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S-8551AA-M5T1G from SIEKO收购电

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S-8551AA-M5T1G

Manufacturer: SIEKO收购电, SII

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECIFICATION, PWM CONTROL SWITCHING REGULATORS
Partnumber Manufacturer Quantity Availability
S-8551AA-M5T1G,S8551AAM5T1G SIEKO收购电, SII 8500 In Stock

Description and Introduction

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECIFICATION, PWM CONTROL SWITCHING REGULATORS The part **S-8551AA-M5T1G** is manufactured by **SII (Seiko Instruments Inc.)**, which is now part of **Seiko Group Corporation** following the integration of **SII and Epson's semiconductor businesses** under **Seiko Epson Corporation**.  

### **Specifications:**  
- **Type:** Voltage Regulator (LDO - Low Dropout)  
- **Output Voltage:** Adjustable (typical range: 1.0V to 5.5V)  
- **Output Current:** 150mA (max)  
- **Input Voltage Range:** 1.7V to 6.0V  
- **Dropout Voltage:** 160mV (typical at 100mA load)  
- **Package:** SOT-23-5  
- **Features:**  
  - Low quiescent current (1.0µA typical in shutdown mode)  
  - High ripple rejection ratio (70dB at 1kHz)  
  - Overcurrent protection  
  - Thermal shutdown protection  

### **Descriptions & Features:**  
- Designed for battery-powered applications requiring low power consumption.  
- Suitable for portable devices, IoT sensors, and consumer electronics.  
- Adjustable output voltage via external resistors.  
- Stable operation with low-ESR ceramic capacitors.  

This information is based on the manufacturer's datasheet and publicly available specifications.

Application Scenarios & Design Considerations

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECIFICATION, PWM CONTROL SWITCHING REGULATORS

Alternative Part Number

  • XC6206P332MR --: Low-dropout linear regulator in a SOT-23-5 package with similar output current and voltage range, widely available and pin-compatible in most designs.
  • AP2112K-3.3TRG1 --: Low-noise CMOS LDO regulator in SOT-23-5 with comparable dropout and current rating, suitable drop-in replacement for many Seiko S-8551 applications.
  • MCP1700T-3302E/TT --: Ultra-low quiescent current LDO in SOT-23-3/5 family with similar voltage and current specs, good alternative when low standby power is required.
  • MIC5205-3.3YM5 --: Low-noise LDO regulator in SOT-23-5 with similar voltage and current ratings, suitable as a functional substitute.

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