Datasheet

LTC3676/LTC3676-1
9
3676fa
For more information www.linear.com/LTC3676
TYPICAL PERFORMANCE CHARACTERISTICS
LTC3676-1 V
TT
Load Step
LDO1 Dropout Voltage
vs Temperature
LDO1 Short-Circuit Current
vs Temperature
100mV/DIV
1A/DIV
40µs/DIVC
OUT
= 88µF
3676 G16
V
TT
= 0.75V
I
LOAD
= –1.2A TO 1.2A
LTC3676-1
TEMPERATURE (°C)
–55
DROPOUT VOLTAGE (V)
200
250
300
150
3676 G17
150
100
0
0
50
100
50
400
350
V
LDO1
= 1.8V
I
LDO1
= 25mA
V
LDO1
= 3.3V
TEMPERATURE (°C)
–55
LDO1 SHORT-CIRCUIT CURRENT (mA)
60
65
70
150
3676 G18
55
50
40
0
50
100
45
80
75
LDO2 to LDO4 Load Step Response
LDO1 Load Step Response
LDO2 to LDO4 Dropout Voltage
vs Temperature
LDO2 to LDO4 Short-Circuit
Current vs Temperature
50mV/DIV
V
LDO
= 1.8V
I
LOAD
= 220mA
10mA
100mA/DIV
10µs/DIV
3676 G22
V
LDO1
50mA/DIV
I
LDO1
50mA/DIV
40µs/DIV
3676 G19
1.2V
20mA
1mA
TEMPERATURE (°C)
–50
DROPOUT VOLTAGE (mV)
250
300
350
150
3676 G20
200
150
100
0
0
50
100
50
450
V
LDO
= 1.2V
V
LDO
= 1.8V
V
LDO
= 3.3V
400
I
LDO
= 200mA
TEMPERATURE (°C)
–50
300
LDO SHORT-CIRCUIT CURRENT (mA)
350
450
500
550
800
650
0
50
3676 G21
400
700
750
600
100
150