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 Ni MH battery powered applications. It can convert down to 1.8V input voltage. It adopts NMOS for the main switch and PMOS for the synchronous switch.
The SY20419 can disconnect the output from input during the shutdown mode. When input voltage exceeds the regulated output voltage, the SY20419 enters bypass mode automatically.
Ordering Information
- (-
- )- Temperature Code Package Code Optional Spec Code
Ordering Number Package type
Note
SY20419SUD DFN2×1.5-6
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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
- Ro HS pliant and Halogen Free
- Auto Bypass Mode When VIN ≥VOUT
- pact Package DFN2×1.5-6
Applicat...
