• Part: SY20419
  • Description: High Efficiency 1A Valley Current Synchronous Boost
  • Manufacturer: Silergy
  • Size: 1.05 MB
SY20419 Datasheet (PDF) Download
Silergy
SY20419

Description

The SY20419 is a high efficient, 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 1.8V input voltage.

Key Features

  • 1.8V Minimum Input Voltage
  • Adjustable Output Voltage from 1.8V to 5.5V
  • Min 1A Valley Current Limit
  • CCM Only Operation
  • Load Disconnect During Shutdown
  • Low RDS(ON) (Main Switch/Synchronous Switch) at 3.3V Output: 70/125mΩ
  • Output OVP
  • RoHS Compliant and Halogen Free
  • Auto Bypass Mode When VIN ≥VOUT
  • Compact Package DFN2×1.5-6