LX1676-CLQ MICROSEMI [Microsemi Corporation], LX1676-CLQ Datasheet - Page 14

• Manufacturer Part Number: LX1676-CLQ
• Description: Mobile AMD AthlonTM VRM Controller
• Manufacturer: MICROSEMI [Microsemi Corporation]

Copyright © 2000
Revision: 0.4b, 9/14/2004
S
DACOUT pin and will be charged, or discharged, at a
linear rate by the internal 50uA bi-directional current source
after the UVLO circuit has been satisfied. Whenever the
VID code is changed during normal operation the soft-start
capacitor will determine the rate of change at the output.
OFT
An external soft-start capacitor is connected to the
-S
TART
I N T E G R A T E D
C
APACITOR
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
P R O D U C T S
A P P L I C A T I O N N O T E ( C O N T I N U E D )
Integrated Products Division
Microsemi
P
The DAC inputs are the Voltage Identification (VID) 0-4
lines, the VID table lists the available output voltages for
the corresponding VID codes.
voltage and only the steps listed are available.
Mobile AMD Athlon™ VRM Controller
ROGRAMMING
Output voltage is determined by the internal 5 bit DAC.
There are no external resistor dividers to program output
P
RELIMINARY
T
HE
O
UTPUT
D
ATA
V
OLTAGE
S
HEET
LX1676
Page 14