LT1764A View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT1764A Datasheet PDF : 20 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LT1764A-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
GND Pin Current vs ILOAD
160
VIN = VOUT(NOM) + 1V
140
120
100
80
60
40
20
0
0 0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT CURRENT (A)
1764 G21
LT1764A-3.3 GND Pin Current
200
TJ = 25°C
VSHDN = VIN
160
*FOR VOUT = 3.3V
RL = 1.1Ω
120
IL = 3A*
80
RL = 2.2Ω RL = 4.71Ω
IL = 1.5A* IL = 0.7A*
40
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1764 G19
SHDN Pin Threshold
(On-to-Off)
1.0
0.9 IL = 1mA
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1764 G22
LT1764A Series
LT1764A GND Pin Current
150
TJ = 25°C
VSHDN = VIN
120
*FOR VOUT = 1.21V
RL = 0.4Ω
IL = 3A*
90
60
RL = 0.81Ω
IL = 1.5A*
RL = 1.73Ω
IL = 0.7A*
30
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1764 G20
SHDN Pin Threshold
(Off-to-On)
1.0
0.9
0.8
IL = 3A
0.7
0.6
0.5
IL = 1mA
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1764 G23
SHDN Pin Input Current
10
9
8
7
6
5
4
3
2
1
0
0 2 4 6 8 10 12 14 16 18 20
SHDN PIN VOLTAGE (V)
1764 G24
SHDN Pin Input Current
10
VSHDN = 20V
9
8
7
6
5
4
3
2
1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1764 G25
ADJ Pin Bias Current
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
– 50 – 25
0 25 50 75
TEMPERATURE (°C)
100 125
1756 G26
1764afb
7
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