Datasheet

LTC4222
6
4222fb
TYPICAL PERFORMANCE CHARACTERISTICS
I
DD1
vs V
DD1
I
DD2
vs V
DD2
INTV
CC
vs V
DD2
INTV
CC
vs I
LOAD
V
TH(UV)
vs Temperature
V
HYST(UV)
vs Temperature
T
A
= 25°C. V
DDn
= 12V unless otherwise noted.
V
DD1
(V)
0
I
DD1
(mA)
1.0
0.8
0.6
0.9
0.7
0.5
0.4
2010
4222 G01
30155 25
V
DD2
(V)
0
I
DD2
(mA)
4.0
3.0
3.5
2.5
2.0
2010
4222 G02
30155 25
V
DD2
(V)
2.5
INTV
CC
(V)
4.03.0
4222 G03
5.03.5 4.5
3.4
3.2
3.0
3.3
3.1
2.9
2.8
I
LOAD
(mA)
0
INTV
CC
(V)
7.52.5
4222 G04
15.05.0 10.0 12.5
3.50
3.00
3.25
2.75
2.50
V
DD2
= 2.9V
V
DD2
= 3.3V
V
DD2
= 5V
V
DD2
= 12V
TEMPERATURE (°C)
–50
V
TH(UV)
(V)
1.250
1.240
1.230
1.245
1.235
1.225
1.220
500
4222 G05
10025–25 75
TEMPERATURE (°C)
–50
V
HYST(UV)
(mV)
100
90
95
85
80
500
4222 G06
10025–25 75
TEMPERATURE (°C)
–50
I
TIMER
(µA)
110
100
105
95
90
500
4222 G07
10025–25 75
I
TIMER
vs Temperature
Current Limit vs V
FB
V
TH
Circuit Breaker vs
Temperature
V
FB
(V)
0
CURRENT LIMIT (mV)
60
40
20
50
30
10
0
1.00.4 0.6
4222 G08
1.40.80.2 1.2
TEMPERATURE (°C)
–50
V
TH
CIRCUIT BREAKER (mV)
53
51
49
52
50
48
47
500
4222 G09
10025–25 75