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TSM101AC from ST,ST Microelectronics

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TSM101AC

Manufacturer: ST, ST8

VOLTAGE AND CURRENT CONTROLLER

Partnumber Manufacturer Quantity Availability
TSM101AC ST, ST8 492 In Stock

Description and Introduction

VOLTAGE AND CURRENT CONTROLLER The TSM101AC is a monolithic integrated circuit manufactured by STMicroelectronics (ST). It is designed for switch-mode power supply (SMPS) control and monitoring applications. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (ST)  
- **Type:** SMPS Controller and Monitoring IC  
- **Package:** SO-8 (Small Outline 8-pin)  
- **Operating Voltage Range:** 4.5V to 36V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Output Current Capability:** Up to 20mA (sink/source)  
- **Internal Reference Voltage:** 2.5V (typical)  
- **Error Amplifier Bandwidth:** 1MHz (typical)  
- **PWM Comparator Response Time:** 200ns (typical)  

### **Descriptions:**  
The TSM101AC integrates a voltage reference, error amplifier, PWM comparator, and an open-collector output driver. It is commonly used in power supply circuits for voltage regulation, current limiting, and overvoltage protection. The device simplifies SMPS designs by combining multiple control functions into a single chip.

### **Features:**  
- **Integrated Voltage Reference (2.5V ±1%)**  
- **High-Gain Error Amplifier**  
- **Adjustable PWM Control**  
- **Open-Collector Output for Direct Drive of Optocouplers or MOSFETs**  
- **Wide Operating Voltage Range (4.5V to 36V)**  
- **Overvoltage Protection (OVP) Capability**  
- **Undervoltage Lockout (UVLO) Functionality**  
- **Low Standby Current Consumption**  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

VOLTAGE AND CURRENT CONTROLLER

Alternative Part Number

  • LMV431AIM5 --: Adjustable shunt voltage reference with similar function and accuracy, widely available and pin-compatible in many designs.
  • TL431ACLP --: Industry-standard adjustable shunt regulator with comparable reference voltage and current capability, easy drop-in replacement.
  • KA431AZ --: Low-cost adjustable shunt reference with similar electrical characteristics, suitable for voltage regulation and feedback circuits.

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