Datasheet

LTC3677-3
6
36773f
elecTrical characTerisTics
I
2
C Interface. The l denotes the specifications which apply over the full
operating junction temperature range, otherwise specifications are at T
J
= 25°C. DV
CC
= 3.3V, V
OUT
= 3.8V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
DV
CC
Input Supply Voltage 1.6 5.5 V
I
DVCC
DV
CC
Supply Current SCL = 400kHz
SCL = SDA = 0kHz
10
1
µA
µA
V
DVCC,UVLO
DV
CC
UVLO 1.0 V
V
IH
Input High Voltage 50 70 %DV
CC
V
IL
Input Low Voltage 30 50 %DV
CC
I
IH
Input High Leakage Current SDA = SCL = DV
CC
= 5.5V –1 1 µA
I
IL
Input Low Leakage Current SDA = SCL = 0V, DV
CC
= 5.5V –1 1 µA
V
OL
SDA Output Low Voltage I
SDA
= 3mA 0.4 V
Timing Characteristics (Note 8) (All Values Are Referenced to V
IH
and V
IL
)
f
SCL
SCL Clock Frequency 400 kHz
t
LOW
Low Period of the SCL Clock 1.3 µs
t
HIGH
High Period of the SCL Clock 0.6 µs
t
BUF
Bus Free Time Between Stop and Start Condition 1.3 µs
t
HD,STA
Hold Time After (Repeated) Start Condition 0.6 µs
t
SU,STA
Set-Up Time for a Repeated Start Condition 0.6 µs
t
SU,STO
Stop Condition Set-Up Time 0.6 µs
t
HD,DATO
Output Data Hold Time 0 900 ns
t
HD,DATI
Input Data Hold Time 0 ns
t
SU,DAT
Data Set-Up Time 100 ns
t
SP
Input Spike Suppression Pulse Width 50 ns