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SA9105FFA from SMEC

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SA9105FFA

Manufacturer: SMEC, SAMEC

THREE PHASE BIDIRECTIONAL POWER/ENERGY METERING IC WITH INSTANTANEOUS PULSE OUTPUT
Partnumber Manufacturer Quantity Availability
SA9105FFA SMEC, SAMEC 600 In Stock

Description and Introduction

THREE PHASE BIDIRECTIONAL POWER/ENERGY METERING IC WITH INSTANTANEOUS PULSE OUTPUT The part **SA9105FFA** is manufactured by **SMEC (Shanghai SIM-BCD Semiconductor Manufacturing Limited)**.  

### **Specifications:**  
- **Type:** Voltage Regulator IC  
- **Package:** TO-252 (DPAK)  
- **Input Voltage Range:** Up to 40V  
- **Output Voltage:** 5V (fixed)  
- **Output Current:** 1A  
- **Dropout Voltage:** Typically 0.5V at full load  
- **Line Regulation:** ±0.2%  
- **Load Regulation:** ±0.4%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Overcurrent protection, thermal shutdown  

### **Descriptions and Features:**  
- A low-dropout (LDO) linear voltage regulator designed for stable 5V output.  
- Suitable for automotive, industrial, and consumer electronics applications.  
- High ripple rejection ratio for noise-sensitive circuits.  
- Compact DPAK package for efficient heat dissipation.  
- Built-in safeguards against overheating and excessive current.  

For exact datasheet details, refer to SMEC's official documentation.

Application Scenarios & Design Considerations

THREE PHASE BIDIRECTIONAL POWER/ENERGY METERING IC WITH INSTANTANEOUS PULSE OUTPUT

Alternative Part Number

  • LNK304PN --: Offline switcher IC in a similar low-power AC-DC role; widely available and well documented as a functional substitute in power supply designs.
  • VIPER12A --: Integrated offline PWM power switch commonly used in the same low-power SMPS applications, offering comparable voltage and current ratings.
  • TNY264PN --: TinySwitch family offline switcher suitable for low-power supplies; a practical cross when the original SMEC device is unavailable.
  • ADE7755AN --: Single-phase energy metering IC with pulse output, functionally similar to the SA9105 power metering front-end and widely available.
  • CS5460A-ISZ --: Single-phase bidirectional power/energy measurement IC with similar metering function and digital interface, a common replacement in energy meter designs.
  • BL0937 --: Low-cost single-phase energy metering IC with pulse output, suitable as a functional substitute for the SA9105 in watt-hour meter applications.

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