sc473mltrt Semtech Corporation, sc473mltrt Datasheet - Page 9
sc473mltrt
Manufacturer Part Number
sc473mltrt
Description
Sc473 Single-phase Single Chip Graphics Core Power Supply
Manufacturer
Semtech Corporation
Datasheet
1.SC473MLTRT.pdf
(18 pages)
- Current page: 9 of 18
- Download datasheet (475Kb)
© 2006 Semtech Corp.
POWER MANAGEMENT
Block Diagram
CLSET
HYS
EN
[4:0]
CS+
VID
SS
FB-
FB+
CS-
-
CURRENT SENSE AMP
EN
DAC
CL_hi
CL_lo
+
-
HYS_hi
HYS_lo
CS
FILTER
-
+
CS
LP
CO
+
-
+
-
DRIVERS
ERROR AMP
+
-
CO
I - limit
SC473
CS
9
CONDUCTION
CROSS
PROTECTION
VID [4:0]
CROSSING
DAC
ZERO
EN
+
-
HYSTERETIC COMPARATOR
REFERENCE
START UP
PWRGD
LOGIC
CO
UVLO
TIME
3ms
&
I - limit
Hys_lo
Hys_hi
+
-
VREF
ERROUT
BST
TG
PGND
PWRGD
DRN
V5
BG
www.semtech.com
SC473
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