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LT1762 Series
7
Rev B
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1762
GND Pin Current
LT1762-2.5
GND Pin Current
LT1762-3
GND Pin Current
LT1762-3.3
GND Pin Current
LT1762-5
GND Pin Current
LT1762
GND Pin Current
GND Pin Current vs I
LOAD
SHDN Pin Threshold (On-to-Off) SHDN Pin Threshold (Off-to-On)
INPUT VOLTAGE (V)
0
GND PIN CURRENT (μA)
800
700
600
500
400
300
200
100
0
8
1762 G19
21 3 5 7 9
4
6
10
R
L
= 48.8Ω
I
L
= 25mA*
R
L
= 122Ω
I
L
= 10mA*
R
L
= 1.22k
I
L
= 1mA*
T
J
= 25°C
V
IN
= V
SHDN
*FOR V
OUT
= 1.22V
INPUT VOLTAGE (V)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
GND PIN CURRENT (mA)
1762 G20
0 1 2 3
4
5
6 7 8 9
10
T
J
= 25°C
V
IN
= V
SHDN
*FOR V
OUT
= 2.5V
R
L
= 16.7Ω
I
L
= 150mA*
R
L
= 25Ω
I
L
= 100mA*
R
L
= 50Ω
I
L
= 50mA*
INPUT VOLTAGE (V)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
GND PIN CURRENT (mA)
1762 G21
0 1 2 3
4
5
6 7 8 9
10
T
J
= 25°C
V
IN
= V
SHDN
*FOR V
OUT
= 3V
R
L
= 20Ω
I
L
= 150mA*
R
L
= 30Ω
I
L
= 100mA*
R
L
= 60Ω
I
L
= 50mA*
INPUT VOLTAGE (V)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
GND PIN CURRENT (mA)
1762 G22
0 1 2 3
4
5
6 7 8 9
10
T
J
= 25°C
V
IN
= V
SHDN
*FOR V
OUT
= 3.3V
R
L
= 22Ω
I
L
= 150mA*
R
L
= 33Ω
I
L
= 100mA*
R
L
= 66Ω
I
L
= 50mA*
INPUT VOLTAGE (V)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
GND PIN CURRENT (mA)
1762 G23
0 1 2 3
4
5
6 7 8 9
10
R
L
= 33.3Ω
I
L
= 150mA*
R
L
= 50Ω
I
L
= 100mA*
R
L
= 100Ω
I
L
= 50mA*
T
J
= 25°C
V
IN
= V
SHDN
*FOR V
OUT
= 5V
INPUT VOLTAGE (V)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
GND PIN CURRENT (mA)
1762 G24
0 1 2 3
4
5
6 7 8 9
10
R
L
= 8.07Ω
I
L
= 150mA*
R
L
= 12.2Ω
I
L
= 100mA*
R
L
= 24.4Ω
I
L
= 50mA*
T
J
= 25°C
V
IN
= V
SHDN
*FOR V
OUT
= 1.22V
OUTPUT CURRENT (mA)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
GND PIN CURRENT (mA)
1762 G25
0 20
40
60 80 100
120
140
160
V
IN
= V
OUT(NOMINAL)
+ 1V
TEMPERATURE (°C)
–50
SHDN PIN THRESHOLD (V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
50
75
1762 G26
–25
25
100
125
I
L
= 1mA
TEMPERATURE (°C)
–50
SHDN PIN THRESHOLD (V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
50
75
1762 G27
–25
25
100
125
I
L
= 150mA
I
L
= 1mA
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