参数资料
| 型号： | LT1118CST-5#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/8页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V .8A SOT223 |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 2,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 15V |
| 电压 - 压降（标准）： | 1V @ 800mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 800mA |
| 工作温度： | 0°C ~ 70°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： | 带卷 (TR) |
LT1118/LT1118-2.5
LT1118-2.85/LT1118-5
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. (Note 2)
PARAMETER
Quiescent Current (V IN )
Quiescent Current in Shutdown (V IN )
CONDITIONS
V EN = 5V
V EN = 0V
l
l
MIN
TYP
0.6
1
MAX
1
10
UNITS
mA
μA
Enable Input Thresholds
Enable Input Current
Feedback Voltage
Output Voltage
Line Regulation (Note 4)
Load Regulation (Note 4)
Input Low Level
Input High Level
0V ≤ V EN ≤ 5V
No Load (25°C) (LT1118)
All Operating Conditions (Note 3)
No Load (25°C) (LT1118-2.5)
All Operating Conditions (Note 3)
No Load (25°C) (LT1118-2.85)
All Operating Conditions (Note 3)
No Load (25°C) (LT1118-5)
All Operating Conditions (Note 3)
I L = 0mA, 4.2V ≤ V IN ≤ 15V (LT1118)
I L = 0mA, 4.2V ≤ V IN ≤ 15V (LT1118-2.5)
I L = 0mA, 4.75V ≤ V IN ≤ 15V (LT1118-2.85)
I L = 0mA, 6.5V ≤ V IN ≤ 15V (LT1118-5)
0mA ≤ I L ≤ 800mA (LT1118)
– 400mA ≤ I L ≤ 0mA
l
l
l
l
l
l
l
l
l
l
l
l
l
0.4
–1
1.213
1.200
2.47
2.45
2.82
2.79
4.95
4.90
1.4
1.4
1.225
1.225
2.5
2.5
2.85
2.85
5
5
2
25
1.237
1.250
2.53
2.55
2.88
2.91
5.05
5.10
6
6
6
10
6
6
V
V
μA
V
V
V
V
V
V
V
V
mV
mV
mV
mV
mV
mV
0mA ≤ I L ≤ 800mA (LT1118-2.5)
– 400mA ≤ I L ≤ 0mA
0mA ≤ I L ≤ 800mA (LT1118-2.85)
– 400mA ≤ I L ≤ 0mA
0mA ≤ I L ≤ 800mA (LT1118-5)
– 400mA ≤ I L ≤ 0mA
l
l
l
l
l
l
12
12
12
12
25
25
mV
mV
mV
mV
mV
mV
Dropout Voltage (Note 5)
FB Pin Bias Current
Minimum Output Voltage
I L = 100mA
I L = 800mA
LT1118
LT1118
l
0.85
1
0.35
1.1
1.3
1
2.1
V
V
μA
V
Ripple Rejection
Load Transient Settling Time,
Δ V = 1%
f RIPPLE = 120Hz, V IN – V OUT = 2V
V RIPPLE = 0.5V P-P
0mA ≤ I L ≤ 800mA, C LOAD = 1μF
–400mA ≤ I L ≤ 0mA, C LOAD = 1μF
60
80
5
5
dB
μs
μs
Output Short-Circuit Current
Thermal Shutdown Junction Temperature
Enable Turn-On Delay
V OUT = 0V, Sourcing
V OUT = V IN , Sinking
No Load
No Load
800
1200
–700
170
50
–400
mA
mA
°C
μs
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: Unless otherwide speci?ed, testing done at V CC = 5V
(LT1118-2.5, LT1118-2.85) or V CC = 7V (LT1118-5). V EN = V CC .
Note 3: All operating conditions include the combined effects of load
current, input voltage and temperature over each parameter’s full range.
Note 4: Load and line regulation are tested at a constant junction
temperature by low duty cycle pulse testing.
Note 5: Dropout voltage is de?ned as the minimum input to output voltage
measured while sourcing the speci?ed current.
Output C LOAD = 1μF, I LOAD = 0.
1118fd
3
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