LT1963ET-3.3 Linear Technology, LT1963ET-3.3 Datasheet - Page 7

• Manufacturer Part Number: LT1963ET-3.3
• Description: IC REG LDO 3.3V 1.5A LN TO220-5
• Manufacturer: Linear Technology

Specifications of LT1963ET-3.3

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• 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: Through Hole
• Package / Case: TO-220-5 (Bent and Staggered Leads)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL PERFOR A CE CHARACTERISTICS
100
100
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
8
6
4
2
0
0
0
0
LT1963 GND Pin Current
0
0
LT1963-2.5 GND Pin Current
GND Pin Current vs I
V
IN
1
1
0.2
= V
R
OUT (NOMINAL)
2
2
L
R
0.4 0.6
R
= 121, I
R
L
L
OUTPUT CURRENT (A)
R
L
R
3
INPUT VOLTAGE (V)
3
INPUT VOLTAGE (V)
= 5, I
= 12.1, I
L
L
= 1.67, I
= 4.33, I
= 2.5, I
4
4
L
L
= 500mA*
= 10mA*
0.8
L
5
+1V
5
L
L
= 100mA*
L
= 1.5A*
= 1A*
T
V
*FOR V
= 300mA*
J
T
V
*FOR V
SHDN
6
6
LOAD
1.0 1.2
J
SHDN
= 25°C
= 25°C
7
7
= V
OUT
= V
OUT
W
IN
8
8
= 1.21V
IN
= 2.5V
1.4
1963 G16
1963 G18
1963 G21
9
9
U
10
1.6
10
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
–50
0
0
LT1963-1.5 GND Pin Current
LT1963-3.3 GND Pin Current
SHDN Pin Threshold (On-to-Off)
I
L
= 1mA
1
1
–25
2
2
R
0
L
3
TEMPERATURE (°C)
INPUT VOLTAGE (V)
3
INPUT VOLTAGE (V)
= 6.6, I
R
R
L
R
4
4
25
L
= 2.2, I
L
= 3.3, I
R
= 3, I
L
L
5
5
= 500mA*
= 1.5, I
R
50
L
L
L
= 1, I
L
T
V
*FOR V
6
6
T
V
*FOR V
= 1.5A*
= 500mA*
J
SHDN
= 1A*
J
SHDN
= 25°C
L
= 25°C
75
7
L
= 1A*
7
= 1.5A*
= V
OUT
= V
OUT
8
8
IN
100
IN
= 1.5V
= 3.3V
1963 G16i
1963 G22
1963 G19
9
9
125
10
10
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
–50
0
LT1963 GND Pin Current
LT1963-1.8 GND Pin Current
0
SHDN Pin Threshold (Off-to-On)
1
1
–25
2
2
R
R
L
R
L
LT1963 Series
0
R
L
= 2.42, I
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
R
3
INPUT VOLTAGE (V)
= 3.6, I
L
= 1.21, I
L
= 0.81, I
R
= 1.8, I
4
L
4
25
= 1.2, I
L
L
= 500mA*
5
I
5
L
= 500mA*
L
L
L
= 1A*
50
= 1.5A
= 1A*
= 1.5A*
T
V
*FOR V
L
J
SHDN
6
T
V
*FOR V
6
= 1.5A*
= 25°C
J
SHDN
I
L
= 25°C
75
7
= 1mA
7
= V
OUT
= V
OUT
IN
8
8
= 1.21V
100
IN
= 1.8V
1963 G23
1963 G20
1963 G17
9
9
1963fc
7
125
10
10