Datasheet

LTC4415
5
4415fa
Typical perForMance characTerisTics
Current Limit vs Output Voltage
Quiescent Current
vs Output Current
Current Monitor Ratio
vs I
OUT
Short-Circuit Current
vs Temperature
Current Monitor Ratio
vs Temperature
Reverse Leakage Current
vs Temperature Quiescent Current vs Temperature Quiescent Current vs V
IN
T
A
= 25°C, V
IN1
= V
IN2
= 3.6V, R
CLIM
= 250Ω unless otherwise noted.
TEMPERATURE (°C)
–50
10p
I
LEAK(IN)
(A)
100p
1n
10n
100n
0 50
100
150
4415 G04
1µ
10µ
–25 25
75
125
V
IN
= 0V
V
OUT
= 5.5V
V
OUT
= 3.6V
TEMPERATURE (°C)
–50
QUIESCENT CURRENT (µA)
60
80
100
25 75 150
4415 G05
40
20
0
–25 0
50
100
BOTH DIODES ON
BOTH DIODES OFF (I
QOFF
)
ONE DIODE ON (I
QF
)
125
INPUT VOLTAGE (V)
1
QUIESCENT CURRENT (µA)
60
80
100
5
4415 G06
40
20
0
2
3
4
6
BOTH DIODES ON
BOTH DIODES OFF (I
QOFF
)
ONE DIODE ON (I
QF
)
OUTPUT CURRENT (A)
10
I
QF
(µA)
60
80
100
5
4415 G07
40
20
0
2
3
4
R
CLIM
= 124Ω
CURRENT LIMIT
OUTPUT VOLTAGE (V)
0
4
5
7
3
4415 G08
3
2
1 2 4
1
0
6
CURRENT LIMIT (A)
V
IN
= 3.6V
R
CLIM
= 0Ω
R
CLIM
= 124Ω
R
CLIM
= 249Ω
R
CLIM
= 1000Ω
TEMPERATURE (°C)
–50
SHORT-CIRCUIT CURRENT (A)
4
5
6
25
4415 G09
3
2
–25 0 15050 75 100 125
1
0
7
V
OUT
= 0V
R
CLIM
= 0Ω
R
CLIM
= 124Ω
R
CLIM
= 249Ω
R
CLIM
= 1000Ω
TEMPERATURE (°C)
–50
0.70
I
CLIM
/I
OUT
(mA/A)
0.80
0.90
1.00
1.20
1.10
1.30
–25 0 25 50
4415 G10
75 100 125 150
I
OUT
= 2A
R
CLIM
= 124Ω
DEVICE 2
DEVICE 1 (HIGH RATIO)
DEVICE 3 (LOW RATIO)
OUTPUT CURRENT (A)
0
I
CLIM
/I
OUT
(mA/A)
0.90
1.10
1.00
4
4415 G11
0.80
0.70
1
2
3
1.30
1.20
DEVICE 1 (HIGH RATIO)
DEVICE 3 (LOW RATIO)
DEVICE 2
R
CLIM
= 124Ω