参数资料
| 型号： | LT3050MPMSE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 7/26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.
GND Pin Current LT3050-5
GND Pin Current vs I LOAD
SHDN Pin Threshold
2.50
2.25
5.0
V IN = 5.6V
4.5 V OUT = 5V
1.5
1.4
1.3
I L = 1mA
2.00
1.75
1.50
R L = 50Ω, I L = 100mA
4.0
3.5
3.0
1.2
1.1
1.0
0.9
1.25
1.00
0.75
0.50
0.25
R L = 100Ω, I L = 50mA
R L = 5k, I L = 1mA
R L = 500Ω, I L = 10mA
2.5
2.0
1.5
1.0
0.5
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
ON TO OFF
OFF TO ON
0
0
1
2
3 4 5 6 7 8 9 10 11 12
0
0 10 20 30 40 50 60 70 80 90 100
0
–75 –50 –25 0
25 50 75 100 125 150 175
INPUT VOLTAGE (V)
3050 G07
I LOAD (mA)
3050 G08
TEMPERATURE (°C)
3050 G09
SHDN Pin Input Current
SHDN Pin Input Current
ADJ Pin Bias Current
3.0
2.5
2.0
1.5
1.0
0.5
V SHDN = 45V
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
45
40
35
30
25
20
15
10
5
0
–75 –50 –25 0 25 50 75 100 125 150 175
0
0
10
20 30 40
50
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
Internal Current Limit
3050 G10
SHDN PIN VOLTAGE (V)
Internal Current Limit
3050 G11
TEMPERATURE (°C)
Internal Current Limit
vs Output Voltage
3050 G12
350
300
V IN = 12V
V OUT = 0V
250
225
225
200
V IN – V OUT(NOMINAL) = 1V
200
175
250
200
150
175
150
125
100
150
125
100
100
50
0
–75 –50 –25 0 25 50 75 100 125 150 175
75
50
25
0
0
5
T J = 125°C
T J = 25°C CURRENT LIMIT
T J = –40°C AT FAULT
T J = –55°C THRESHOLD
10 15 20 25 30 35 40
45
75
50
25
0
0
5
T J = 125°C
T J = 25°C CURRENT LIMIT
T J = –55°C THRESHOLD
10 15 20 25 30 35 40
T J = –40°C AT FAULT
45
TEMPERATURE (°C)
3050 G13
INPUT/OUTPUT DIFFERENTIAL (V)
3050 G14
OUTPUT VOLTAGE (V)
3050 G15
3050fa
7
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