LT1963AES8-1.8#PBF Linear Technology, LT1963AES8-1.8#PBF Datasheet - Page 9

• Manufacturer Part Number: LT1963AES8-1.8#PBF
• Description: IC LDO REG LONOIS 1.5A 1.8V8SOIC
• Manufacturer: Linear Technology

Specifications of LT1963AES8-1.8#PBF

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: Up to 20V
• Voltage - Dropout (typical): 0.34V @ 1.5A
• Number Of Regulators: 1
• Current - Output: 1.5A
• Current - Limit (min): 1.6A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Primary Input Voltage: 20V
• Output Voltage Fixed: 1.8V
• Dropout Voltage Vdo: 340mV
• No. Of Pins: 8
• Output Current: 1.5A
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
100
100
90
80
70
60
50
40
30
20
10
10
90
80
70
60
50
40
30
20
10
0
0
8
6
4
2
0
0
0
LT1963A-2.5 GND Pin Current
GND Pin Current vs I
LT1963A GND Pin Current
0
V
IN
1
0.2
1
= V
OUT (NOMINAL)
2
R
2
0.4 0.6
L
R
R
R
= 121, I
L
OUTPUT CURRENT (A)
L
L
R
3
INPUT VOLTAGE (V)
= 5, I
R
3
INPUT VOLTAGE (V)
= 12.1, I
= 1.67, I
L
L
= 2.5, I
= 4.33, I
4
L
4
L
= 500mA*
= 10mA*
0.8
+1V
L
5
L
L
5
= 100mA*
= 1.5A*
= 1A*
L
T
V
*FOR V
= 300mA*
T
V
*FOR V
6
LOAD
1.0 1.2
J
SHDN
6
J
SHDN
= 25°C
= 25°C
7
7
= V
OUT
= V
OUT
8
IN
8
IN
= 1.21V
= 2.5V
1.4
1963A G18
1963A G21
1963A G16
9
9
1.6
10
10
100
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
–50
LT1963A-3.3 GND Pin Current
0
0
LT1963A-1.5 GND Pin Current
SHDN Pin Threshold (On-to-Off)
I
L
1
= 1mA
1
–25
2
2
R
R
L
3
INPUT VOLTAGE (V)
0
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
L
= 6.6, I
= 1, I
R
R
L
4
4
L
= 2.2, I
25
R
= 3.3, I
L
L
L
= 1.5A*
5
5
= 3, I
= 500mA*
R
50
L
L
L
6
= 1.5A*
6
T
V
*FOR V
T
V
*FOR V
= 1.5, I
L
= 1A*
J
SHDN
J
SHDN
= 500mA*
= 25°C
= 25°C
7
7
75
L
= V
= V
OUT
OUT
= 1A*
8
8
IN
IN
100
= 3.3V
= 1.5V
1963A G19
1963A G43
1963A G22
9
9
125
10
10
100
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
–50
0
LT1963A GND Pin Current
0
LT1963A-1.8 GND Pin Current
SHDN Pin Threshold (Off-to-On)
LT1963A Series
1
1
–25
2
2
R
R
R
L
L
R
L
= 2.42, I
3
0
INPUT VOLTAGE (V)
R
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
= 3.6, I
L
= 1.21, I
L
= 0.81, I
R
= 1.8, I
4
4
L
25
= 1.2, I
L
L
= 500mA*
5
L
= 500mA*
5
I
L
L
L
= 1A*
50
= 1A*
= 1.5A
T
V
*FOR V
= 1.5A*
L
J
SHDN
6
T
V
*FOR V
6
= 1.5A*
= 25°C
J
SHDN
I
= 25°C
L
7
7
75
= 1mA
= V
OUT
= V
OUT
IN
8
8
= 1.21V
IN
100
= 1.8V
1963A G20
1963A G17
1963A G23
9
1963afe
9
9
125
10
10