LT1584/LT1585/LT1587
TYPICAL PERFORMANCE CHARACTERISTICS
LT1584/5/7 Reference Voltage
vs Temperature
1.275
1.270
3.70
3.65
3.60
REFERENCE VOLTAGE (V)
1.265
OUTPUT VOLTAGE (V)
1.260
1.255
1.250
1.245
1.240
1.235
1.230
1.255
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1584 • TPC10
3.55
3.50
3.45
3.40
3.35
3.30
3.25
3.20
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1584 • TPC11
OUTPUT VOLTAGE (V)
LT1584/5/7 Minimum Load
Current vs Temperature
5
100
90
MINIMUM LOAD CURRENT (mA)
ADJUST PIN CURRENT (µA)
70
60
50
40
30
20
10
QUIESCENT CURRENT (mA)
4
3
2
1
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1584 • TPC13
LT1584/5/7 Ripple Rejection
vs Frequency
90
80
25
30
RIPPLE REJECTION (dB)
70
60
POWER (W)
50
40
30
20
10
0
10
LT1584: (V
IN
– V
OUT
)
≤
2.5V
LT1585/87: (V
IN
– V
OUT
)
≤
3V
0.5V
≤
V
RIPPLE
≤
2V
I
OUT
= I
FULL LOAD
100
1k
10k
FREQUENCY (Hz)
100k
LT1584 • TPC16
POWER (W)
6
U W
Output Voltage vs Temperature
Using Adjustable LT1584/5/7
V
OUT
SET WITH 1% RESISTORS
V
OUT
= 3.6V
3.70
3.65
3.60
3.55
3.50
3.45
3.40
3.35
3.30
3.25
LT1584/5/7-3.XX Output Voltage
vs Temperature
V
OUT
= 3.6V
V
OUT
= 3.45V
V
OUT
= 3.38V
V
OUT
= 3.3V
V
OUT
= 3.45V
V
OUT
= 3.38V
V
OUT
= 3.3V
3.20
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1584 • TPC12
LT1584/5/7 Adjust Pin Current
vs Temperature
13
12
11
10
9
8
7
6
5
4
LT1584/5/7-3.XX Quiescent
Current vs Temperature
80
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1584 • TPC14
3
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1584 • TPC15
LT1585/7 Maximum Power
Dissipation*
30
LT1585
LT1584 Maximum Power
Dissipation*
25
LT1587
20
15
10
5
0
20
15
10
5
0
50 60 70 80 90 100 110 120 130 140 150
CASE TEMPERATURE (˚C)
LT1584 • TPC17
50 60 70 80 90 100 110 120 130 140 150
CASE TEMPERATURE (°C)
LT1584 • TPC18
*AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
*AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
LINER [ LINEAR TECHNOLOGY ]
