AX3121 Overview
AX3121 consists of step-down switching regulator with synchronous PWM converter. These devise include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and NMOS etc. AX3121 provides low-ripple power, high efficiency, and excellent transient characteristics.
AX3121 Key Features
- Input voltage：4.5V to 23V Output voltage：VFB to VCC Duty ratio：0% to 100% PWM control Oscillation frequency：250KHz typ
- Switched Control Circuit