LT1585A Ver la hoja de datos (PDF) - Linear Technology
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LT1585A Datasheet PDF : 12 Pages
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LT1585A/LT1585A-3.3
TYPICAL PERFORMANCE CHARACTERISTICS
LT1585A Reference Voltage
vs Temperature
1.275
1.270
1.265
1.260
1.255
1.250
1.245
1.240
1.235
1.230
1.225
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1585A • TPC04
Output Voltage vs Temperature
Using Adjustable LT1585A
3.70
VOUT SET WITH 1% RESISTORS
3.65
VOUT = 3.6V
3.60
3.55
3.50
VOUT = 3.45V
3.45
3.40
VOUT = 3.38V
3.35
VOUT = 3.3V
3.30
3.25
3.20
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1585A • TPC05
LT1585A-3.3 Output Voltage
vs Temperature
3.35
3.34
3.33
3.32
3.31
VOUT = 3.3V
3.30
3.29
3.28
3.27
3.26
3.25
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1585A • TPC06
LT1585A Minimum Load Current
vs Temperature
5
4
3
2
1
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1585A • TPC07
LT1585A Adjust Pin Current
vs Temperature
100
90
80
70
60
50
40
30
20
10
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1585A • TPC08
LT1585A-3.3 Quiescent Current
vs Temperature
13
12
11
10
9
8
7
6
5
4
3
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
LT1585A • TPC09
LT1585A-3.3 Ripple Rejection
vs Frequency
90
80
70
60
50
40
30
20
LT1585A-3.3: (VIN – VOUT) ≤ 3V
10 0.5V ≤ VRIPPLE ≤ 2V
IOUT = IFULL LOAD
0
10
100
1k
10k
FREQUENCY (Hz)
100k
LT1585A • TPC10
LT1585A Maximum Power
Dissipation*
30
25
20
15
10
5
0
50 60 70 80 90 100 110 120 130 140 150
CASE TEMPERATURE (˚C)
LT1585A • TPC11
*AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
4
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