SC401B View Datasheet(PDF) - Semtech Corporation
Part Name
Description
Manufacturer
SC401B Datasheet PDF : 32 Pages
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SC401B
Electrical Characteristics (continued)
Parameter
Conditions
Power Good (continued)
Power Good start-up Delay Threshold on SS pin
SS voltage when PGOOD goes high
Fault (noise immunity) Delay Time(2)
Leakage
Power Good On-Resistance
Fault Protection
Valley Current Limit (3)
ILIM Source Current
ILIM Comparator Offset
Output Under-Voltage Fault
Smart Power Save Protection Threshold (2)
Over-Voltage Protection Threshold
Over-Voltage Fault Delay(2)
VDD = 5V, RILIM = 7150 , TJ = 0 to +125 °C
VDD = 3.3V, RILIM = 7150
With respect to AGND
VFB with respect to internal 600mV reference,
8 consecutive clocks
VFB with respect to internal 600mV reference
VFB with respect to internal 600mV reference
Over-Temperature Shutdown(2)
10°C hysteresis
Logic Inputs/Outputs
Logic Input High Voltage
ENL
Logic Input Low Voltage
ENL
EN/PSV Input for PSAVE Operation (2)
VDD = 5V
EN/PSV Input for Forced Continuous Operation (2)
EN/PSV Input for Disabling Switcher
EN/PSV Input Bias Current
EN/PSV= VDD or AGND
ENL Input Bias Current
FBL, FB Input Bias Current
ENL = VIN = 20V
FBL, FB = VDD or AGND
Min Typ Max Units
64
%VDD
5
µs
1
µA
10
Ω
13.5
15
16.5
A
13.5
A
10
μA
-10
0
+10 mV
-25
%
+10
%
+20
%
5
μs
150
°C
1.0
V
0.4
V
2.2
5
V
1
2
V
0
0.4
V
-10
+10
μA
10
18
μA
-1
+1
μA
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