LT1963ET View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT1963ET Datasheet PDF : 20 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LT1963 Series
LT1963 GND Pin Current
10
TJ = 25°C
VSHDN = VIN
8
*FOR VOUT = 1.21V
6
RL = 4.33, IL = 300mA*
4
RL = 12.1, IL = 100mA*
2
RL = 121, IL = 10mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1963 G16
LT1963-2.5 GND Pin Current
100
90
TJ = 25°C
VSHDN = VIN
80
*FOR VOUT = 2.5V
70
RL = 1.67, IL = 1.5A*
60
50
40
RL = 2.5, IL = 1A*
30
20
10
RL = 5, IL = 500mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1963 G18
GND Pin Current vs ILOAD
100
VIN = VOUT (NOMINAL) +1V
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 1.6
OUTPUT CURRENT (A)
1963 G21
LT1963-1.5 GND Pin Current
100
TJ = 25°C
90
VSHDN = VIN
80
*FOR VOUT = 1.5V
70
RL = 1, IL = 1.5A*
60
50
40
RL = 1.5, IL = 1A*
30
20
RL = 3, IL = 500mA*
10
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1963 G16i
LT1963-3.3 GND Pin Current
100
TJ = 25°C
90
VSHDN = VIN
80
*FOR VOUT = 3.3V
70
RL = 2.2, IL = 1.5A*
60
50
40
30
RL = 3.3, IL = 1A*
20
10
RL = 6.6, IL = 500mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1963 G19
SHDN Pin Threshold (On-to-Off)
1.0
IL = 1mA
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1963 G22
LT1963-1.8 GND Pin Current
100
TJ = 25°C
90
VSHDN = VIN
80
*FOR VOUT = 1.8V
70
60
RL = 1.2, IL = 1.5A*
50
40
30
RL = 1.8, IL = 1A*
20
10
RL = 3.6, IL = 500mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1963 G17
LT1963 GND Pin Current
100
TJ = 25°C
90
VSHDN = VIN
80
*FOR VOUT = 1.21V
70
60
50
RL = 0.81, IL = 1.5A*
40
30
RL = 1.21, IL = 1A*
20
10
RL = 2.42, IL = 500mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1963 G20
SHDN Pin Threshold (Off-to-On)
1.0
0.9
IL = 1.5A
0.8
0.7
0.6
IL = 1mA
0.5
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1963 G23
1963fc
7
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