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LT1764EQ-3.3 Datasheet Download

Part No.:
LT1764EQ-3.3
Download:
Download Datasheet
Description:
[3A, Fast Transient Response, Low Noise,LDO Regulators]
File Size:
278 K
Page:
20 Pages
Logo:
Manufacturer:
LINER [ LINEAR TECHNOLOGY ]
PCB Prototype
 LT1764EQ-3.3 Datasheet Page:2LT1764EQ-3.3 Datasheet Page:3LT1764EQ-3.3 Datasheet Page:4LT1764EQ-3.3 Datasheet Page:5LT1764EQ-3.3 Datasheet Page:7LT1764EQ-3.3 Datasheet Page:8LT1764EQ-3.3 Datasheet Page:9LT1764EQ-3.3 Datasheet Page:10 
LT1764 Series
TYPICAL PERFOR A CE CHARACTERISTICS
LT1764-2.5 Quiescent Current
40
35
T
J
= 25°C
R
L
=
V
SHDN
= V
IN
40
35
T
J
= 25°C
R
L
=
V
SHDN
= V
IN
QUIESCENT CURRENT (mA)
QUIESCENT CURRENT (mA)
30
25
20
15
10
5
0
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
30
25
20
15
10
5
0
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
QUIESCENT CURRENT (mA)
LT1764-1.8 GND Pin Current
20.0
17.5
GND PIN CURRENT (mA)
40
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.8V
GND PIN CURRENT (mA)
12.5
10.0
7.5
5.0
2.5
0
0
1
2
R
L
= 3.6Ω
I
L
= 500mA*
R
L
= 6Ω
I
L
= 300mA*
25
20
15
10
5
0
R
L
= 5Ω
I
L
= 500mA*
GND PIN CURRENT (mA)
15.0
R
L
= 18Ω
I
L
= 100mA*
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
LT1764 GND Pin Current
15
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.21V
R
L
= 2.42Ω
I
L
= 500mA*
9
R
L
= 4.33Ω
I
L
= 300mA*
6
R
L
= 12.1Ω
I
L
= 100mA*
3
GND PIN CURRENT (mA)
150
GND PIN CURRENT (mA)
90
R
L
= 0.6Ω
I
L
= 3A*
GND PIN CURRENT (mA)
12
0
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
6
U W
1764 G10
LT1764-3.3 Quiescent Current
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
LT1764 Quiescent Current
T
J
= 25°C
R
L
= 4.3k
V
SHDN
= V
IN
0
2
4
6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
1764 G12
1764 G11
LT1764-2.5 GND Pin Current
80
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 2.5V
70
60
50
40
30
20
10
0
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
35
30
LT1764-3.3 GND Pin Current
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 3.3V
R
L
= 6.6Ω
I
L
= 500mA*
R
L
= 11Ω
I
L
= 300mA*
R
L
= 33Ω
I
L
= 100mA*
R
L
= 25Ω
I
L
= 100mA*
R
L
= 8.33Ω
I
L
= 300mA*
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
1764 G13
1764 G14
1764 G15
LT1764-1.8 GND Pin Current
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.8V
200
LT1764-2.5 GND Pin Current
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 2.5V
R
L
= 0.83Ω
I
L
= 3A*
120
160
120
60
R
L
= 1.2Ω
I
L
= 1.5A*
80
R
L
= 1.66Ω
I
L
= 1.5A*
R
L
= 3.57Ω
I
L
= 0.7A*
R
L
= 2.57Ω
I
L
= 0.7A*
30
40
8
9
10
0
0
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
1764 G16
1764 G17
1764 G18
1764fb