SLLSFR9A April 2024 – April 2024 THVD4411
PRODUCTION DATA
THVD4411 has a integrated high-efficiency and low-noise charge pump to generate large output voltages for RS-232 signals. Charge pump consists of a voltage doubler and an inverter to regulate the voltage to ± 6V or ± 10V for 3.3V or 5V VCC operation respectively. Charge pump needs four external ceramic capacitors and allows for single supply operation for RS-232. For a generic description of RS-232 charge pump operation, please refer to the blog: How the RS-232 Transceiver’s Regulated Charge-pump Circuitry Works