Datasheet

5
LTC1844 Series
1844fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
V
OUT
vs Temperature
TEMPERATURE (°C)
–50
V
OUT
(V)
1.515
25
1844 G01
1.500
1.490
–25 0 50
1.485
1.480
1.520
1.510
1.505
1.495
75 100 125
V
OUT
= 1.5V
TEMPERATURE (°C)
–50
V
OUT
(V)
1.815
25
1844 G02
1.800
1.790
–25 0 50
1.785
1.780
1.820
1.810
1.805
1.795
75 100 125
V
OUT
= 1.8V
TEMPERATURE (°C)
–50
V
OUT
(V)
2.515
25
1844 G03
2.500
2.490
–25 0 50
2.485
2.480
2.520
2.510
2.505
2.495
75 100 125
V
OUT
= 2.5V
V
OUT
vs Temperature V
OUT
vs Temperature
V
OUT
vs Temperature V
OUT
vs Temperature V
OUT
vs Temperature
TEMPERATURE (°C)
–50
V
OUT
(V)
2.815
25
1844 G04
2.800
2.790
–25 0 50
2.785
2.780
2.820
2.810
2.805
2.795
75 100 125
V
OUT
= 2.8V
TEMPERATURE (°C)
–50
V
OUT
(V)
3.315
25
1844 G05
3.300
3.290
–25 0 50
3.285
3.280
3.320
3.310
3.305
3.295
75 100 125
V
OUT
= 3.3V
TEMPERATURE (°C)
–50
V
OUT
(V)
1.265
25
1844 G05
1.250
1.240
–25 0 50
1.235
1.230
1.270
1.260
1.255
1.245
75 100 125
V
OUT
= ADJ
Quiescent Current vs Temperature Current Limit vs Temperature SHDN Threshold vs Temperature
TEMPERATURE (°C)
–50
40
50
70
25 75
1844 G07
30
20
–25 0
50 100 125
10
0
60
I
Q
(µA)
TEMPERATURE (°C)
–50
CURRENT LIMIT (mA)
400
450
500
25 75
1844 G08
350
300
–25 0
50 100 125
250
200
V
OUT
= 2.8V
TEMPERATURE (°C)
–50
SHDN THRESHOLD (mV)
750
25
1844 G09
600
500
–25 0 50
450
400
800
700
650
550
75 100 125
I
LOAD
= 1mA