sc473mltrt Semtech Corporation, sc473mltrt Datasheet - Page 4

• Manufacturer Part Number: sc473mltrt
• Description: Sc473 Single-phase Single Chip Graphics Core Power Supply
• Manufacturer: Semtech Corporation

© 2006 Semtech Corp.
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Logic Inputs (EN, VID [4:0])
Enable Threshold
VID [4:0] Threshold
Input Impedance
Reference (DAC, SS, VREF), (0 < T
DAC Error +
Internal Offset
DAC Sink/Source Ability
SS Slew Current
SS Discharge Threshold
VREF Accuracy
VREF Sink/Source Ability
Remote Sense (FB+, FB-)
Bandwidth
Error Amplifi er (ERROUT)
Gain
Bandwidth
Current Sensing (CS+, CS-)
CS+, CS- Input Bias Current
Maximum Input Signal
Zero-Crosssing Detector
Threshold Powersave
Parameter
(1)
(1)
J
<85°C)
Start-up and Operating
Discharge (SS = 0.5V)
0.3V < DAC < 1.5V
CS+ = CS- = 1.5V
0.475 - 0.375V
0.825V - 0.5V
1.15 - 0.85V
Condition
4
-0.85
0.45
1.97
|1.5|
Min
|50|
102
-14
0.8
15
50
-7
-6
2
2
2.00
Typ
120
40
50
19
+0.85
Max
0.55
2.03
138
400
2.0
14
7
1
6
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SC473
Units
MHz
MHz
mV
mV
mV
mV
mV
mA
mA
kΩ
μA
μA
μA
%
V
V
V