LT1764 Series
TYPICAL PERFOR A CE CHARACTERISTICS
LT1764-2.5 Quiescent Current
40
TJ = 25°C
35 RL = ∞
VSHDN = VIN
30
25
20
15
10
5
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1764 G10
LT1764-1.8 GND Pin Current
20.0
TJ = 25°C
17.5
VSHDN = VIN
*FOR VOUT = 1.8V
15.0
12.5
RL = 3.6Ω
IL = 500mA*
RL = 6Ω
IL = 300mA*
10.0
7.5
5.0
2.5
RL = 18Ω
IL = 100mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1764 G13
LT1764 GND Pin Current
15
TJ = 25°C
VSHDN = VIN
12 *FOR VOUT = 1.21V
RL = 2.42Ω
IL = 500mA*
9
RL = 4.33Ω
IL = 300mA*
6
RL = 12.1Ω
IL = 100mA*
3
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1764 G16
6
LT1764-3.3 Quiescent Current
40
TJ = 25°C
35
RL = ∞
VSHDN = VIN
30
25
20
15
10
5
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1764 G11
LT1764-2.5 GND Pin Current
40
TJ = 25°C
35
VSHDN = VIN
*FOR VOUT = 2.5V
30
25
RL = 5Ω
IL = 500mA*
20
15
RL = 25Ω RL = 8.33Ω
IL = 100mA* IL = 300mA*
10
5
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1764 G14
LT1764-1.8 GND Pin Current
150
TJ = 25°C
VSHDN = VIN
120
*FOR VOUT = 1.8V
RL = 0.6Ω
90
IL = 3A*
60
RL = 1.2Ω
IL = 1.5A*
RL = 2.57Ω
IL = 0.7A*
30
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1764 G17
LT1764 Quiescent Current
1.6
TJ = 25°C
1.4 RL = 4.3k
VSHDN = VIN
1.2
1.0
0.8
0.6
0.4
0.2
0
0 2 4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
1764 G12
LT1764-3.3 GND Pin Current
80
TJ = 25°C
70
VSHDN = VIN
*FOR VOUT = 3.3V
60
50
RL = 6.6Ω
40
IL = 500mA*
RL = 11Ω
30
IL = 300mA*
20
RL = 33Ω
IL = 100mA*
10
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1764 G15
LT1764-2.5 GND Pin Current
200
TJ = 25°C
VSHDN = VIN
160
*FOR VOUT = 2.5V
RL = 0.83Ω
120
IL = 3A*
80
RL = 1.66Ω
IL = 1.5A*
RL = 3.57Ω
IL = 0.7A*
40
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1764 G18
1764fb