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LM2716MT from NS,National Semiconductor

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LM2716MT

Manufacturer: NS, NSC

Dual (Step-up and Step-down) PWM DC/DC Converter

Partnumber Manufacturer Quantity Availability
LM2716MT NS, NSC 3656 In Stock

Description and Introduction

Dual (Step-up and Step-down) PWM DC/DC Converter The LM2716MT is a dual DC/DC converter manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 3V to 20V  
- **Output Voltage Range:**  
  - Buck Converter: Adjustable down to 1.25V  
  - Boost Converter: Adjustable up to 24V  
- **Switching Frequency:** 600 kHz (Buck), 550 kHz (Boost)  
- **Output Current:**  
  - Buck Converter: Up to 1.5A  
  - Boost Converter: Up to 400mA  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin TSSOP (MT)  

### **Descriptions:**  
The LM2716MT integrates a step-down (buck) and a step-up (boost) converter in a single IC. It is designed for power management applications requiring both step-down and step-up regulation. The device operates at high switching frequencies, allowing the use of small external components.  

### **Features:**  
- **Dual Converter:** Combines a buck and boost regulator in one IC.  
- **Adjustable Outputs:** Both converters feature adjustable output voltages.  
- **Synchronization Capability:** External clock synchronization for noise-sensitive applications.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Thermal Shutdown:** Protects the IC from overheating.  
- **Low Shutdown Current:** <1µA in shutdown mode.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual (Step-up and Step-down) PWM DC/DC Converter

Alternative Part Number

  • TPS61030PWPR --: Boost converter in the same class as the LM2716, with higher current capability and a wide input range; TI is the direct successor brand for National Semiconductor parts.
  • LT1935ES5 --: Compact high-efficiency boost converter with comparable switching frequency and output capability, suitable as a functional substitute.
  • MC34063ADR2G --: Widely available general-purpose DC-DC switching regulator that can be configured as a boost converter, offering a low-cost fallback option.
  • LT1932ES6 --: Step-up DC-DC converter with comparable switching frequency and current rating, suitable replacement for low-power boost applications.
  • MC34063AP1 --: Versatile general-purpose DC-DC switching regulator that can be configured as a boost converter, low cost and broadly stocked.

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