Dual Pulse-Width-Modulation Control Circuit 16-SO The **TL1451CNSG4** is a **PWM Controller** manufactured by **Texas Instruments (TI)**. Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Category:** Integrated Circuits (ICs)
- **Type:** Switching Controllers
- **Topology:** Buck, Boost, Flyback
- **Output Type:** Transistor Driver
- **Number of Outputs:** 2
- **Output Phases:** 1
- **Voltage - Supply (Vcc/Vdd):** 3.6V to 40V
- **Frequency - Switching:** 500kHz (Max)
- **Duty Cycle (Max):** 95%
- **Synchronous Rectifier:** No
- **Clock Sync:** No
- **Operating Temperature:** -40°C to 85°C
- **Package / Case:** 16-SOIC (0.154", 3.90mm Width)
- **Mounting Type:** Surface Mount
### **Descriptions:**
- The **TL1451CNSG4** is a **dual pulse-width modulation (PWM) controller** designed for DC-DC converter applications.
- It includes two independent PWM control circuits, error amplifiers, a precision reference, and adjustable dead-time control.
- Suitable for **step-up (boost), step-down (buck), and flyback converters**.
- Operates over a **wide input voltage range (3.6V to 40V)**.
### **Features:**
- **Dual PWM Control Circuits** – Independent control for two power stages.
- **Adjustable Dead-Time Control** – Allows optimization of efficiency.
- **Precision 2.5V Reference** – Ensures stable regulation.
- **Error Amplifiers** – Provides feedback loop stability.
- **Under-Voltage Lockout (UVLO)** – Ensures proper operation at low input voltages.
- **Low Standby Current** – Reduces power consumption.
- **500kHz Switching Frequency** – Supports high-frequency designs.
This information is sourced from Texas Instruments' official documentation. For detailed application notes, refer to the **TL1451 datasheet**.
