LT1963AEST-2.5 Linear Technology, LT1963AEST-2.5 Datasheet - Page 9
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LT1963AEST-2.5
Manufacturer Part Number
LT1963AEST-2.5
Description
IC REG LDO LN 1.5A 2.5V SOT223-3
Manufacturer
Linear Technology
Datasheet
1.LT1963AEST-3.3TRPBF.pdf
(28 pages)
Specifications of LT1963AEST-2.5
Regulator Topology
Positive Fixed
Voltage - Output
2.5V
Voltage - Input
Up to 20V
Voltage - Dropout (typical)
0.34V @ 1.5A
Number Of Regulators
1
Current - Output
1.5A
Current - Limit (min)
1.6A
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
SOT-223 (3 leads + Tab), SC-73, TO-261
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LT1963AEST-2.5
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LT1963AEST-2.5#PBF
Manufacturer:
LT
Quantity:
19 200
Company:
Part Number:
LT1963AEST-2.5#PBF
Manufacturer:
LINEAR21
Quantity:
2 261
Part Number:
LT1963AEST-2.5#PBF
Manufacturer:
LT/凌特
Quantity:
20 000
Company:
Part Number:
LT1963AEST-2.5#TRPBF
Manufacturer:
LT
Quantity:
19 200
Part Number:
LT1963AEST-2.5#TRPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
TYPICAL PERFORMANCE CHARACTERISTICS
100
100
90
80
70
60
50
40
30
20
10
10
90
80
70
60
50
40
30
20
10
0
0
8
6
4
2
0
0
0
LT1963A-2.5 GND Pin Current
GND Pin Current vs I
LT1963A GND Pin Current
0
V
IN
1
0.2
1
= V
OUT (NOMINAL)
2
R
2
0.4 0.6
L
R
R
R
= 121, I
L
OUTPUT CURRENT (A)
L
L
R
3
INPUT VOLTAGE (V)
= 5, I
R
3
INPUT VOLTAGE (V)
= 12.1, I
= 1.67, I
L
L
= 2.5, I
= 4.33, I
4
L
4
L
= 500mA*
= 10mA*
0.8
+1V
L
5
L
L
5
= 100mA*
= 1.5A*
= 1A*
L
T
V
*FOR V
= 300mA*
T
V
*FOR V
6
LOAD
1.0 1.2
J
SHDN
6
J
SHDN
= 25°C
= 25°C
7
7
= V
OUT
= V
OUT
8
IN
8
IN
= 1.21V
= 2.5V
1.4
1963A G18
1963A G21
1963A G16
9
9
1.6
10
10
100
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
–50
LT1963A-3.3 GND Pin Current
0
0
LT1963A-1.5 GND Pin Current
SHDN Pin Threshold (On-to-Off)
I
L
1
= 1mA
1
–25
2
2
R
R
L
3
INPUT VOLTAGE (V)
0
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
L
= 6.6, I
= 1, I
R
R
L
4
4
L
= 2.2, I
25
R
= 3.3, I
L
L
L
= 1.5A*
5
5
= 3, I
= 500mA*
R
50
L
L
L
6
= 1.5A*
6
T
V
*FOR V
T
V
*FOR V
= 1.5, I
L
= 1A*
J
SHDN
J
SHDN
= 500mA*
= 25°C
= 25°C
7
7
75
L
= V
= V
OUT
OUT
= 1A*
8
8
IN
IN
100
= 3.3V
= 1.5V
1963A G19
1963A G43
1963A G22
9
9
125
10
10
100
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
–50
0
LT1963A GND Pin Current
0
LT1963A-1.8 GND Pin Current
SHDN Pin Threshold (Off-to-On)
LT1963A Series
1
1
–25
2
2
R
R
R
L
L
R
L
= 2.42, I
3
0
INPUT VOLTAGE (V)
R
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
= 3.6, I
L
= 1.21, I
L
= 0.81, I
R
= 1.8, I
4
4
L
25
= 1.2, I
L
L
= 500mA*
5
L
= 500mA*
5
I
L
L
L
= 1A*
50
= 1A*
= 1.5A
T
V
*FOR V
= 1.5A*
L
J
SHDN
6
T
V
*FOR V
6
= 1.5A*
= 25°C
J
SHDN
I
= 25°C
L
7
7
75
= 1mA
= V
OUT
= V
OUT
IN
8
8
= 1.21V
IN
100
= 1.8V
1963A G20
1963A G17
1963A G23
9
1963afe
9
9
125
10
10