参数资料
| 型号： | LT1117IST#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .8A SOT-223 |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 78 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.25 V ~ 13.7 V |
| 输入电压： | 2.45 V ~ 15 V |
| 电压 - 压降（标准）： | 1.1V @ 800mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 800mA |
| 电流 - 限制（最小）： | 800mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-261-4，TO-261AA |
| 供应商设备封装： | SOT-223 |
| 包装： | 管件 |
LT1117/LT1117-2.85
LT1117-3.3/LT1117-5
TYPICAL PERFORMANCE CHARACTERISTICS
LT1117 Ripple Rejection
LT1117 Ripple Rejection
vs Current
Temperature Stability
100
90
80
70
V RIPPLE ≤ 3V P-P
V RIPPLE ≤
0.5V P-P
(V IN – V OUT) ≥ 3V
100
90
80
70
V OUT = 5V
C ADJ = 25μF
C OUT = 25μF
f RIPPLE = 120Hz
V RIPPLE ≤ 3V P-P
2.0
1.0
60
60
50
50
f RIPPLE = 20kHz
0
40
30
20
10
0
(V IN – V OUT) ≥ V DROPOUT
C ADJ = 200μF AT f < 60Hz
C ADJ = 25μF AT f > 60Hz
I OUT = 0.5A
40
30
20
10
0
V RIPPLE ≤ 0.5V P-P
–1.0
–2.0
10
100
1k 10k
100k
0
0.2 0.4 0.6
0.8
–50 –25
0
25
50
75
100 125 150
FREQUENCY (Hz)
Adjust Pin Current
1117 G04
OUTPUT CURRENT (A)
LT1117-2.85
Load Transient Response
1117 G05
TEMPERATURE (°C)
LT1117-5
Load Transient Response
1117 G06
100
90
80
70
60
50
40
30
20
10
0.3
0.2
0.1
0
–0.1
–0.2
0.5
0
C IN = 10μF
C OUT = 10μF TANTALUM
V IN = 4.25V
PRELOAD = 0.1A
0.3
C IN = 10μF
0.2 C OUT = 10μF TANTALUM
V IN = 6.5V
0.1 PRELOAD = 0.1A
0
–0.1
–0.2
0.5
0
0
–50 –25
0
25
50
75
100 125 150
–0.5
0
10 20 30 40 50
60 70 80 90 100
–0.5
0
10 20 30 40 50
60 70 80 90 100
TEMPERATURE (°C)
1117 G07
LT1117-2.85
Line Transient Response
60
C IN = 1μF
40 C OUT = 10μF TANTALUM
I OUT = 0.1A
20
0
–20
–40
5.25
4.25
3.25
TIME (μs)
1117 G08
60
40
20
0
–20
–40
7.50
6.50
5.50
LT1117-5
Line Transient Response
C IN = 1μF
C OUT = 10μF TANTALUM
I OUT = 0.1A
TIME (μs)
1117 G09
0
20 40 60 80 100 120 140 160 180 200
TIME (μs)
1117 G10
0
20 40 60 80 100 120 140 160 180 200
TIME (μs)
1117 G11
1117fd
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1117ISTTR | 制造商:LINER 制造商全称:Linear Technology 功能描述:800mA Low Dropout Positive Regulators Adjustable and Fixed 2.85V, 3.3V, 5V |
| LT1117IST-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:800mA Low Dropout Positive Regulators Adjustable and Fixed 2.85V, 3.3V, 5V |
| LT1117ISTTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:800mA Low Dropout Positive Regulators Adjustable and Fixed 2.85V, 3.3V, 5V |
| LT1117IST-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:800mA Low Dropout Positive Regulators Adjustable and Fixed 2.85V, 3.3V, 5V |
| LT1118 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5V Output |
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