High-Performance Current-Mode PWM Controller 8-SOIC -40 to 85 The TL2842BDR-8 is a PWM controller IC manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** TL2842BDR-8
- **Type:** Current-Mode PWM Controller
- **Topology:** Flyback, Forward, Boost, Buck
- **Output Configuration:** Single
- **Number of Outputs:** 1
- **Switching Frequency:** Up to 500 kHz
- **Duty Cycle (Max):** 100%
- **Supply Voltage (Vcc):** 8.4V to 30V
- **Start-Up Voltage:** 8.4V (Typical)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** SOIC-8 (D)
- **Mounting Type:** Surface Mount
### **Descriptions:**
- The TL2842BDR-8 is a high-performance, fixed-frequency current-mode PWM controller.
- It is designed for offline and DC-DC converter applications.
- Features include under-voltage lockout (UVLO), current sensing, and a totem-pole output stage for driving power MOSFETs.
- Optimized for low-power applications with high efficiency.
### **Features:**
- **Current-Mode Control:** Improves loop response and simplifies compensation.
- **Adjustable Switching Frequency:** Up to 500 kHz.
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage range.
- **Internal Trimmed Bandgap Reference:** Provides stable voltage regulation.
- **Low Start-Up Current:** Typically 0.5 mA.
- **High-Current Totem-Pole Output:** Directly drives power MOSFETs.
- **Cycle-by-Cycle Current Limiting:** Enhances system protection.
- **Soft-Start Capability:** Reduces inrush current.
This information is strictly based on the manufacturer's datasheet and specifications.
