LT1587CT-1.5 Linear Technology, LT1587CT-1.5 Datasheet - Page 3

• Manufacturer Part Number: LT1587CT-1.5
• Description: IC LDO REGULATOR 3A 1.5V TO220-3
• Manufacturer: Linear Technology

Specifications of LT1587CT-1.5

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.5V
• Voltage - Input: 2.7 ~ 7 V
• Voltage - Dropout (typical): 1.15V @ 3A
• Number Of Regulators: 1
• Current - Output: 3A
• Current - Limit (min): 3.1A
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL PERFORMANCE CHARACTERISTICS
1.5
1.3
1.2
1.1
0.9
0.5
1.4
1.0
0.8
0.7
0.6
Dropout Voltage vs Output Current
0
GUARANTEED
TEST POINTS
0.5
T = 25 C
T = 125 C
OUTPUT CURRENT (A)
1.0
1.53
1.52
1.51
1.50
1.49
1.48
1.47
90
80
70
60
50
40
30
20
10
0
–75
10
1.5
Output Voltage vs Temperature
Ripple Rejection vs Frequency
LT1587-1.5: (V
0.5V V
I
OUT
–50
= I
2.0
–25
FULL LOAD
100
RIPPLE
W
T = –5 C
0
TEMPERATURE ( C)
LT1587 • TPC01
2.5
FREQUENCY (Hz)
IN
25
– V
2V
U
50
OUT
1k
3.0
) 3V
75
100
10k
125
5.0
4.0
3.5
3.0
4.5
LT1587 • TPC04
LT1587 • TPC06
–75
150
Short-Circuit Current
vs Temperature
–50
100k
175
–25
0
TEMPERATURE ( C)
25 50
75
100
125
LT1587 • TPC02
150
*AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
13
12
11
10
30
25
20
15
10
5
4
0
9
8
7
6
3
5
–75
50
175
Quiescent Current vs Temperature
Maximum Power Dissipation*
–50
LT1587-1.5
60 70
–25
CASE TEMPERATURE (˚C)
–0.05
–0.10
–0.15
–0.20
0.10
0.05
80
0
TEMPERATURE ( C)
0
–75
25
90
Load Regulation vs Temperature
–50
I = 3A
100
50
–25
110 120 130 140 150
75
100
TEMPERATURE ( C)
0
125
25
LT1587-1.5
LT1587 • TPC05
LT1587 • TPC07
150
50
175
75
100
125
LT1587 • TPC03
150
3
175