参数资料
型号: LT1963AIS8#TRPBF
厂商: Linear Technology
文件页数: 9/28页
文件大小: 0K
描述: IC REG LDO ADJ 1.5A 8-SOIC
产品培训模块: More Information on LDOs
标准包装: 2,500
稳压器拓扑结构: 正,可调式
输出电压: 1.21 V ~ 20 V
输入电压: 2.1 V ~ 20 V
电压 - 压降(标准): 0.34V @ 1.5A
稳压器数量: 1
电流 - 输出: 1.5A
电流 - 限制(最小): 1.6A
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
LT1963A Series
TYPICAL PERFORMANCE CHARACTERISTICS
LT1963A GND Pin Current
LT1963A-1.5 GND Pin Current
LT1963A-1.8 GND Pin Current
10
8
T J = 25°C
V SHDN = V IN
*FOR V OUT = 1.21V
100
90
80
T J = 25°C
V SHDN = V IN
*FOR V OUT = 1.5V
100
90
80
T J = 25°C
V SHDN = V IN
*FOR V OUT = 1.8V
70
70
6
R L = 4.33, I L = 300mA*
60
R L = 1, I L = 1.5A*
60
R L = 1.2, I L = 1.5A*
50
50
4
40
R L = 1.5, I L = 1A*
40
R L = 12.1, I L = 100mA*
30
30
R L = 1.8, I L = 1A*
2
20
R L = 3, I L = 500mA*
20
0
0
1
R L = 121, I L = 10mA*
2 3 4 5 6 7
INPUT VOLTAGE (V)
8
9 10
10
0
0
1
2
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
10
0
0
1
2
R L = 3.6, I L = 500mA*
3 4 5 6 7
INPUT VOLTAGE (V)
8
9
10
LT1963A-2.5 GND Pin Current
1963A G16
LT1963A-3.3 GND Pin Current
1963A G43
LT1963A GND Pin Current
1963A G17
100
90
80
70
60
50
40
30
20
10
T J = 25°C
V SHDN = V IN
*FOR V OUT = 2.5V
R L = 1.67, I L = 1.5A*
R L = 2.5, I L = 1A*
R L = 5, I L = 500mA*
100
90
80
70
60
50
40
30
20
10
T J = 25°C
V SHDN = V IN
*FOR V OUT = 3.3V
R L = 2.2, I L = 1.5A*
R L = 3.3, I L = 1A*
R L = 6.6, I L = 500mA*
100
90
80
70
60
50
40
30
20
10
T J = 25°C
V SHDN = V IN
*FOR V OUT = 1.21V
R L = 0.81, I L = 1.5A*
R L = 1.21, I L = 1A*
R L = 2.42, I L = 500mA*
0
0
1
2
3
4
5
6 7
8
9
10
0
0
1
2
3
4
5
6 7
8
9
10
0
0
1
2
3
4
5
6 7
8
9
10
INPUT VOLTAGE (V)
GND Pin Current vs I LOAD
1963A G18
INPUT VOLTAGE (V)
1963A G19
SHDN Pin Threshold (On-to-Off)
INPUT VOLTAGE (V)
1963A G20
SHDN Pin Threshold (Off-to-On)
100
90
V IN = V OUT (NOMINAL) +1V
1.0
0.9
I L = 1mA
1.0
0.9
I L = 1.5A
80
70
0.8
0.7
0.8
0.7
60
50
40
30
20
10
0.6
0.5
0.4
0.3
0.2
0.1
0.6
0.5
0.4
0.3
0.2
0.1
I L = 1mA
0
0
0.2
0.4 0.6
0.8
1.0
1.2
1.4
1.6
0
–50
–25
0
25
50
75
100
125
0
–50
–25
0
25
50
75
100
125
9
OUTPUT CURRENT (A)
1963A G21
TEMPERATURE (°C)
1963A G22
For more information www.linear.com/LT1963A
TEMPERATURE (°C)
1963A G23
1963aff
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