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LM2787TPX from NATIONAL,National Semiconductor

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LM2787TPX

Manufacturer: NATIONAL, NS

Low Noise Regulated Switched Capacitor Voltage Inverter in micro SMD

Partnumber Manufacturer Quantity Availability
LM2787TPX NATIONAL, NS 3785 In Stock

Description and Introduction

Low Noise Regulated Switched Capacitor Voltage Inverter in micro SMD The LM2787TPX is a switched capacitor voltage inverter manufactured by National Semiconductor (now part of Texas Instruments). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** National Semiconductor  
- **Type:** Switched Capacitor Voltage Inverter  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** -Vin (Inverts Input Voltage)  
- **Output Current:** Up to 30mA  
- **Switching Frequency:** 450kHz (Typical)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-6  

### **Descriptions:**  
The LM2787TPX is a charge pump voltage inverter that generates a negative output voltage from a positive input supply. It uses a switched capacitor architecture, eliminating the need for an inductor. The device is designed for low-power applications where space and efficiency are critical.  

### **Features:**  
- No Inductors Required  
- Low Quiescent Current: 100µA (Typical)  
- High Efficiency (Up to 96%)  
- Fixed Inverting Output (-Vin)  
- Low Output Impedance  
- Thermal Shutdown Protection  
- Small SOT-23-6 Package  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Low Noise Regulated Switched Capacitor Voltage Inverter in micro SMD

Alternative Part Number

  • TPS73601DCQ --: Low-dropout linear regulator in SOT-223 with similar current capability and pinout, widely available and a common drop-in substitute for National LDO parts.
  • LP2985AIM5-3.3 --: Low-noise LDO regulator from the former National Semiconductor portfolio, now produced by TI, offering comparable regulation performance for similar applications.
  • MIC5205-3.3YM5 --: Popular low-dropout regulator in a small SOT-23 package with similar voltage/current ratings, providing a cost-effective alternative from a different vendor.
  • TPS73601DBVR --: Low-dropout linear regulator in SOT-23-5 with similar current capability and pin-compatible footprint; TI is the successor to National Semiconductor, so availability and support are strong.

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