参数资料
型号: LT1579IGN#TRPBF
厂商: Linear Technology
文件页数: 5/20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
Guaranteed Dropout Voltage
Dropout Voltage
Quiescent Current
R L = ∞ (FIXED)
0.8
0.7
0.6
0.5
= TEST POINTS
T J ≤ 125 ° C
T J = 25 ° C
0.7
0.6
0.5
0.4
A: I LOAD = 300mA
B: I LOAD = 150mA
C: I LOAD = 100mA
D: I LOAD = 50mA
E: I LOAD = 10mA
F: I LOAD = 1mA
A
B
C
100
90
80
70
60
V IN = 6V
R L = 500k (ADJUSTABLE)
OPERATING
QUIESCENT
0.4
50
CURRENT
0.3
0.3
D
40
0.2
0.1
0.2
0.1
E
F
30
20
10
STANDBY
QUIESCENT
CURRENT
0
0
50
100 150 200
250
300
0
– 50 – 25
0
25
50
75
100
125
0
– 50 –25
0
25
50
75
100
125
7
OUTPUT CURRENT (mA)
1579 G35
Quiescent Current in Shutdown
V IN1 = 20V
3.08
TEMPERATURE ( ° C)
LT1579-3 Output Voltage
I LOAD = 1mA
1579 G01
3.38
TEMPERATURE ( ° C)
LT1579-3.3 Output Voltage
I LOAD = 1mA
1579 G02
6
5
V IN2 = 6V
V SHDN = 0V
3.06
3.04
3.02
3.36
3.34
3.32
4
3
I VIN1
3.00
2.98
3.30
2.28
2
1
I VIN2
2.96
2.94
2.26
2.24
0
– 50 – 25
0
25
50
75
100
125
2.92
– 50 – 25
0
25
50
75
100
125
2.22
– 50 – 25
0
25
50
75
100
125
TEMPERATURE ( ° C)
LT1579-5 Output Voltage
1579 G36
TEMPERATURE ( ° C)
Adjust Pin Voltage
1579 G03
TEMPERATURE ( ° C)
Input Current
1579 G04
5.12
5.09
I LOAD = 1mA
1.54
1.53
I LOAD = 1mA
60
50
I IN2
I IN1
5.06
5.03
5.00
4.97
4.94
4.91
1.52
1.51
1.50
1.49
1.48
1.47
40
30
20
10
V OUT = 5V
V IN2 = 6V
I LOAD = 0
4.88
– 50 – 25
0
25
50
75
100
125
1.46
– 50 – 25
0
25
50
75
100
125
0
–0.2 –0.1 0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
TEMPERATURE ( ° C)
1579 G05
TEMPERATURE ( ° C)
1579 G05
V IN1 – V OUT (V)
1579 G07
5
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