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参数资料
| 型号： | LTC3388IMSE-3#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 8/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 50MA 10MSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 2.8V，3V，3.3V，5V |
| 输入电压： | 2.7 V ~ 20 V |
| 电流 - 输出： | 50mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-MSOP 裸露焊盘 |
LTC3388-1/LTC3388-3
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs I LOAD , L = 22μH
(LTC3388-3)
Efficiency vs I LOAD , L = 100μH
(LTC3388-3)
100
90
80
70
60
50
40
30
V IN = 6.0V
100
90
80
70
60
50
40
30
V IN = 6.0V
20
10
0
1μ
10μ
100μ 1m
V OUT = 5.0V
V OUT = 3.3V
V OUT = 3.0V
V OUT = 2.8V
10m
20
10
0
1μ
10μ
100μ 1m
V OUT = 5.0V
V OUT = 3.3V
V OUT = 3.0V
V OUT = 2.8V
10m
100
95
90
85
80
LOAD CURRENT (A)
338813 G28
Efficiency vs V IN for I LOAD = 50mA,
L = 22μH (LTC3388-3)
100
95
90
85
80
LOAD CURRENT (A)
338813 G29
Efficiency vs V IN for I LOAD = 50mA,
L = 100μH (LTC3388-3)
75
70
4
6
V OUT = 5.0V
V OUT = 3.3V
V OUT = 3.0V
V OUT = 2.8V
8 10
12
14
16
18
20
75
70
4
6
V OUT = 5.0V
V OUT = 3.3V
V OUT = 3.0V
V OUT = 2.8V
8 10
12
14
16
18
20
V IN (V)
338813 G30
V IN (V)
338813 G31
100
90
80
70
60
Efficiency vs V IN for V OUT = 3.3V,
L = 22μH (LTC3388-3)
100
90
80
70
60
Efficiency vs V IN for V OUT = 3.3V,
L = 100μH (LTC3388-3)
50
40
30
4
6
I LOAD = 50mA
I LOAD = 100μA
I LOAD = 50μA
I LOAD = 30μA
I LOAD = 10μA
8 10 12 14
16
18
20
50
40
30
4
6
I LOAD = 50mA
I LOAD = 100μA
I LOAD = 50μA
I LOAD = 30μA
I LOAD = 10μA
8 10 12 14
16
18
20
V IN (V)
338813 G32
V IN (V)
338813 G33
338813f
8
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