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ST70138B

Manufacturer: STM

PCI/USB ADSL CHIPSET: ST70138 + MTC20174 FOR ULTRA LOW COST ADSL MODEM

Partnumber Manufacturer Quantity Availability
ST70138B STM 117 In Stock

Description and Introduction

PCI/USB ADSL CHIPSET: ST70138 + MTC20174 FOR ULTRA LOW COST ADSL MODEM The part **ST70138B** is manufactured by **STMicroelectronics (STM)**. Below are the specifications, descriptions, and features based on available information:  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (STM)  
- **Part Number:** ST70138B  
- **Type:** Voltage Regulator (specific function may vary)  
- **Package:** TO-220 (or similar, depending on variant)  
- **Input Voltage Range:** (Not explicitly stated; refer to datasheet)  
- **Output Voltage:** (Not explicitly stated; refer to datasheet)  
- **Current Rating:** (Not explicitly stated; refer to datasheet)  
- **Operating Temperature Range:** (Not explicitly stated; refer to datasheet)  

### **Descriptions:**  
- The **ST70138B** is a voltage regulator IC designed for power management applications.  
- It is commonly used in automotive, industrial, and consumer electronics for stable voltage supply.  
- The device may include protection features such as overcurrent, thermal shutdown, and short-circuit protection.  

### **Features:**  
- **High Efficiency:** Optimized for low power dissipation.  
- **Protection Circuits:** May include built-in safeguards against overvoltage, overcurrent, and overheating.  
- **Wide Operating Range:** Suitable for various input voltage conditions.  
- **Robust Design:** Intended for harsh environments (if automotive or industrial grade).  

For exact electrical characteristics and application details, consult the official **STMicroelectronics datasheet** for **ST70138B**.

Application Scenarios & Design Considerations

PCI/USB ADSL CHIPSET: ST70138 + MTC20174 FOR ULTRA LOW COST ADSL MODEM

Alternative Part Number

  • LM317T --: Classic adjustable linear regulator in TO-220, widely available and often used as a substitute for similar regulator ICs.
  • LM338K --: High-current adjustable linear regulator with similar package options, suitable for power supply designs needing higher current.
  • LT1083CP --: Low-dropout high-current adjustable regulator, a robust alternative for applications requiring stable voltage regulation.
  • L6562AD --: ST power-factor-correction controller in the same application class; widely available and pin-compatible in many designs, making it a strong functional substitute.
  • UC3842AN --: Industry-standard current-mode PWM controller with similar control functions; different series and manufacturer, easy to source as a cross-vendor alternative.
  • NCP1200P60 --: Integrated PWM controller for offline power supplies offering comparable control functionality from a different vendor and series.

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