IC LDO REG LOW NOISE 1.5A 5-DD

 

LT1963AEQ

Manufacturer Part NumberLT1963AEQ
DescriptionIC LDO REG LOW NOISE 1.5A 5-DD
ManufacturerLinear Technology
LT1963AEQ datasheets

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Specifications of LT1963AEQ

Regulator TopologyPositive AdjustableVoltage - Output1.21 ~ 20 V
Voltage - Input2.1 ~ 20 VVoltage - Dropout (typical)0.34V @ 1.5A
Number Of Regulators1Current - Output1.5A
Current - Limit (min)1.6AOperating Temperature-40°C ~ 125°C
Mounting TypeSurface MountPackage / CaseTO-263-5, D²Pak (5 leads + Tab), TO-263BA
Lead Free Status / RoHS StatusContains lead / RoHS non-compliant  
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1963A GND Pin Current
10
T
= 25°C
J
V
= V
SHDN
IN
*FOR V
= 1.21V
8
OUT
R
= 4.33, I
= 300mA*
L
L
6
4
R
= 12.1, I
= 100mA*
L
L
2
R
= 121, I
= 10mA*
L
L
0
0
1
2
3
4
5
6
7
8
9
INPUT VOLTAGE (V)
1963A G16
LT1963A-2.5 GND Pin Current
100
T
= 25°C
J
90
V
= V
SHDN
IN
*FOR V
= 2.5V
80
OUT
70
R
= 1.67, I
= 1.5A*
L
L
60
50
40
R
= 2.5, I
= 1A*
L
L
30
20
R
= 5, I
= 500mA*
10
L
L
0
4
0
1
2
3
5
6
7
8
9
INPUT VOLTAGE (V)
1963A G18
GND Pin Current vs I
LOAD
100
V
= V
+1V
IN
OUT (NOMINAL)
90
80
70
60
50
40
30
20
10
0
0
0.2
0.4 0.6
0.8
1.0 1.2
1.4
OUTPUT CURRENT (A)
1963A G21
LT1963A-1.5 GND Pin Current
100
T
= 25°C
J
90
V
= V
SHDN
*FOR V
OUT
80
70
60
R
= 1, I
= 1.5A*
L
L
50
R
= 1.5, I
= 1A*
40
L
L
30
R
= 3, I
= 500mA*
L
L
20
10
0
10
0
1
2
3
4
5
6
7
INPUT VOLTAGE (V)
LT1963A-3.3 GND Pin Current
100
T
= 25°C
J
90
V
= V
SHDN
*FOR V
OUT
80
70
R
= 2.2, I
= 1.5A*
L
L
60
50
40
R
= 3.3, I
= 1A*
30
L
L
20
10
R
= 6.6, I
= 500mA*
L
L
0
4
10
0
1
2
3
5
6
7
8
INPUT VOLTAGE (V)
SHDN Pin Threshold (On-to-Off)
1.0
I
= 1mA
L
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50
–25
0
25
50
75
1.6
TEMPERATURE (°C)
LT1963A Series
LT1963A-1.8 GND Pin Current
100
T
90
V
IN
= 1.5V
*FOR V
80
70
R
= 1.2, I
60
L
L
50
40
30
R
= 1.8, I
= 1A*
L
L
20
10
R
= 3.6, I
= 500mA*
L
L
0
0
1
2
3
4
5
6
8
9
10
INPUT VOLTAGE (V)
1963A G43
LT1963A GND Pin Current
100
T
J
90
V
IN
SHDN
= 3.3V
*FOR V
80
70
60
R
= 0.81, I
= 1.5A*
L
L
50
40
30
R
= 1.21, I
= 1A*
L
L
20
10
R
= 2.42, I
= 500mA*
L
L
0
9
10
0
1
2
3
4
5
6
INPUT VOLTAGE (V)
1963A G19
SHDN Pin Threshold (Off-to-On)
1.0
0.9
I
= 1.5A
L
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
100
125
–50
–25
0
25
50
TEMPERATURE (°C)
1963A G22
= 25°C
J
= V
SHDN
IN
= 1.8V
OUT
= 1.5A*
7
8
9
10
1963A G17
= 25°C
= V
IN
= 1.21V
OUT
7
8
9
10
1963A G20
I
= 1mA
L
75
100
125
1963A G23
1963afe
9

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