lx1911 Microsemi Corporation, lx1911 Datasheet - Page 3

• Manufacturer Part Number: lx1911
• Description: 1.5a, 1.1mhz Pwm Step-down Regulator
• Manufacturer: Microsemi Corporation

Copyright © 2004
Rev. 1.1, 2006-05-15
TM
VIN
V
IN
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Clock and
Ramp
C
IN
S I M P L I F I E D B L O C K D I A G R A M
Inductor
Figure 3 – PCB Layout Considerations
Figure 2 – LX1911 Block Diagram
CL
GND
Integrated Products Division
LX1911
VIN PWR
VIN
ANALOG
N.C.
®
Microsemi
PWM
GND
SW
FB
EA
1.5A, 1.1MH
BG Ref
800mV
S
R
Diode
P
Rf
RODUCTION
Z
PWM Step-Down Regulator
FB
GROUND
D
ATA
C
C
C
C
OUT
OUT
OUT
OUT
S
V
HEET
OUT
SW
LX1911
Page 3