Digital Dual Synchronous-Buck Power Driver, UCD7242-EP 32-VQFN-HR -55 to 125 The UCD7242MRSJREP is a dual-channel synchronous buck MOSFET driver manufactured by Texas Instruments (TEXAS). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TEXAS)
- **Part Number:** UCD7242MRSJREP
- **Type:** Dual-Channel Synchronous Buck MOSFET Driver
- **Output Current (Source/Sink):** 4A / 4A
- **Supply Voltage Range:** 4.5V to 15V
- **Operating Temperature Range:** -40°C to +125°C
- **Input Logic Compatibility:** TTL/CMOS
- **Switching Frequency:** Up to 1MHz
- **Propagation Delay (Typical):** 30ns
- **Rise/Fall Time (Typical):** 10ns / 8ns
- **Package:** 20-Pin QFN (4mm x 4mm)
- **Qualification:** Enhanced Product (EP) for high-reliability applications
### **Descriptions:**
- The UCD7242MRSJREP is a high-performance, dual-channel MOSFET driver designed for synchronous buck converters.
- It provides independent control for high-side and low-side MOSFETs in power supply applications.
- The device is optimized for efficiency and fast switching performance in high-frequency DC-DC converters.
- It includes under-voltage lockout (UVLO) protection for both channels.
### **Features:**
- **Dual Independent Channels:** Allows independent control of two MOSFETs.
- **High Drive Strength:** 4A source/sink current capability for fast switching.
- **Wide Input Voltage Range:** Supports 4.5V to 15V operation.
- **Low Propagation Delay:** Ensures precise timing for synchronous rectification.
- **TTL/CMOS Input Compatibility:** Works with a variety of control logic levels.
- **UVLO Protection:** Prevents malfunction during low-voltage conditions.
- **Thermally Enhanced QFN Package:** Improves heat dissipation in high-power applications.
- **Enhanced Product (EP) Version:** Designed for extended reliability in harsh environments.
This information is strictly based on the manufacturer's datasheet and technical documentation.
