Datasheet

7
LT1584/LT1585/LT1587
158457a
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
LT1584/5/7 Minimum Load
Current vs Temperature
LT1584/5/7-3.XX Quiescent
Current vs Temperature
LT1584/5/7 Adjust Pin Current
vs Temperature
LT1584/5/7 Ripple Rejection
vs Frequency
LT1584 Maximum Power
Dissipation*
LT1585/7 Maximum Power
Dissipation*
LT1584/5/7 Reference Voltage
vs Temperature
Output Voltage vs Temperature
Using Adjustable LT1584/5/7
TEMPERATURE (°C)
–75
REFERENCE VOLTAGE (V)
1.255
1.265
1.275
125
LT1584 • TPC10
1.245
1.235
1.250
1.260
1.270
1.240
1.230
1.255
–25
25
75
–50 150
0
50
100
175
TEMPERATURE (°C)
–75
OUTPUT VOLTAGE (V)
3.60
3.65
3.70
125
LT1584 • TPC11
3.55
3.50
3.45
3.40
3.35
3.30
3.25
3.20
–25
25
75
–50 150
0
50
100
175
V
OUT
= 3.6V
V
OUT
= 3.45V
V
OUT
= 3.38V
V
OUT
= 3.3V
V
OUT
SET WITH 1% RESISTORS
TEMPERATURE (°C)
–75
OUTPUT VOLTAGE (V)
3.60
3.65
3.70
125
LT1584 • TPC12
3.55
3.50
3.45
3.40
3.35
3.30
3.25
3.20
–25
25
75
–50 150
0
50
100
175
V
OUT
= 3.6V
V
OUT
= 3.45V
V
OUT
= 3.38V
V
OUT
= 3.3V
TEMPERATURE (°C)
–75
MINIMUM LOAD CURRENT (mA)
3
4
5
125
LT1584 • TPC13
2
1
0
–25
25
75
–50 150
0
50
100
175
TEMPERATURE (°C)
–75
ADJUST PIN CURRENT (µA)
60
80
100
125
LT1584 • TPC14
40
20
50
70
90
30
10
0
–25
25
75
–50 150
0
50
100
175
TEMPERATURE (°C)
–75
QUIESCENT CURRENT (mA)
9
11
13
125
LT1584 • TPC15
7
5
8
10
12
6
4
3
–25
25
75
–50 150
0
50
100
175
FREQUENCY (Hz)
20
RIPPLE REJECTION (dB)
40
50
70
90
10 1k 10k 100k
LT1584 • TPC16
0
100
60
30
10
80
LT1584: (V
IN
– V
OUT
) ≤ 2.5V
LT1585/87: (V
IN
– V
OUT
) ≤ 3V
0.5V ≤ V
RIPPLE
≤ 2V
I
OUT
= I
FULL LOAD
CASE TEMPERATURE (˚C)
50
POWER (W)
20
25
30
80 100
LT1584 • TPC17
15
10
60 70
90 110 120 130 140 150
5
0
LT1585
LT1587
CASE TEMPERATURE (°C)
0
POWER (W)
10
20
30
5
15
25
70 90 110 130
LT1584 • TPC18
1506050 80 100 120 140
LT1584/5/7-3.XX Output Voltage
vs Temperature
*AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE *AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE