Datasheet

5
LT1764 Series
1764fb
TEMPERATURE (°C)
–50
0.8
1.0
1.4
25 75
1764 G04
0.6
0.4
–25 0
50 100 125
0.2
0
1.2
QUIESCENT CURRENT (mA)
LT1764-1.8/2.5/3.3
LT1764
V
IN
= 6V
R
L
= ∞
I
L
= 0
V
SHDN
= V
IN
TEMPERATURE (°C)
–50
OUTPUT VOLTAGE (V)
25
1756 G05
–25 0 50
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
75 100 125
I
L
= 1mA
TEMPERATURE (°C)
–50
OUTPUT VOLTAGE (V)
25
1756 G06
–25 0 50
2.58
2.56
2.54
2.52
2.50
2.48
2.46
2.44
2.42
75 100 125
I
L
= 1mA
OUTPUT CURRENT (A)
0
0
DROPOUT VOLTAGE (mV)
100
200
300
400
600
0.5
1.0 1.5 2.0
1764 G01
2.5 3.0
500
T
J
= 125°C
T
J
= 25°C
OUTPUT CURRENT (A)
0
700
600
500
400
300
200
100
0
1.5 2.5
1764 G02
0.5 1.0
2.0 3.0
GUARANTEED DROPOUT VOLTAGE (mV)
= TEST POINTS
T
J
≤ 125°C
T
J
≤ 25°C
TEMPERATURE (°C)
–50
DROPOUT VOLTAGE (mV)
400
500
600
25 75
1764 G03
300
200
–25 0
50 100 125
100
0
I
L
= 3A
I
L
= 1.5A
I
L
= 0.5A
I
L
= 100mA
I
L
= 1mA
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Quiescent Current LT1764-1.8 Output Voltage LT1764-2.5 Output Voltage
LT1764-3.3 Output Voltage LT1764 ADJ Pin Voltage LT1764-1.8 Quiescent Current
TEMPERATURE (°C)
–50
OUTPUT VOLTAGE (V)
25
1756 G07
–25 0 50
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
75 100 125
I
L
= 1mA
TEMPERATURE (°C)
–50
ADJ PIN VOLTAGE (V)
25
1756 G08
–25 0 50
1.230
1.225
1.220
1.215
1.210
1.205
1.200
1.195
1.190
75 100 125
I
L
= 1mA
INPUT VOLTAGE (V)
0
QUIESCENT CURRENT (mA)
40
35
30
25
20
15
10
5
0
8
1764 G09
246 107135 9
T
J
= 25°C
R
L
= ∞
V
SHDN
= V
IN
Typical Dropout Voltage Guaranteed Dropout Voltage Dropout Voltage