Datasheet

7
LTC3445
3445fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LDO Reference Voltage
vs Temperature
LDO Reference Voltage
vs Load Current
TEMPERATURE (°C)
–50
LDO REFERENCE VOLTAGE (V)
0.598
25
3445 G22
0.596
–25 0 15050
0mA
75 100 125
0.594
0.592
0.590
0.498
0.600
0.602
0.604
LOAD CURRENT (mA)
0
LDO REFERENCE VOLTAGE (V)
0.604
0.606
0.608
30 50 80
3445 G23
0.602
0.600
0.598
0.596
10 20
40
60 70
V
CC2
= 2.5V
V
CC2
= 5.5V
LDO Output Voltage vs V
CC2
V
CC2
(V)
2.5
LDO OUTPUT VOLTAGE (V)
1.197
1.198
1.199
4.3
5.5
3445 G24
1.196
1.195
1.194
3.1 3.7 4.9
1.200
1.201
1.202
10mA
50mA
LDO Output Voltage
vs Load Current
LDO Output Voltage
vs Load Current
LOAD CURRENT (mA)
0
2.578
2.576
2.574
LDO OUTPUT VOLTAGE (V)
2.580
2.582
2.584
2.586
2.588
2.590
10 20 30 40
3445 G25
50 60 70 80
V
CC2
= 3.6V
V
CC2
= 5.5V
LOAD CURRENT (mA)
0
LDO OUTPUT VOLTAGE (V)
1.194
1.196
1.198
1.200
1.202
1.204
10
20 30 40
3445 G26
50 60
V
CC2
= 5.5V
V
CC2
= 2.5V
LDO Dropout Voltage
vs Load Current LDO Load Step (10mA to 40mA)
LOAD CURRENT (mA)
0
LDO DROPOUT VOLTAGE (mV)
120
160
200
40
3445 G28
80
40
0
10
20
30
50
–50°C
25°C
150°C
LDO
OUTPUT
20mV/DIV
LOAD
CURRENT
20mA/DIV
40µs/DIV
3445 G29