This document is the datasheet of TL1451A. It provides detailed information about the features and characteristics of TL1451A, including internal structure, working principle and application scenarios.
The TL1451A is a monolithic integrated circuit designed primarily for power-supply control. It incorporates all functions required for constructing two pulse-width-modulation (PWM) control circuits on a single chip. Key features include an on-chip 2.5-V reference regulator, two error amplifiers, an adjustable oscillator, and dual common-emitter output transistor circuits.
| Oscillator frequency | 500 kHz Max |
|---|---|
| Collector output current | 20 mA |
| Operating temperature (Q suffix) | -40°C to 125°C |
| Operating temperature (M suffix) | -55°C to 125°C |
The maximum oscillator frequency is 500 kHz.
Yes, it includes internal undervoltage lockout and short-circuit protection.