Texas Instruments 20-Pin PDIP 4-Channel PWM Controller 300 kHz 125V Through Hole UC3879N

Texas Instruments UC3879N is a 20-pin PDIP 4-channel Pulse Width Modulation (PWM) Controller designed for power management applications requiring switching frequencies up to 300 kHz. This device operates on a supply current of 4mA and provides an output voltage of 5.2V along with an output current rating of 100mA, making it ideal for precise PWM control tasks. It features a through-hole mount for ease of integration on printed circuit boards in industrial setups.

The PWM controller supports a maximum duty cycle of 100%, enabling full modulation range critical for power supply regulation and other control circuits. The device can operate reliably within an ambient temperature range of 0°C to 70°C, suitable for many commercial and industrial electronics uses.

Engineered with phase shift resonant controller type technology, the UC3879N provides accurate and efficient PWM control. Its compact PDIP package measures 24.33mm in length, 6.35mm in width, and 4.57mm in height, allowing for space-efficient integration. This model does not hold automotive certifications or standards but is well-suited for a broad spectrum of PWM power management applications.

This PWM controller from Texas Instruments finds extensive applications in industrial machines, power supplies, laboratory instruments, HVAC systems, and manufacturing equipment requiring controlled switching and modulation. It is applicable in scenarios demanding durable and precise electronic power control without the need for automotive grade compliances.

Operates at a maximum switching frequency of 300 kHz for high-speed PWM applications. Energy-efficient 4mA supply current reduces overall system power consumption. Four output channels enable multi-load control in compact design.

Reliable through-hole mounting package simplifies PCB assembly. Phase shift resonant control type enhances modulation accuracy. Wide operating temperature range suits diverse industrial environments. Compact physical dimensions support integration in space-constrained designs.

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