Datasheet

LTC4306
5
4306f
Rise Time vs C
BUS
vs V
CC
Buffer Circuitry t
PHL
vs Temperature
I
CC
vs Temperature
V
OS,UP-BUF
vs Bus Pull-Up Current
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (°C)
–50
t
PHL
(ns)
80
100
120
25 75
4306 G01
60
40
–25 0
50 100 125
20
0
V
CC
= 3.3V
V
CC
= 5V
CAPACITANCE, C
BUS
(pF)
0
RISE TIME (ns)
150
200
250
800
4306 G02
100
50
0
200
400
600
1000
V
CC
= 3.3V
V
CC
= 5V
dV = 0.3V • V
CC
TO 0.7V • V
CC
R
BUS
= 10k
TEMPERATURE (°C)
–50
CURRENT (mA)
4
5
6
25 75
4306 G03
3
2
–25 0
50 100 125
1
0
V
CC
= 3.3V
V
CC
= 5V
UPSTREAM CONNECTED TO CHANNEL 1,
SCL BUS LOW, SDA BUS HIGH
BUS PULL-UP CURRENT (mA)
10
V
OS
(mV)
100
120
140
4306 G04
80
60
0
2
3
4
40
20
180
160
V
CC
= 3.3V
V
CC
= 5V
V
OS,DOWN-BUF
vs Bus Pull-Up Current
BUS PULL-UP CURRENT (mA)
0
0
V
OS
(mV)
50
100
150
200
250
300
12 34
4306 G05
V
CC
= 3.3V
V
CC
= 5V
Downstream R
FET
On Resistance
vs V
CC
and Temperature
TEMPERATURE (°C)
–50
0
R
ON
(Ω)
5
15
20
25
50
45
4306 G06
10
0
–25
75 100
25 125
30
35
40
V
CC
= 3.3V
V
CC
= 5V
(T
A
= 25°C, unless otherwise indicated)
I
BOOST
vs Temperature
TEMPERATURE (°C)
–50
8
10
14
25 75
4306 G07
6
4
–25 0
50 100 125
2
0
12
I
BOOST
(mA)
V
CC
= 5V
V
CC
= 3.3V