Datasheet

LTC4099
5
4099fd
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
NTC
V
TOO_COLD
Cold Temperature Fault Threshold Voltage Rising Threshold
Hysteresis
72.3 73.8
3.6
75.3 %NTCBIAS
%NTCBIAS
V
TOO_WARM
Hot Temperature Fault Threshold Voltage Falling Threshold
Hysteresis
31.3 32.6
3.3
33.9 %NTCBIAS
%NTCBIAS
V
OVERTEMP
Critically High Temperature Fault
Threshold Voltage
Falling Threshold
Hysteresis
21.9 22.8
50
23.7 %NTCBIAS
mV
I
NTC
NTC Leakage Current NTC = NTCBIAS –50 50 nA
Ideal Diode
V
FWD
Forward Voltage I
VOUT
= 10mA 15 mV
R
DROPOUT
Internal Diode On-Resistance, Dropout I
VOUT
= 200mA 0.18
Ω
I
MAX
Diode Current Limit 2 A
I
2
C Port
DV
CC
I
2
C Logic Reference 1.6 5.5 V
I
DVCCQ
DV
CC
Current SCL/SDA = 0kHz 0.2 µA
V
DVCC_UVLO
DV
CC
UVLO 1 V
ADDRESS I
2
C Address
0001001
R
W
V
IRQ
IRQ Pin Output Low Voltage I
IRQ
= 5mA 65 100 mV
I
IRQ
IRQ Pin Leakage Current V
IRQ
= 5V 0 1 µA
V
IH
, SDA, SCL Input High Threshold 0.7 •
DV
CC
V
V
IL
, SDA, SCL Input Low Threshold 0.3 •
DV
CC
V
I
IH
, SDA, SCL Input Leakage High SDA, SCL = DV
CC
–1 1 µA
I
IL
, SDA, SCL Input Leakage Low SDA, SCL = 0V –1 1 µA
V
OL
Digital Output Low (SDA) I
SDA
= 3mA 0.4 V
f
SCL
Clock Operating Frequency 400 kHz
t
BUF
Bus Free Time Between Stop and Start
Condition
1.3 µs
t
HD_SDA
Hold Time After (Repeated) Start
Condition
0.6 µs
t
SU_SDA
Repeated Start Condition Set-Up Time 0.6 µs
t
SU_STO
Stop Condition Time 0.6 µs
t
HD_DAT(OUT)
Data Hold Time 0 900 ns
t
HD_DAT(IN)
Input Data Hold Time 0 ns
t
SU_DAT
Data Set-Up Time 100 ns
t
LOW
Clock Low Period 1.3 µs
t
HIGH
Clock High Period 0.6 µs
t
SP
Spike Suppression Time 50 ns
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating temp-
erature range, otherwise specifications are at T
A
= 25°C. V
BUS
= 5V, BAT = 3.8V, DV
CC
= 3.3V, R
PROG
= 1.02k, R
CLPROG
= 3.01k, unless
otherwise noted.