UC2709N Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The UC2709N is a low-side gate driver IC manufactured by Texas Instruments, designed for driving N-Channel and P-Channel MOSFETs in power management applications. This 8-DIP through-hole component operates across a 5V to 40V supply range with inverting input configuration and dual independent driver channels. The part is currently in active production status with 1754 units in stock inventory.

Substitute parts are necessary when the UC2709N becomes unavailable, when design requirements demand enhanced performance specifications, or when supply chain optimization requires alternative sourcing from qualified manufacturers.

Substiute Parts

UC2709N

Texas InstrumentsIn Stock: 1796UC2709N Datasheet

Current PartRFQ

EL7212CNZ

Renesas Electronics CorporationIn Stock: 1459EL7212CNZ Datasheet

MFR RecommendedRFQ

ICL7667CPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 5644ICL7667CPA+ Datasheet

MFR RecommendedRFQ

ICL7667CPAZ

Renesas Electronics CorporationIn Stock: 1229ICL7667CPAZ Datasheet

MFR RecommendedRFQ

ICL7667EPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 9953ICL7667EPA+ Datasheet

MFR RecommendedRFQ

MC33151PG

onsemiIn Stock: 2728MC33151PG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the UC2709N is determined by the following critical parameters:

Package Compatibility: All substitute parts must use 8-DIP (0.300", 7.62mm) through-hole packaging to ensure direct PCB footprint compatibility.

Functional Configuration: Substitute parts must support dual independent driver channels with inverting input logic to maintain circuit operation without redesign.

Electrical Operating Range: The supply voltage range, logic threshold levels (VIL/VIH), and peak output current capabilities define the substitution boundaries. Parts with overlapping or extended ranges within the UC2709N's 5V to 40V specification are acceptable.

Thermal Performance: Operating temperature range and junction temperature ratings must support the application's thermal environment.

Compliance & Status: All substitute parts must maintain ROHS3 compliance and active production status to ensure long-term availability and regulatory alignment.

The five substitute parts listed below meet these criteria with varying degrees of parameter overlap and performance enhancement.

Parameter Comparison

Engineering Selection Recommendations

EL7212CNZ (Renesas Electronics): This substitute offers enhanced peak output current (2A vs. 1.5A) and faster rise/fall times (7.5ns/10ns vs. 20ns/20ns), providing improved switching performance. However, the supply voltage range is limited to 4.5V to 15V, which restricts use in applications requiring the UC2709N's extended 40V capability. Suitable for designs operating within 4.5V to 15V with performance-critical switching requirements.

ICL7667CPA+ (Analog Devices/Maxim Integrated): This part maintains identical rise/fall time specifications (20ns/20ns) and supports an extended supply range of 4.5V to 17V. The operating temperature range extends to 150°C (junction), providing thermal margin for high-temperature environments. Appropriate for applications requiring moderate voltage ranges and extended thermal performance.

ICL7667CPAZ (Renesas Electronics): Functionally similar to ICL7667CPA+ with matching rise/fall times and inverting input configuration. The supply range is limited to 4.5V to 15V, and the operating temperature maximum is 70°C (ambient), making this option suitable only for standard-temperature applications within the restricted voltage range.

ICL7667EPA+ (Analog Devices/Maxim Integrated): This variant provides the widest operating temperature range (0°C to 150°C junction) and extended supply voltage support (4.5V to 17V). It maintains the UC2709N's 20ns rise/fall time specification. Recommended for applications requiring enhanced thermal performance and moderate voltage ranges.

MC33151PG (onsemi): This substitute maintains the UC2709N's 1.5A peak output current specification and supports a supply range of 6.5V to 18V. The operating temperature range extends to 150°C (junction), and it includes low-side gate driver configuration matching the UC2709N. Slower rise/fall times (31ns/32ns) may impact switching efficiency in high-frequency applications. Suitable for standard switching applications with moderate frequency requirements.

All substitute parts maintain ROHS3 compliance and active production status, ensuring regulatory alignment and long-term supply availability.

Frequently Asked Questions (FAQ)

Q: Can I use EL7212CNZ as a direct replacement for UC2709N in all applications?

A: EL7212CNZ is a direct package and pinout replacement, but the supply voltage range is limited to 4.5V to 15V. If your application requires operation above 15V, this substitute is not suitable. Verify your circuit's supply voltage before selection.

Q: What is the primary difference between ICL7667CPA+ and ICL7667EPA+?

A: Both parts share identical electrical specifications (4.5V to 17V supply, 20ns rise/fall times, inverting input). The primary difference is the operating temperature range: ICL7667CPA+ supports 0°C to 150°C (junction), while ICL7667EPA+ also supports 0°C to 150°C (junction). Both are suitable for extended-temperature applications.

Q: Why does MC33151PG have slower rise/fall times than the UC2709N?

A: MC33151PG specifies 31ns/32ns rise/fall times compared to UC2709N's 20ns/20ns. This difference reflects the device's internal circuit design and does not indicate a defect. For applications sensitive to switching speed, verify that the slower transition times remain acceptable for your frequency and efficiency requirements.

Q: Are all substitute parts suitable for high-voltage applications above 20V?

A: No. Only the UC2709N (5V to 40V) and MC33151PG (6.5V to 18V) support voltages above 17V. EL7212CNZ, ICL7667CPA+, ICL7667CPAZ, and ICL7667EPA+ are limited to 15V or 17V maximum. Confirm your application's supply voltage range before selecting a substitute.

Q: Do all substitute parts maintain the same package footprint as UC2709N?

A: Yes. All five substitute parts use 8-DIP (0.300", 7.62mm) through-hole packaging, ensuring direct PCB footprint compatibility without layout modifications.

Q: Which substitute offers the best thermal performance?

A: ICL7667EPA+ and MC33151PG both support 0°C to 150°C (junction) operating temperature ranges, providing the widest thermal margin. ICL7667CPA+ also reaches 150°C (junction). These options are preferred for high-temperature environments.

Q: Can I use ICL7667CPAZ in automotive applications?

A: ICL7667CPAZ specifies a maximum ambient temperature of 70°C (TA), which is below typical automotive operating requirements. For automotive applications, select MC33151PG, ICL7667CPA+, or ICL7667EPA+, which support extended temperature ranges to 150°C (junction).