参数资料
型号: LT1110CS8#PBF
厂商: Linear Technology
文件页数: 4/16页
文件大小: 0K
描述: IC REG BUCK BOOST ADJ 0.4A 8SOIC
标准包装: 100
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 可调
输入电压: 1 V ~ 30 V
频率 - 开关: 70kHz
电流 - 输出: 400mA
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 8-SOIC
LT1110
TYPICAL PERFOR A CE C HARA C TERISTICS
Saturation Voltage
Duty Cycle
Switch Saturation Voltage
Step-Up Mode
78
76
74
72
500
450
400
350
V IN = 1.5V
I SW = 500mA
1.4
1.2
1.0
V IN = 1.5V
V IN = 2.0V
V IN = 3.0V
70
300
0.8
68
66
250
200
0.6
V IN = 1.2V
V IN = 5.0V
64
62
60
150
100
50
0.4
0.2
V IN = 1.0V
58
–50
–25
0
25
50
75
100
0
–50
– 25
0
25
50
75
100
0
0
0.2
0.4
0.6
0.8 1.0
1.2
1.4
1.6
TEMPERATURE ( ° C)
Switch On Voltage
LT1110 ? TPC04
TEMPERATURE ( ° C)
LT1110 ? TPC05
Minimum/Maximum Frequency vs
I SWITCH (A)
LT1110 ? TPC06
1.4
1.2
1.0
0.8
Step-Down Mode
V IN = 12V
100
95
90
85
80
75
On Time
0 ° C ≤ T A ≤ 70 ° C
400
380
360
340
320
Quiescent Current
70
300
0.6
0.4
0.2
65
60
55
50
45
280
260
240
220
0
0
0.2
0.4
0.6
0.8
1.0
40
7
8
9
10
11
12
13
200
0
3
6
9
12 15 18 21 24 27 30
I SWITCH (A)
LT1110 ? TPC07
SWITCH ON TIME ( μ s)
LT1110 ? TPC08
INPUT VOLTAGE (V)
LT1110 ? TPC09
Maximum Switch Current vs
Maximum Switch Current vs
500
Quiescent Current
1.5
R LIM Step-Up
1.5
R LIM Step-Down
450
400
1.3
1.1
1.3
1.1
350
300
0.9
STEP-UP MODE
V IN ≤ 5V
0.9
STEP-DOWN MODE
250
200
150
100
0.7
0.5
0.3
0.1
0.7
0.5
0.3
0.1
V IN = 12V
–50
–25
0
25
50
75
100
10
100
1000
10
100
1000
TEMPERATURE ( ° C)
LT1110 ? TPC10
R LIM ( ? )
LT1110 ? TPC11
R LIM ( ? )
LT1110 ? TPC12
4
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