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TPS851 from TOSHIBA

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TPS851

Manufacturer: TOSHIBA

Photosensor

Partnumber Manufacturer Quantity Availability
TPS851 TOSHIBA 800000 In Stock

Description and Introduction

Photosensor Here are the factual details about the TPS851 part from TOSHIBA based on Ic-phoenix technical data files:

### **Manufacturer:**  
TOSHIBA  

### **Part Number:**  
TPS851  

### **Specifications:**  
- **Type:** Power Management IC (PMIC)  
- **Function:** Step-down DC-DC converter  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable (typically 0.8V to 5.5V)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** HSOP-8  

### **Descriptions:**  
The TPS851 is a high-efficiency, step-down DC-DC converter designed for applications requiring stable power supply with a wide input voltage range. It integrates a low-resistance power MOSFET and provides overcurrent and thermal protection.  

### **Features:**  
- **Wide Input Voltage Range (4.5V–28V)**  
- **High Output Current (3A)**  
- **Adjustable Output Voltage**  
- **Built-in Overcurrent Protection (OCP)**  
- **Thermal Shutdown Protection**  
- **Low Standby Current**  
- **Compact HSOP-8 Package**  

This information is based solely on the available specifications for the TPS851 from TOSHIBA.

Application Scenarios & Design Considerations

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Alternative Part Number

  • S-80845CLY-B-G --: Voltage detector/reset IC with similar function and threshold range, widely available and pin-compatible in many designs.
  • MAX809REUR+T --: Low-power microprocessor reset supervisor offering comparable reset threshold and open-drain output, a common drop-in replacement.
  • MCP131T-300E/TO --: Micropower voltage supervisor with 3.0V threshold and active-low reset, suitable substitute for Toshiba TPS851 in reset circuits.

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