LT1764A LINER [Linear Technology], LT1764A Datasheet - Page 5

• Manufacturer Part Number: LT1764A
• Description: 1.1A, Low Noise, Low Dropout Linear Regulator
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
–50 –25
–50 –25
0
GND Pin Current
⎯ S ⎯ H ⎯ D ⎯ N Pin Threshold
ADJ Pin Bias Current
T
V
*FOR V
J
SHDN
= 25°C
1
= V
OUT
2
IN
0
0
= 1.2V
TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
3
OFF TO ON
ON TO OFF
4
25
25
5
R
R
R
L
L
L
50
50
= 24Ω, I
= 120Ω, I
= 1.2k, I
6
75
75
7
L
L
L
= 1mA*
= 50mA*
8
= 10mA*
100
100
1965 G10
1965 G13
1965 G07
9
125
125
10
2.5
2.0
1.5
1.0
0.5
25
20
15
10
5
0
6
5
4
3
2
1
0
0
0
0
0
GND Pin Current
⎯ S ⎯ H ⎯ D ⎯ N Pin Input Current
Current Limit vs V
ΔV
T
OUT
1
2
J
2
= 125°C
INPUT/OUTPUT DIFFERENTIAL (V)
= –100mV
R
2
4
4
L
SHDN PIN VOLTAGE (V)
= 1.091Ω, I
INPUT VOLTAGE (V)
3
6
6
4
8
8
T
10
R
R
10
J
5
L
L
L
= –50°C
= 1.1A*
IN
= 2.4Ω, I
= 12Ω, I
12
12
6
–V
T
V
*FOR V
J
SHDN
= 25°C
OUT
14
14
7
L
L
T
= V
OUT
= 100mA*
= 500mA*
16
J
16
8
= 25°C
IN
= 1.2V
1965 G11
1965 G08
18
1965 G14
18
9
10
20
20
25.0
22.5
20.0
17.5
15.0
12.5
10.0
7.50
5.00
2.50
6.0
5.9
5.8
5.7
5.6
5.5
5.4
5.3
5.2
5.1
5.0
3.0
2.5
2.0
1.5
1.0
0.5
0
0
–50 –25
–50 –25
0
GND Pin Current vs I
⎯ S ⎯ H ⎯ D ⎯ N Pin Input Current
Current Limit vs Temperature
V
V
V
V
IN
SHDN
IN
OUT
= V
= 7V
0.2
= 0V
OUT(NOMINAL)
= 20V
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
LOAD CURRENT (A)
0.4
25
25
0.6
+ 1V
50
50
LT1965
LOAD
0.8
75
75
1.0
100
100
1965 G09
1965 G12
1965 G15
5
1965f
125
125
1.2