参数资料
| 型号： | LT3050MPMSE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 9/26页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .1A 12MSOP |
| 产品培训模块： | LT3050 - 100mA, Low Noise Linear Regulator With Precision Current Limit And Diagnostic Functions |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 0.6 V ~ 44.5 V |
| 输入电压： | 1.6 V ~ 45 V |
| 电压 - 压降（标准）： | 0.34V @ 100mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 100mA |
| 电流 - 限制（最小）： | 110mA |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-TSSOP （0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 12-MSOP，裸露焊盘 |
| 包装： | 带卷 (TR) |
LT3050 Series
TYPICAL PERFORMANCE CHARACTERISTICS
T J = 25°C, unless otherwise noted.
Output Noise Spectral Density
C REF/BYP = 0, C FF = 0
Output Noise Spectral Density
vs C REF/BYP , C FF = 0
Output Noise Spectral Density
vs C FF , C REF/BYP = 10nF
10
1
10
1
V OUT = 5V
C REF/BYP = 100pF
10
1
C FF = 0
V OUT = 0.6V
C FF = 10nF
0.1
0.01
10
V OUT = 5V
V OUT = 3.3V
V OUT = 2.5V
V OUT = 1.8V
V OUT = 1.5V
V OUT = 1.2V
V OUT = 0.6V
100
C OUT = 10μF
I L = 100mA
1K 10K 100k
0.1
0.01
C REF/BYP = 10nF
C OUT = 10μF
I L = 100mA
10 100
C REF/BYP = 1nF
1k 10k
100k
0.1
0.01
V OUT = 5V
C OUT = 10μF
I L = 100mA
10 100
C FF = 1nF
1k
C FF = 100pF
10k
100k
FREQUENCY (Hz)
3050 G22
FREQUENCY (Hz)
3050 G23
FREQUENCY (Hz)
3050 G23a
RMS Output Noise vs Load
Current vs C REF/BYP
RMS Output Noise vs Load
Current C REF/BYP = 10nF
RMS Output Noise
vs Feedforward Capacitor (C FF )
C REF/BYP = 1nF
V OUT = 1.8V
V OUT = 1.5V
V OUT = 5V
C REF/BYP = 10nF
I FB-DIVIDER = 5μA
V OUT = 2.5V
V OUT = 1.5V
110
V OUT = 0.6V
100 C OUT = 10μF
90
80
70
60
50
40
30
20 C REF/BYP = 10nF
10
C REF/BYP = 0
C REF/BYP = 10pF
C REF/BYP = 100pF
C REF/BYP = 100nF
170
160 f OUT = 10Hz TO 100kHz
150 C OUT = 10μF
140
130 V OUT = 2.5V
120
110
100
90
80
70
60
50
40
30
20
10
V OUT = 5V
V OUT = 3.3V
V OUT = 1.2V
V OUT = 0.6V
120
110
100 V OUT = 3.3V C OUT = 10μF
90
80
70
60
50
40
30
20 V OUT = 1.8V V OUT = 1.2V V OUT = 0.6V
10
f = 10Hz TO 100kHz
I L = 100mA
0
0.01
0.1
1
10
100
0
0.01
0.1
1
10
100
0
10p
100p
1n 10n
60
50
40
30
20
LOAD CURRENT (mA)
Startup Time
vs REF/BYP Capacitor
3050 G24
V OUT
100μV/DIV
LOAD CURRENT (mA)
3050 G25
5V 10Hz to 100kHz Output Noise
C REF/BYP = 10nF, C FF = 0
V OUT
100μV/DIV
FEEDFORWARD CAPACITOR, C FF (F)
3050 G25a
5V 10Hz to 100kHz Output Noise
C REF/BYP = 10nF, C FF = 10nF
10
C OUT = 10μF
I LOAD = 100mA
1ms/DIV
3050 G27
C OUT = 10μF
I LOAD = 100mA
1ms/DIV
3050 G26
0
0
10 20 30 40 50 60 70 80 90 100
REF/BYP CAPACITOR (nF)
3050 G33
3050fa
9
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