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LM2727MTCX/NOPB from NS,National Semiconductor

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LM2727MTCX/NOPB

Manufacturer: NS, NSC-NATIONAL

N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages 14-TSSOP 0 to 125

Partnumber Manufacturer Quantity Availability
LM2727MTCX/NOPB,LM2727MTCXNOPB NS, NSC-NATIONAL 4324 In Stock

Description and Introduction

N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages 14-TSSOP 0 to 125 The LM2727MTCX/NOPB is a synchronous buck controller manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable down to 0.6V  
- **Switching Frequency:** 300kHz (fixed)  
- **Maximum Output Current:** 15A (with external MOSFETs)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-TSSOP  

### **Descriptions:**  
The LM2727MTCX/NOPB is a high-efficiency, synchronous buck controller designed for step-down DC-DC conversion. It drives external N-channel MOSFETs to regulate output voltage with high accuracy. The device includes features like soft-start, overcurrent protection, and thermal shutdown for robust operation.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Adjustable Output Voltage:** Set via external resistor divider.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Overcurrent Protection:** Uses external current sensing.  
- **Thermal Shutdown:** Protects the IC from overheating.  
- **Wide Input Voltage Range:** Suitable for industrial and automotive applications.  
- **Fixed-Frequency Operation:** Ensures predictable noise performance.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages 14-TSSOP 0 to 125

Alternative Part Number

  • TPS28225DR --: Synchronous buck controller in the same family lineage (National Semiconductor acquired by TI); similar voltage-mode control and gate drive, available in SOIC package as a functional substitute.
  • ISL6545CBZ --: Single-phase synchronous buck PWM controller with comparable input range and gate drive capability, widely used as a cross for LM2727-class controllers.
  • NCP1587ADR2G --: Low-cost synchronous buck controller with similar control scheme and drive strength, suitable as a drop-in style alternative in many LM2727 applications.
  • ISL6208CBZ --: High-frequency synchronous buck MOSFET driver with comparable drive strength and 5V operation, suitable drop-in for many LM2727 applications.
  • FAN5009MX --: Dual high-side/low-side gate driver with similar voltage and current ratings, widely used as an alternative in synchronous buck converter designs.

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