AX2003A Overview
Description
AX2003/A consists of step-down switching regulator with PWM control. These devise include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc.
Key Features
- Input voltage：3.6V to 23V
- Output voltage：0.25V to Vcc
- LED Backlight and High Power LED Application
- Duty ratio：0% to 100% PWM control
- Oscillation frequency： AX2003 : 330KHz typ. AX2003A: 500KHz typ
- Enable/Disable function
- Current Limit (CL), Thermal Shutdown and Short Circuit Protections (SCP)
- Built-in internal SW P-channel MOS
- Low ESR output capacitor (Multi-layer chip capacitor (MLCC)) application
