Overview
The TSM101IDT, produced by STMicroelectronics, is an integrated circuit designed to control and monitor the voltage and current levels in switching power supplies. This IC incorporates a high stability series band gap voltage reference, two ORed operational amplifiers, and a current source. It is particularly useful for providing feedback through an optocoupler to the PWM controller IC in the primary side of the power supply, ensuring precise voltage and current regulation.
Key Specifications
| Parameter | Value |
|---|---|
| Reference Voltage (V) | 1.24 V (nominal) |
| Supply Voltage Range | 4.5 to 32 V |
| Output Current of Voltage Reference | 10 mA |
| Precision of Voltage Reference | 1% |
| Operational Amplifiers | Two ORed operational amplifiers with 1 MHz gain bandwidth product |
| Current Generator | Built-in current generator with enable/disable function |
| Package Types | SO8, DIP8, TSSOP8 |
| Operating Temperature Range | -40°C to 125°C |
| RoHS Compliance | Ecopack3 |
Key Features
- High stability series band gap voltage reference with 1.24 V output and 1% precision.
- Built-in current generator with enable/disable function.
- Two ORed operational amplifiers with 1 MHz gain bandwidth product.
- Available in SO8, DIP8, and TSSOP8 packages.
- Wide supply voltage range of 4.5 to 32 V.
- Low consumption suitable for battery chargers and adaptors.
Applications
The TSM101IDT is primarily used in switching power supplies, battery chargers, and adaptors. It is ideal for applications requiring precise voltage and current regulation, such as in consumer electronics, industrial power supplies, and automotive systems.
Q & A
- What is the primary function of the TSM101IDT IC?
The primary function of the TSM101IDT IC is to control and monitor the voltage and current levels in switching power supplies. - What is the nominal reference voltage of the TSM101IDT?
The nominal reference voltage is 1.24 V. - What is the supply voltage range for the TSM101IDT?
The supply voltage range is from 4.5 to 32 V. - What types of packages are available for the TSM101IDT?
The TSM101IDT is available in SO8, DIP8, and TSSOP8 packages. - What is the precision of the voltage reference?
The precision of the voltage reference is 1%. - Does the TSM101IDT have built-in operational amplifiers?
Yes, it has two ORed operational amplifiers with a 1 MHz gain bandwidth product. - What is the operating temperature range for the TSM101IDT?
The operating temperature range is from -40°C to 125°C. - Is the TSM101IDT RoHS compliant?
Yes, it is RoHS compliant with an Ecopack3 rating. - What are some common applications of the TSM101IDT?
Common applications include switching power supplies, battery chargers, and adaptors. - Does the TSM101IDT have a built-in current generator?
Yes, it has a built-in current generator with an enable/disable function.
