Professional IC Distribution & Technical Solutions

The TSM101C is a monolithic integrated circuit manufactured by STMicroelectronics (ST). It is designed for switch-mode power supply (SMPS) applications, combining a voltage reference, error amplifier, and current sensing comparator in a single package.

Specifications:

• Manufacturer: STMicroelectronics (ST)
• Package: SO-8
• Operating Voltage Range: 4.5V to 36V
• Reference Voltage: 2.5V (±1% accuracy)
• Error Amplifier:
• Open-loop gain: 80dB (typical)
• Bandwidth: 1MHz (typical)
• Current Sensing Comparator:
• Response time: 300ns (typical)
• Threshold voltage: Adjustable
• Operating Temperature Range: -40°C to +125°C
• Applications: SMPS, battery chargers, DC-DC converters, LED drivers

Descriptions:

The TSM101C integrates essential control functions for power supply regulation, including a precision voltage reference, an error amplifier for feedback control, and a fast current comparator for overcurrent protection. It simplifies the design of switching power supplies by reducing external component count.

Features:

• Integrated Voltage Reference: 2.5V with high accuracy (±1%)
• High-Gain Error Amplifier: Ensures precise voltage regulation
• Fast Current Comparator: Enables quick overcurrent protection
• Wide Supply Voltage Range: Supports various power supply designs
• Low Standby Current: Enhances efficiency in standby mode
• SO-8 Package: Compact and suitable for space-constrained applications

This IC is commonly used in power management systems requiring reliable voltage regulation and current monitoring.