参数资料
型号: LT1579IGN#TRPBF
厂商: Linear Technology
文件页数: 8/20页
文件大小: 0K
描述: IC LDO REG SMART DUAL ADJ 16SSOP
标准包装: 2,500
功能: 备份管理
电池化学: 智能电池
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
LT1579
TYPICAL PERFOR M A N CE CHARACTERISTICS
Logic Flag Input Current
Low-Battery Comparator
25
20
15
10
5
(Output High)
25
20
15
10
5
Control Pin Input Current
20
15
10
5
Hysteresis
0
0
1
2
3
4
5
6
7
8
9
0
0
1
2
3
4
5
6
7
8
9
0
0
10
20
30
40
50
LOGIC FLAG VOLTAGE (V)
Low-Battery Comparator
Hysteresis
1579 G22
CONTROL PIN VOLTAGE (V)
Reverse Output Current
1579 G23
I LBO SINK CURRENT ( μ A)
Reverse Output Current
1579 G24
25
20
I LBO(SINK) = 50 μ A
25
20
T J = 25 ° C
V IN1 = V IN2 = 0V
CURRENT FLOWS INTO
OUTPUT PIN
20
18
16
V IN1 = V IN2 = 0V
V OUT = 3V (LT1579-3)
V OUT = 3.3V (LT1579-3.3)
V OUT = 5V (LT1579-5)
14
15
15
12
10
10
5
10
5
LT1579-3.3
LT1579-3
LT1579-5
8
6
4
2
0
– 50 – 25
0
25
50
75
100
125
0
0
1
2
3
4
5
6
7
8
9
0
– 50 –25
0
25
50
75
100
125
TEMPERATURE ( ° C)
Adjust Pin Input Current
1579 G25
OUTPUT VOLTAGE (V)
Current Limit
1579 G26
TEMPERATURE ( ° C)
Current Limit
1579 G27
1.0
0.9
0.8
0.7
T J = 25 ° C
V IN1 = V IN2 = 0V
0.6
0.5
0.4
V OUT = 0V
0.7
0.6
0.5
V IN1 = V IN2 = V OUT(NOMINAL) + 1V
? V OUT = – 0.1V
TYPICAL
0.6
0.4
0.5
0.4
0.3
0.2
0.1
0.3
0.2
0.1
0.3
0.2
0.1
GUARANTEED
0
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
0
1
2
3
4
5
6
7
0
– 50 – 25
0
25
50
75
100
125
8
ADJUST PIN VOLTAGE (V)
1579 G28
INPUT VOLTAGE (V)
1579 G29
TEMPERATURE ( ° C)
1579 G38
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