UC3706NG4 Equivalent & Substitute Parts

Part Overview

The UC3706NG4 is a low-side gate driver IC manufactured by Texas Instruments, designed for driving N-channel MOSFETs in power management applications. This device features dual independent channels with both inverting and non-inverting input configurations, operating across a 5V to 40V supply voltage range.

The UC3706NG4 is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production and maintenance applications.

Substiute Parts

UC3706NG4
Texas InstrumentsIn Stock: 862UC3706NG4 Datasheet
UC3706NG4
Current Part
UC3706N
Texas InstrumentsIn Stock: 1905UC3706N Datasheet
UC3706N
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Part Number UC3706NG4
Manufacturer Texas Instruments
Category Power Management (PMIC)
Description IC GATE DRVR LOW-SIDE 16DIP
Driven Configuration Low-Side
Number of Drivers 2
Gate Type N-Channel MOSFET
Voltage - Supply 5V ~ 40V
Logic Voltage - VIL, VIH 0.8V, 2.2V
Current - Peak Output (Source, Sink) 1.5A, 1.5A
Input Type Inverting, Non-Inverting
Rise / Fall Time (Typ) 40ns, 30ns
Operating Temperature 0°C ~ 70°C (TA)
Package / Case 16-DIP (0.300", 7.62mm)
Mounting Type Through Hole
RoHS Status ROHS3 Compliant
Product Status Discontinued at DiGi Electronics

Substitute Part Grouping Explanation

Substitution eligibility for the UC3706NG4 is determined by strict equivalence across the following critical parameters:

  • Driven Configuration: Low-Side
  • Number of Drivers: 2 (dual independent channels)
  • Gate Type: N-Channel MOSFET
  • Voltage - Supply: 5V ~ 40V
  • Logic Voltage - VIL, VIH: 0.8V, 2.2V
  • Current - Peak Output (Source, Sink): 1.5A, 1.5A
  • Input Type: Inverting, Non-Inverting
  • Rise / Fall Time (Typ): 40ns, 30ns
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Package / Case: 16-DIP (0.300", 7.62mm)
  • Mounting Type: Through Hole

The UC3706N meets all substitution criteria as a direct equivalent, maintaining identical electrical specifications and mechanical compatibility while offering active product status and improved availability.

Parameter Comparison

Parameter UC3706NG4 (Main Part) UC3706N (Substitute)
Manufacturer Texas Instruments Texas Instruments
Driven Configuration Low-Side Low-Side
Number of Drivers 2 2
Gate Type N-Channel MOSFET N-Channel MOSFET
Voltage - Supply 5V ~ 40V 5V ~ 40V
Logic Voltage - VIL, VIH 0.8V, 2.2V 0.8V, 2.2V
Current - Peak Output (Source, Sink) 1.5A, 1.5A 1.5A, 1.5A
Input Type Inverting, Non-Inverting Inverting, Non-Inverting
Rise / Fall Time (Typ) 40ns, 30ns 40ns, 30ns
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Package / Case 16-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm)
Mounting Type Through Hole Through Hole
RoHS Status ROHS3 Compliant ROHS3 Compliant
Product Status Discontinued at DiGi Electronics Active

Engineering Selection Recommendations

The UC3706N is a direct functional and mechanical equivalent to the UC3706NG4. Both devices are manufactured by Texas Instruments and maintain identical electrical specifications across all critical parameters including supply voltage range, output current capability, logic thresholds, and timing characteristics.

The UC3706N offers the advantage of active product status with confirmed availability (1802 pcs in stock versus 801 pcs for the discontinued UC3706NG4). Both parts maintain ROHS3 compliance and identical packaging specifications, ensuring drop-in compatibility in existing PCB designs.

Selection between these parts should be based on availability requirements and supply chain considerations, as electrical and mechanical performance are equivalent.

Frequently Asked Questions (FAQ)

Q: Can UC3706N replace UC3706NG4 in existing designs? A: Yes. The UC3706N is a direct substitute with identical electrical specifications, logic thresholds, output current ratings, timing characteristics, and 16-DIP package dimensions. No circuit modifications are required.

Q: Are there differences in packaging between UC3706NG4 and UC3706N? A: Both parts use 16-DIP (0.300", 7.62mm) through-hole packaging. The UC3706NG4 is supplied in standard packaging, while UC3706N is supplied in tube packaging. PCB footprint and mounting requirements are identical.

Q: What are the key parameters that determine substitution eligibility? A: Substitution is based on equivalence in driven configuration (low-side), number of drivers (2), gate type (N-channel MOSFET), supply voltage range (5V ~ 40V), logic voltage thresholds (0.8V, 2.2V), peak output current (1.5A source/sink), input types (inverting/non-inverting), timing characteristics (40ns/30ns rise/fall), operating temperature range (0°C ~ 70°C), and package type (16-DIP through-hole).

Q: Are both parts RoHS compliant? A: Yes. Both UC3706NG4 and UC3706N are ROHS3 compliant and REACH unaffected.

Q: What is the availability status of each part? A: UC3706NG4 is discontinued at DiGi Electronics with 801 pcs in stock. UC3706N is active with 1802 pcs in stock, providing improved long-term availability.

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