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SC493 Datasheet(PDF) 5 Page - Semtech Corporation

Part # SC493
Description  EcoSpeedTM Step-down Controller with I2C Interface
PDF  28 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC493 Datasheet(HTML) 5 Page - Semtech Corporation

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SC493
5
Electrical Characteristics (continued)
Parameter
Symbol
Condition
Min
Typ
Max
Units
Digital Input Electrical Specifications (A0, A1, A2, EN)
Input High Threshold
V
IH
V
VDD(1) = 5.5V
1.6
V
Input Low Threshold
V
IL
V
VDD(1) = 3.0V
0.4
V
Input High Current
I
IH
V
VDD(1) = 5.5V
-1
+1
μA
Input Low Current
I
IL
V
VDD(1) = 5.5V
-1
+1
μA
I2C Interface
Interface complies with slave mode I2C interface as described by Philips I2C specifications version 2.1 dated January, 2000
Digital Input Voltage Low
V
B-IL
0.4
V
Digital Input Voltage High
V
B-IH
1.6
V
SDA Output Low Level
V
SDA_LOW
I
DN(SDA) ≤ 3mA
0.4
V
Digital Input Current
I
B-IN
-0.2
+0.2
μA
Hysteresis of Schmitt Trigger Inputs
V
HYS
0.1
V
Maximum Glitch Pulse
Rejection
t
SP
50
ns
I/O Pin Capacitance
C
IN
10
pF
I2C Timing
Clock Frequency
f
SCL
400
440
kHz
SCL Low Period (2)
t
LOW
1300
ns
SCL High Period (2)
t
HIGH
600
ns
Data Hold Time (2)
t
HD_DAT
0
ns
Data Setup Time (2)
t
SU_DAT
100
ns
Setup Time for Repeated START
Condition (2)
t
SU_STA
600
ns
Hold Time for Repeated START
Condition (2)
t
HD_STA
600
ns
Setup Time for STOP Condition (2)
t
SU_STO
600
ns
Bus-Free Time Between STOP and START
(2)
t
BUF
1300
ns



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