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LM5009MM/NOPB from NS,National Semiconductor

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LM5009MM/NOPB

Manufacturer: NS, TI, National Semiconductor

9.5-95V Wide Vin, 150mA Constant On-Time Non-Synchronous Buck Regulator 8-VSSOP -40 to 125
Partnumber Manufacturer Quantity Availability
LM5009MM/NOPB,LM5009MMNOPB NS, TI, National Semiconductor 7003 In Stock

Description and Introduction

9.5-95V Wide Vin, 150mA Constant On-Time Non-Synchronous Buck Regulator 8-VSSOP -40 to 125 The LM5009MM/NOPB is a high-voltage switching regulator manufactured by National Semiconductor. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Input Voltage Range:** 7.5V to 100V  
- **Output Voltage Range:** Adjustable from 1.225V to 90V  
- **Output Current:** Up to 100mA  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin VSSOP (MSOP)  

### **Descriptions:**  
The LM5009MM/NOPB is a high-voltage, step-down (buck) switching regulator designed for applications requiring wide input voltage ranges. It integrates a high-side N-channel MOSFET and features a constant on-time (COT) control scheme for fast transient response. The device is suitable for industrial, automotive, and telecom applications.  

### **Features:**  
- **Wide Input Voltage Range (7.5V to 100V)**  
- **Integrated 100V, 0.5A N-Channel MOSFET**  
- **Adjustable Output Voltage (1.225V to 90V)**  
- **Constant On-Time (COT) Control for Fast Transient Response**  
- **Adjustable Switching Frequency (Up to 1MHz)**  
- **Thermal Shutdown Protection**  
- **Undervoltage Lockout (UVLO)**  
- **Low Quiescent Current (3.5mA typical)**  

This information is based solely on the manufacturer's datasheet for the LM5009MM/NOPB.

Application Scenarios & Design Considerations

9.5-95V Wide Vin, 150mA Constant On-Time Non-Synchronous Buck Regulator 8-VSSOP -40 to 125

Alternative Part Number

  • TPS5405DR --: Wide-input buck converter with comparable voltage and current ratings, pin-compatible function, and readily available from TI.
  • MP2451DJ-LF-Z --: Similar wide-input step-down regulator in a small package, good drop-in functional substitute with lower quiescent current.
  • AP3211KTR-G1 --: Comparable wide-input buck converter offering similar output current and switching frequency, suitable as a cost-effective alternative.
  • MP2459GJ --: Pin-compatible-class 0.5A wide-input buck converter with comparable voltage rating and small package, a common cross-brand substitute for LM5009 designs.
  • MAX5035BASA --: High-voltage step-down converter with similar input range and output current, suitable drop-in for many LM5009 designs.
  • LT1934ES6 --: Low-power wide-input buck regulator with comparable switching frequency and current capability, good alternative when layout can be adjusted.

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