nx4108 Microsemi Corporation, nx4108 Datasheet - Page 8

• Manufacturer Part Number: nx4108
• Description: 1a Synchronous Buck Switcher With Fet On Board
• Manufacturer: Microsemi Corporation

Rev. 1.7
12/30/09
Typical Application( VOUT=1.2V)
Figure 14 - Output ripple
Figure 16 - Startup
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
1
5
Figure 13 - Demo board schematic
FB
EN
Analog Mixed Signal Group
GND
Microsemi
VIN
SW
3
2
4
2.2uH
22uF(X5R,6.3V)
Figure 15 - Transient response
Figure 17 - Shutdown
10uF
(X5R,
6.3V)
332k
332k
Vout=1.2V
VIN=5V
NX4108
8