Description

The SC1105CS is a versatile, low-cost, voltage-mode PWM controller designed for 12V input DC/DC power supply applications. It is a simple, fixed-voltage buck regulator that can be implemented with a minimum of external components. The SC1105CS features internal level shift and drive circuitry, eliminating the need for an expensive p-channel, high-side switch. Its small device footprint allows for compact circuit design.

Specifications and features

- Low cost / small size

- Switch mode efficiency up to 95%

- 1% reference voltage accuracy

- Over current protection

- 500mA output drive

- 5V to 12V Input power source

- Lead-free package available. Fully WEEE and RoHS compliant

Application Scenarios

The SC1105CS can be used in various applications that require a 12V input DC/DC power supply. It is suitable for designs where cost, size, efficiency, and voltage accuracy are critical factors. Its over current protection feature ensures the safety and reliability of the power supply system.

Comparison

- Versatile and low-cost PWM controller

- Small device footprint allowing for compact circuit design

- Internal level shift and drive circuitry eliminating the need for an expensive p-channel, high-side switch

- Limited output drive capacity (500mA)