Description
Application Note: SY7065/SY7065A 1.8V Minimum Input and 5.5V Maximum Output 5A Peak Current Synchronous Boost with Output Disconnect General Descrip.
The SY7065/SY7065A is a high efficiency synchronous Boost regulator that converts down to 1.
Features
* 1.8V Minimum Input Voltage
* Adjustable Output Voltage from 2.5V to 5.5V
* 5A Peak Current Limit
* Input Under Voltage Lockout
* Load Disconnect during Shutdown
* Output Over Voltage Protection
* Input Battery Voltage Monitor
* Automatic Output Discharge at Shutdown
Applications
* All Single-cell Li or Dual-cell Battery Operated Products as MP-3 Player, PDAs, and Other Portable Equipment
Typical Applications
VIN:1.8V~5.0V
C1 22uF
C2 22uF
R5 100kΩ
LBO
IN
SVOUT
C6
C8
1uF
4.7uF
R3 300kΩ
L1
LX PVOUT
1.5uH
LBI
R4
FB
50kΩ
EN PGND SGND
R1 470kΩ R2 148.4kΩ