SY20489B
Description
The SY20489B is a high efficiency, synchronous step-up boost converter designed for single-cell lithium (Li-ion or Li-polymer) or two-cell to three-cell nickel (alkaline Ni-Cd or Ni-MH) battery-powered applications. It can operate down to 2.5V input and up to 5.5V output voltage.
Key Features
- 2.5V Minimum Input Voltage
- Adjustable Output Voltage from 2.5V to
- Minimum 3A Valley Current Limit
- Capable of Seamless Transition between Boost and Bypass Mode
- Load Disconnect During Shutdown
- Low RDS(ON) at 5.0V Output: 50mΩ Main, 90mΩ Synchronous
- Output Overvoltage Protection (OVP)
- RoHS-Compliant and Halogen-Free
- Compact Package: TSOT23-6
