LX1676CPW View Datasheet(PDF) - Microsemi Corporation
Part Name
Description
View to exact match
LX1676CPW Datasheet PDF : 16 Pages
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TM
FB -
FB +
DACOUT
VID0
VID1
VID2
VID3
VID4
PWGD
VIN
ROSC
VCC
GND
LX1676
®
Mobile AMD Athlon™ VRM Controller
PRODUCTION DATA SHEET
SIMPLIFIED BLOCK DIAGRAM
DFOUT EA1 -
EO1
VCCL
Diff Amp
-
Phase 1
Error Amp
-
0°
-
50µA
DAC
DACOUT
- 30mV
DACOUT
0.85
2.35
Band-
gap
VCC
VIN
PGOOD
_
UV
+
_
OV
+
UVLO
POR
ILIM
SRS
Fault
S
SS
-
180°
gm
PGOOD
DACOUT
AMP
FRQ
OSC
VIN
0°
180°
PGN VS3
35mV
+ offset
_ 35mV
offset
ILIM
ILIM
IMAX
+
_
_IMIN
+
VCCL
ENA
I-MAX
SQ
R
I-MIN
I-MIN
RQ
S
I-MAX
Phase 2
Integrating
- Amp
100K
90K
90K
Phase 2
Differential
Amp
-
90K
90K
Bandgap
VC1
HO1
VS1
LO1
PGN
VC2
HO2
VS2
LO2
EO2
EA2 -
LP1
LP2
ILIM3 ILIM1
PGN3 I-Min VS3 I-Max VC3
ENA
Copyright © 2000
Revision: 1.0, 4/12/2005
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 7
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