Overview
The UCC27423DR is a high-speed dual MOSFET driver produced by Texas Instruments. It is part of the UCC2742x family, designed to deliver large peak currents into capacitive loads, making it suitable for various power management and switching applications. The device is available in several packages, including the thermally enhanced 8-pin PowerPAD™ MSOP package, as well as standard SOIC-8 and PDIP-8 packages. This driver features enable functions for better control and a unique bipolar and CMOS hybrid output stage to ensure efficient current sourcing and sinking at low supply voltages.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D) - 8 pins |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage | 4 V to 15 V |
| Peak Current | ±4 A |
| Rise Time | 20 ns (typical with 1.8 nF load) |
| Fall Time | 15 ns (typical with 1.8 nF load) |
| Propagation Delay Time | 25 ns (IN falling), 35 ns (IN rising) with 1.8 nF load |
| Input Type | Inverting |
| Enable Functions | ENBA and ENBB, internally pulled up to VDD |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Industry-standard pin-out
- Enable functions for each driver (ENBA and ENBB)
- High current drive capability of ±4 A
- Unique bipolar and CMOS true drive output stage for high current at MOSFET Miller thresholds
- TTL/CMOS compatible inputs independent of supply voltage
- Fast rise and fall times (20 ns and 15 ns typical with 1.8 nF load)
- Low propagation delay times (25 ns and 35 ns typical)
- Dual outputs can be paralleled for higher drive current
- Available in thermally enhanced MSOP PowerPAD™ package
- Rated from –40°C to 125°C
Applications
The UCC27423DR is suitable for a variety of applications that require high-speed and high-current drive capabilities, such as:
- Power supplies and DC-DC converters
- Motor control and drive systems
- High-frequency switching circuits
- Industrial control systems
- Automotive electronics
Q & A
- What is the peak current drive capability of the UCC27423DR?
The UCC27423DR can drive a peak current of ±4 A.
- What are the operating temperature ranges for the UCC27423DR?
The device operates from –40°C to 125°C.
- What are the typical rise and fall times of the UCC27423DR with a 1.8 nF load?
The typical rise time is 20 ns, and the typical fall time is 15 ns.
- Can the outputs of the UCC27423DR be paralleled for higher drive current?
- What is the supply voltage range for the UCC27423DR?
The supply voltage range is from 4 V to 15 V.
- Does the UCC27423DR have enable functions?
- What is the moisture sensitivity level (MSL) of the UCC27423DR?
The MSL is 1 (Unlimited).
- Is the UCC27423DR RoHS compliant?
- What are the typical propagation delay times for the UCC27423DR?
The typical propagation delay times are 25 ns (IN falling) and 35 ns (IN rising) with a 1.8 nF load.
- What type of input does the UCC27423DR have?
The UCC27423DR has inverting inputs.
