The TL594 is a pulse-width modulation control circuit produced by Unisonic Technologies Co., Ltd. It is compatible with TL494 and has an output current of up to 200mA. It can be single-ended or push-pull output, and has internal reference power, variable dead time, undervoltage lockout and other functions.
The UTC TL594 is a linear integrated circuit designed as a pulse-width-modulation (PWM) control circuit. It incorporates all necessary functions for PWM applications and is pin-compatible with the TL494 while offering upgraded performance.
The device features selectable single-ended or push-pull output operations, an internal 5V reference supply within 1% tolerance, and undervoltage lockout protection. The datasheet provides absolute maximum ratings, recommended operating conditions, detailed electrical characteristics, functional block diagrams, typical application circuits for both push-pull and single-ended modes, and switching characteristics.
| Output Sink/Source Current | 200 mA |
|---|---|
| Internal Reference Voltage | 5V within 1% tolerance |
| Operating Junction Temperature | +150 °C |
Yes, it is pin compatible with the TL494.
The device is available in DIP-16, SOP-16, and TSSOP-16 packages.
The recommended operating free-air temperature range is from -40 to +85 °C.