High Efficiency, Mid-Range Input, Synchronous Buck Controller with Voltage Feed Forward 16-HTSSOP -40 to 85 The TPS40077PWPRG4 is a synchronous buck controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** TPS40077PWPRG4
- **Type:** Synchronous Buck Controller
- **Input Voltage Range:** 4.5V to 28V
- **Output Voltage Range:** Adjustable down to 0.7V
- **Switching Frequency:** Adjustable (100kHz to 600kHz)
- **Maximum Duty Cycle:** 100%
- **Output Current:** Up to 25A (with external FETs)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** HTSSOP-20 (PowerPAD™)
### **Descriptions:**
The TPS40077PWPRG4 is a high-performance synchronous buck controller designed for step-down DC-DC conversion. It supports a wide input voltage range and provides adjustable output voltage with high efficiency. The device is suitable for applications requiring high current and precise voltage regulation, such as telecom, industrial, and computing systems.
### **Features:**
- **Wide Input Voltage Range (4.5V to 28V)** – Supports various power sources.
- **Adjustable Output Voltage (Down to 0.7V)** – Suitable for low-voltage applications.
- **Synchronous Rectification** – Improves efficiency by reducing power loss.
- **Adjustable Switching Frequency (100kHz to 600kHz)** – Allows optimization for efficiency and component size.
- **100% Duty Cycle Operation** – Ensures continuous power delivery even at low input voltages.
- **PowerPAD™ Package (HTSSOP-20)** – Enhances thermal performance.
- **Precision Voltage Reference (0.7V ±1%)** – Ensures accurate output regulation.
- **Integrated Bootstrap Diode** – Simplifies design and reduces external components.
- **Undervoltage Lockout (UVLO)** – Protects against low input voltage conditions.
- **Overcurrent Protection (OCP)** – Enhances system reliability.
This information is based solely on the manufacturer's datasheet and technical documentation.
