参数资料
型号: LT1963AES8-3.3
厂商: Linear Technology
文件页数: 10/28页
文件大小: 0K
描述: IC REG LDO 3.3V 1.5A 8SOIC
标准包装: 100
稳压器拓扑结构: 正,固定式
输出电压: 3.3V
输入电压: 最高 20V
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: 管件
LT1963A Series
TYPICAL PERFORMANCE CHARACTERISTICS
SHDN Pin Input Current
SHDN Pin Input Current
ADJ Pin Bias Current
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
7
6
5
4
3
2
1
V SHDN = 20V
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
2
4
6
8
10 12 14 16 18 20
0
–50 –25
0
25
50
75
100
125
0
–50
–25
0
25
50
75
100
125
SHDN PIN VOLTAGE (V)
1963A G24
TEMPERATURE (°C)
1963A G25
TEMPERATURE (°C)
1963A G26
3.0
2.5
Current Limit
T J = 25 ° C
Current Limit
4.0
V IN = 7V
3.5 V OUT = 0V
3.0
2.0
1.5
1.0
T J = 125 ° C
T J = –50 ° C
2.5
2.0
1.5
1.0
0.5
0
0
Δ V OUT = 100mV
2 4 6 8
10 12 14 16 18 20
0.5
0
–50
–25
0
25
50
75
100
125
INPUT/OUTPUT DIFFERENTIAL (V)
1963A G27
Reverse Output Current
TEMPERATURE (°C)
Reverse Output Current
1963A G28
0.8 V OUT = 1.8V (LT1963A-1.8)
5.0
4.5
4.0
3.5
3.0
2.5
L T1963A-1.8
L T1963A-1.5
L T1963A
1.0
V IN = 0V
0.9 V OUT = 1.21V (LT1963A)
V = 1.5V (LT1963A-1.5)
OUT
0.7 V OUT = 2.5V (LT1963A-2.5)
V OUT = 3.3V (LT1963A-3.3)
0.6
LT1963A-1.8/-2.5/-3. 3
0.5
V IN = 0V
CURRENT FLOWS INTO
2.0
1.5
1.0
0.5
0
0
1
2
3
4
5
LT1963A-3. 3 T J = 25°C
LT1963A-2. 5
OUTPUT PIN
V OUT = V ADJ (LT1963A)
V OUT = V FB (LT1963A-1.5/1.8/-2.5/-3.3)
6 7 8 9 10
0.4
0.3
0.2
0.1
0
–50
–25
0
25
50
LT1963A
75
100
125
OUTPUT VOLTAGE (V)
1963A G29
TEMPERATURE (°C)
1963A G30
10
For more information www.linear.com/LT1963A
1963aff
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