are the thermal and reliability implications of operating the UC3715D at its maximum junction temperature of 150°C in an enclosed industrial power supply with limited airflow?
Operating the UC3715D near its 150°C Tj(max) in a thermally constrained environment significantly reduces long-term reliability. The 8-SOIC package has limited thermal conductivity, and sustained high temperatures accelerate electromigration and oxide degradation, increasing the risk of premature failure. TI’s MSL 2 rating allows one year of floor life, but thermal cycling under load can exacerbate solder joint fatigue. For industrial applications, derate the IC by keeping Tj below 125°C using a heatsink or copper pour, and consider switching to a driver with better thermal performance like the UCC27424DR in a thermally enhanced package (e.g., SOIC-8 with exposed pad).
Can the UC3715D be directly replaced with the UC2715D in an existing design without firmware or PCB modifications, and what functional differences should be verified?
The UC2715D is a drop-in pin-compatible replacement for the UC3715D in most applications, but key differences must be verified: the UC2715D operates over a wider temperature range (-40°C to 85°C vs. 0°C to 150°C for UC3715D) and may have slightly different propagation delays and input thresholds. While both share the same 8-SOIC package and logic compatibility, validate timing margins in high-speed switching circuits and ensure the UC2715D meets your system’s thermal requirements. Always test under full load conditions—especially if the original design relied on the UC3715D’s higher temperature tolerance—before committing to a full redesign.
Quality Assurance (QC)
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UC3715D CAD Models
Texas Instruments UC3715D PCB symbols & footprints
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