Silergy SY20466B
The SY20466B is a high efficiency synchronous Boost regulator that converts down to 1.8V input and up to 5.5V output voltage. It adopts NMOS for the main switch and PMOS for the synchronous switch. It can disconnect the output from input during the shutdown mode.| Part No. | SY20466B |
|---|---|
| Datasheet | SY20466B Download |
| Manufacturer |  Silergy |
| Description | 6A Peak Current Synchronous Boost |
| Buy | Stock & Price |
GENERAL DESCRIPTION
Ordering Information SY20466□(□□)□ Tempera ture Code Pa cka ge Code Optional Spec Code Ordering Number Package type Note SY20466BQMC QFN2×2-10 ----FEATURES
● 1.8V Minimum Input Voltage● Adjustable Output Voltage from 2.5V to 5. 5V
● 6A Peak Current Limit
● Input Under Voltage Lockout
● Load Disconnect During Shutdown
● Selectable Forced PWM Mode Operation
● Output Over Voltage Protection
● Low RDS(ON) (Main Switch/Synchronous Switch) at 5.0V output: 20/40mΩ
● Compact Package: QFN2×2-10
APPLICATIONS
● All Single Cell Li or Dual Cell Battery Operated Products as MP-3 Player, PDAs, and Other Portable Equipment TypicalAPPLICATIONS
VIN:1.8V~5.0V C6 1uF C1 22uF C2 22uF R4 1MΩ L1 1.5uH R5 1MΩ IN SVOUT C8 1uF LX MODE PVOUT FB R1 470kΩ R2 EN PGND SGND 148.4kΩ R3 0Ω VOUT=5V C3 22uF C10 22pF C9 100uF Figure 1. Schematic Diagram Efficiency (%) 100 98 96 94 92 90 88 86 84 0.0 Efficiency vs. Load Current VIN=2.0V,VOUT=5.0V VIN=3.3V,VOUT=5.0V VIN=4.2V,VOUT=5.0V 1.0 2.0 3.0 4.0 5.0 Load Current (A) Figure 2.
