参数资料
| 型号： | LT3050MPMSE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 8/26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： | 37 |
| 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： | 管件 |
LT3050 Series
TYPICAL PERFORMANCE CHARACTERISTICS
T J = 25°C, unless otherwise noted.
Reverse Output Current
Reverse Output Current
Input Ripple Rejection
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
ALL PINS GROUNDED EXCEPT FOR OUT
50
V OUT = V ADJ = 1.2V
45 V IN = 0
40
35
30
25
20
15
10
I ADJ
90
80
70
60
50
40
30
20 I L = 100mA
C OUT = 10μF
C REF/BYP = 10nF
C REF/BYP = 100pF
C REF/BYP = 0
I OUT
0.1
0
0
10
20 30
40
50
5
0
–75 –50 –25 0 25 50 75 100 125 150 175
10 V OUT = 5V
V IN = 5.8V + 50mV RMS RIPPLE
0
10 100 1K 10K 100K
1M
10M
V OUT (V)
Input Ripple Rejection
3050 G16
TEMPERATURE (°C)
3050 G17
Ripple Rejection vs Temperature
FREQUENCY (Hz)
Minimum Input Voltage
3050 G18
90
80
C OUT = 10μF
C OUT = 2.2μF
100
90
C OUT = 10μF
C REF/BYP = 10nF
2.2
2.0
I L =100mA
I L = 100mA
V OUT = 5V
70
60
50
40
30
20 I L = 100mA
C REF/BYP = 100pF
10 V OUT = 5V
V IN = 5.8V + 50mV RMS RIPPLE
0
10 100 1K 10K 100K
1M
10M
80
70
60
50
40
30
20
10
V IN = 5.8V + 0.5V P-P RIPPLE AT f = 120Hz
0
–75 –50 –25 0 25 50 75 100 125 150 175
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
–75 –50 –25 0 25 50 75 100 125 150 175
FREQUENCY (Hz)
3050 G19
Load Regulation
4
ΔI L = 1mA TO 100mA
3 V OUT = 0.6V
V IN = 2.2V
2
1
0
–1
–2
–3
–4
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3050 G21
TEMPERATURE (°C)
3050 G19a
Load Regulation
–0
–3
–6
–9
–12
–15
–18
–21
–24
–27 ΔI L = 1mA TO 100mA
–30 V OUT = 3.3V
V IN = 3.9V
–33
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3050 G21a
TEMPERATURE (°C)
3050 G20
Load Regulation
–0
–5
–10
–15
–20
–25
–30
–35
–40
ΔI L = 1mA TO 100mA
–45 V OUT = 5V
V IN = 5.6V
–50
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3050 G21b
3050fa
8
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