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TPS819 from TOSHIBA

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TPS819

Manufacturer: TOSHIBA

Photosensor

Partnumber Manufacturer Quantity Availability
TPS819 TOSHIBA 36000 In Stock

Description and Introduction

Photosensor The TPS819 is a low-dropout (LDO) linear regulator manufactured by **TOSHIBA**. Below are its specifications, descriptions, and features based on available information:  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Output Voltage Range:** 1.2V to 5.0V (fixed or adjustable)  
- **Output Current:** Up to 300mA  
- **Dropout Voltage:** 200mV (typical at 300mA)  
- **Low Quiescent Current:** 30µA (typical)  
- **High Ripple Rejection Ratio:** 70dB (typical at 1kHz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOT-23-5  

### **Descriptions:**  
- The **TPS819** is a CMOS-based LDO regulator designed for stable voltage supply in portable and battery-powered applications.  
- It provides low noise, high ripple rejection, and low power consumption, making it suitable for power-sensitive devices.  
- The regulator includes built-in protection features such as overcurrent and thermal shutdown.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **High Ripple Rejection:** Reduces noise for sensitive circuits.  
- **Fast Transient Response:** Maintains stable output under load variations.  
- **Short-Circuit Protection:** Safeguards the device from damage.  
- **Thermal Shutdown Protection:** Prevents overheating.  

For exact details, refer to the official **TOSHIBA datasheet** for the TPS819.

Application Scenarios & Design Considerations

Photosensor

Alternative Part Number

  • TL7705ACP --: Voltage supervisor/reset IC with similar function and widely available, suitable replacement for supply monitoring applications.
  • MC34064P-5 --: Undervoltage sensing circuit providing reset function, comparable to the original supervisor role.
  • MAX809R --: Low-cost microprocessor reset supervisor with similar reset output behavior and small package options.
  • MAX809SEUR+T --: Low-cost 3-pin reset supervisor with active-low reset, suitable replacement for basic supply monitoring applications.
  • MC34064P-5G --: Undervoltage sensing circuit in TO-92/DIP package, provides reset output for 5V systems and is a common legacy alternative.

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