SC488ML View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC488ML Datasheet PDF : 24 Pages
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SC488
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Conditions
VDDQ Fault Protection (continued)
Under-Voltage Fault Delay
Under-Voltage Blank Time
Output Over-Voltage Fault
Over-Voltage Fault Delay
PGD Low Output Voltage
PGD Leakage Current
PGD UV Threshold
PGD Fault Delay
VCCA Under-Voltage (UVLO)
VTT Fault Protection
UV Lower Threshold
OV Upper Threshold
Fault Shutdown Delay
Thermal Shutdown(4)(5)
Inputs/Outputs
Logic Input Low Voltage
FB Forced Below UV VTH
From EN High
With Respect to FB Regulation Point
FB Above Over-Voltage Threshold
Sink 1mA
FB in Regulation, PGD = 5V
With Respect to FB Regulation Point
FB Forced Outside PGD Window
Falling Edge (Hysteresis 100 mV)
VTT w/rt REF
VTT w/rt REF
VTT Outside OV/UV Window
EN/PSV Low/Low (Disabled)
VTTEN Low (VTT Disabled)
Logic Input High Voltage
Logic Input High Voltage
EN/PSV Input Resistance
VTTEN Leakage Current
Soft-Start
VDDQ Soft-Start Ramp Time
VTT Soft-Start Ramp Rate(6)
FB Input Thresholds
FB Logic Input Low
EN/PSV Low/High
(Enabled, Psave Disabled)
VTTEN High (VTT Enabled)
EN/PSV High/High
(Enabled, Psave Enabled)
Sourcing
Sinking
EN/PSV High to PGD High
VDDQ Set for 2.5V (DDR1)
FB Logic Input High
VDDQ Set for 1.8V (DDR2)
25°C
Min
Typ
Max
8
440
+16
5
-10
5
4
-12
+12
50
160
1.5
1.0
440
5.5
0.3
VCCA
- 0.7
-40°C to 85°C
Min
Max
Units
+12
-12
3.70
+20
0.1
1
-8
4.35
clks(3)
clks(3)
%
μs
V
μA
%
μs
V
-16
-8
%
+8
+16
%
μs
150
170
°C
1.2
V
0.6
1.2
2.4
V
2.4
3.1
V
MΩ
-1
+1
μA
clks(3)
mV/μs
V
V
© 2006 Semtech Corp.
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