LT1764AEQ-3.3#PBF Linear Technology, LT1764AEQ-3.3#PBF Datasheet - Page 6

• Manufacturer Part Number: LT1764AEQ-3.3#PBF
• Description: IC LDO LOW NOISE 3A 3.3V DDPAK-5
• Manufacturer: Linear Technology

Specifications of LT1764AEQ-3.3#PBF

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 20V
• Voltage - Dropout (typical): 0.34V @ 3A
• Number Of Regulators: 1
• Current - Output: 3A
• Current - Limit (min): 3.1A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-5, D²Pak (5 leads + Tab), TO-263BA
• Primary Input Voltage: 20V
• Output Voltage Fixed: 3.3V
• Dropout Voltage Vdo: 340mV
• No. Of Pins: 5
• Output Current: 3A
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LT1764A Series
TYPICAL PERFOR A CE CHARACTERISTICS
6
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
40
35
30
25
20
15
10
15
12
0
5
0
3
9
6
0
0
0
LT1764A-1.8 GND Pin Current
LT1764A GND Pin Current
0
LT1764A-3.3 Quiescent Current
T
V
*FOR V
J
SHDN
1
1
= 25°C
1
= V
2
2
OUT
2
IN
I
I
I
L
L
R
L
= 1.21V
R
3
INPUT VOLTAGE (V)
3
INPUT VOLTAGE (V)
R
3
INPUT VOLTAGE (V)
L
= 500mA*
= 100mA*
= 100mA*
L
L
= 12.1Ω
= 3.6Ω
= 18Ω
4
4
4
I
R
L
5
5
L
5
= 300mA*
= 4.33Ω
I
6
6
R
T
V
*FOR V
L
6
J
SHDN
L
= 500mA*
= 25°C
= 2.42Ω
7
7
R
I
7
L
T
R
V
L
W
= 300mA*
= V
J
OUT
L
SHDN
= 6Ω
= 25°C
8
8
=
8
IN
∞
= 1.8V
= V
1764 G13
9
1764 G11
9
1764 G16
9
U
IN
10
10
10
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
150
120
40
35
30
25
20
15
10
60
30
0
90
5
0
0
0
0
LT1764A Quiescent Current
LT1764A-2.5 GND Pin Current
LT1764A-1.5 GND Pin Current
0
T
R
V
J
L
SHDN
= 25°C
2
= 4.3k
1
1
= V
4
2
2
IN
R
I
6
INPUT VOLTAGE (V)
L
3
INPUT VOLTAGE (V)
3
INPUT VOLTAGE (V)
L
= 500mA*
= 5Ω
R
I
L
I
R
8
L
L
4
R
I
L
= 1.5A*
4
L
= 0.5Ω
= 3A*
L
= 1Ω
= 100mA*
10
= 25Ω
5
5
12
6
T
V
*FOR V
6
T
V
*FOR V
J
SHDN
J
SHDN
= 25°C
14
= 25°C
7
7
R
R
I
I
L
= V
L
L
OUT
L
= V
16
OUT
= 300mA*
= 0.7A*
8
= 2.14Ω
= 8.33Ω
8
IN
IN
= 2.5V
= 1.5V
18
1764 G12
1764A G43
1764 G14
9
9
20
10
10
20.0
17.5
15.0
12.5
10.0
150
120
80
70
60
50
40
30
20
10
7.5
5.0
2.5
30
90
60
0
0
0
0
0
LT1764A-3.3 GND Pin Current
LT1764A-1.8 GND Pin Current
LT1764A-1.5 GND Pin Current
0
T
V
*FOR V
J
SHDN
1
1
1
= 25°C
2
2
= V
2
OUT
R
I
L
L
IN
I
I
L
L
3
INPUT VOLTAGE (V)
R
I
3
= 1.5V
= 0.6Ω
INPUT VOLTAGE (V)
= 3A*
R
3
INPUT VOLTAGE (V)
L
R
= 500mA*
= 100mA*
L
L
= 500mA*
L
= 6.6Ω
R
I
= 15Ω
L
= 3Ω
4
L
4
4
= 1.5A*
= 1.2Ω
5
5
5
R
I
L
L
6
T
V
*FOR V
= 300mA*
T
V
*FOR V
6
6
= 11Ω
J
J
SHDN
SHDN
I
L
= 25°C
= 25°C
R
7
= 300mA*
7
7
R
I
R
I
L
L
L
L
L
= V
= V
= 5Ω
OUT
OUT
= 100mA*
= 0.7A*
= 33Ω
= 2.57Ω
8
8
8
IN
IN
= 1.8V
= 3.3V
1764afb
9
1764 G15
1764 G17
1764 G42
9
9
10
10
10