Datasheet

LTM8001
8
8001fb
For more information www.linear.com/LTM8001
TYPICAL PERFORMANCE CHARACTERISTICS
LDO Input-to-Output Dropout
Voltage vs Output Current
LDO V
BIAS
-to-Output Dropout
Voltage vs Output Current
LDO Current Limit vs Input-to-
Output Differential Voltage
LDO Temperature Rise vs LDO
Output Current (V
IN
= 24V,
V
OUT0
= 12V, 1 LDO Powered)
LDO Temperature Rise vs LDO
Output Current (V
IN
= 24V,
V
OUT0
= 12V, 5 LDOs in Parallel)
(T
A
= 25°C unless otherwise noted. Configured per Table 1, where applicable.)
LDO Input Voltage Ripple Rejection
(V
OUT4
= 2.5V,
V
IN45
= V
BIAS45
= 4.5V)
LDO Input Voltage Ripple Rejection
(V
OUT4
= 2.5V, V
BIAS45
= 4.5V,
V
IN45
= 3.5V)
OUTPUT CURRENT (mA)
0
INPUT-TO-OUTPUT DROPOUT VOLTAGE (mV)
150
200
250
600
1000
8001 G31
100
50
0
200 400 800
300
350
400
OUTPUT CURRENT (mA)
0
BIAS-TO-OUTPUT DROPOUT VOLTAGE (V)
1.40
1.42
1.44
600
1000
8001 G32
1.38
1.36
1.34
200 400 800
1.46
1.48
1.52
1.50
INPUT-TO-OUTPUT DIFFERENTIAL (V)
0
LDO CURRENT LIMIT (mA)
800
1000
1200
40
8001 G33
600
400
0
10
20
30
200
1600
1400
LDO OUTPUT CURRENT (mA)
0
0
TEMPERATURE RISE (°C)
20
40
60
80
120
500 1000
8001 G34
1500
LDO
INPUT-TO-OUTPUT
DIFFERENTIAL
VOLTAGE
100
0.5V
1.6V
2.4V
4V
7V
9.5V
11.9V
TOTAL LDO OUTPUT CURRENT (A)
0
0
TEMPERATURE RISE (°C)
20
40
60
80
120
1 2 3 4
8001 G35
5
LDO
INPUT-TO-OUTPUT
DIFFERENTIAL
VOLTAGE
100
0.5V
0.9V
2V
4V
7V
8.7V
11.9V
FREQUENCY (Hz)
10
RIPPLE REJECTION (dB)
60
80
100
8001 G36
40
20
50
70
90
30
10
0
10
2
10
3
10
4
10
5
10
6
I
LOAD
= 100mA
I
LOAD
= 1.1A
FREQUENCY (Hz)
10
RIPPLE REJECTION (dB)
60
80
100
8001 G37
40
20
50
70
90
30
10
0
10
2
10
3
10
4
10
5
10
6
I
LOAD
= 100mA
I
LOAD
= 1.1A