BiCMOS Advanced Phase Shift PWM Controller The UCC3895DWTRG4 is a phase-shift PWM controller manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** UCC3895DWTRG4
- **Package:** SOIC-20 (DW)
- **Operating Temperature Range:** -40°C to +85°C
- **Supply Voltage (VDD):** 10V to 15V (max 20V)
- **Output Current (Source/Sink):** 100mA (peak)
- **Switching Frequency:** Up to 1MHz
- **Control Method:** Phase-Shifted PWM
- **Number of Outputs:** 4 (A, B, C, D)
### **Descriptions:**
The UCC3895DWTRG4 is a high-performance phase-shift PWM controller designed for full-bridge power converter applications. It provides precise control over the phase shift between two half-bridge outputs, enabling efficient power conversion in resonant and hard-switched topologies.
### **Features:**
- **Programmable Output Dead Time:** Adjustable delay between switching transitions.
- **Adaptive Delay Set:** Enhances efficiency in ZVS (Zero Voltage Switching) applications.
- **Voltage-Mode and Current-Mode Control:** Supports both control schemes.
- **Soft-Start/Soft-Stop:** Reduces inrush current during startup.
- **Synchronizable Oscillator:** Allows synchronization with external clocks.
- **Error Amplifier:** Built-in for closed-loop control.
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within safe voltage ranges.
- **Lead/Lag Phase Modulation:** Optimizes power delivery.
This information is based solely on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official TI documentation.
