1 The UCC3808DTR-2 is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** UCC3808DTR-2
- **Type:** Current-Mode PWM Controller
- **Topology:** Flyback, Forward, Boost, Buck
- **Frequency Range:** Up to 1MHz
- **Operating Voltage Range:** 8.4V to 12V (UVLO thresholds: 8.4V (on), 7.6V (off))
- **Output Drive Current:** ±1A (peak)
- **Duty Cycle Range:** 0% to 100%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** SOIC-8 (DTR denotes tape and reel packaging)
### **Descriptions:**
The UCC3808DTR-2 is a high-speed, low-power current-mode PWM controller optimized for offline and DC-DC power supplies. It provides precise control for switching power converters with features like cycle-by-cycle current limiting, soft-start, and undervoltage lockout (UVLO). The device is designed for high-frequency operation, making it suitable for compact power supply designs.
### **Features:**
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.
- **Current-Mode Control:** Enhances loop response and simplifies compensation.
- **Adjustable Soft-Start:** Reduces inrush current during startup.
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits.
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.
- **100% Duty Cycle Capability:** Suitable for low-dropout applications.
- **Low Startup and Operating Current:** Improves efficiency.
- **SOIC-8 Package:** Compact and suitable for space-constrained designs.
This information is based solely on the manufacturer's datasheet and specifications.
