SY20212B
Description
SY20212B is a high efficiency 1.8MHz synchronous step down DC/DC regulator IC capable of delivering up to 4A output current. It can operate over a wide input voltage range from 2.6V to 5.5V and integrates main switch and synchronous switch with very low RDS (ON) to minimize the conduction loss.
Key Features
- 2.6V to 5.5V input voltage range
- Fixed frequency operation: 1.8MHz
- Low RDS(ON) for internal switches (top/bottom): 70mΩ/40mΩ
- Programmable Output Voltage: 0.7625V to
- 55V in 12.5mV/step
- Default 1.15V output voltage
- 4A output current capability
- Capable for 0.33µH inductor and 22µF Ceramic Capacitor
- PFM/PWM operation for optimum increased efficiency
- OVP/OCP/UVLO/OTP protections
