SY20489
Description
SY20489 is a high efficiency, synchronous, step-up Boost converter designed for one-cell Li-Ion or Lipolymer, or a two to three-cell alkaline Ni-Cd or NiMH battery powered applications. It can convert down to 2.5V input voltage and up to 5.5V output voltage.
Key Features
- 2.5V Minimum Input Voltage
- Adjustable Output Voltage from 2.5V to 5.5V
- Min 3A Valley Current Limit
- Capable for Seamless Transition between Boost and Bypass Mode
- Load Disconnect during Shutdown
- Low RDS(ON) (Main Switch/Synchronous Switch) at 5.0V Output: 50mΩ/90mΩ
- Output OVP Protection
- Compact Package TSOT23-6