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参数资料
| 型号： | LT3022EMSE-1.2#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.2V 1A 16-MSOP |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.2V |
| 输入电压： | 最高 10V |
| 电压 - 压降（标准）： | 0.145V @ 1A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1A |
| 电流 - 限制（最小）： | 1.1A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TFSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 16-MSOP，裸露焊盘 |
| 包装： | 带卷 (TR) |
LT3022/LT3022-1.2
LT3022-1.5/LT3022-1.8
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C.
PARAMETER
Minimum Input Voltage (Notes 4, 6)
CONDITIONS
I LOAD = 1A, T A > 0°C
I LOAD = 1A, T A ≤ 0°C
MIN
TYP
0.9
0.9
MAX
1.05
1.10
UNITS
V
V
ADJ Pin Voltage (Notes 5, 6)
V IN = 1.5V, I LOAD = 1mA
1.15V < V IN < 10V, 1mA < I LOAD < 1A
l
196
194
200
200
204
206
mV
mV
Regulated Output Voltage (Note 5)
Line Regulation (Note 7)
Load Regulation (Note 7)
Dropout Voltage (Notes 8, 9)
LT3022-1.2
LT3022-1.5
LT3022-1.8
LT3022
LT3022-1.2
LT3022-1.5
LT3022-1.8
LT3022
LT3022-1.2
LT3022-1.5
LT3022-1.8
I LOAD = 10mA
V IN = 1.5V, I LOAD = 1mA
1.5V < V IN < 10V, 1mA < I LOAD <1A
V IN = 1.8V, I LOAD = 1mA
1.8V < V IN < 10V, 1mA < I LOAD <1A
V IN = 2.1V, I LOAD = 1mA
2.1V < V IN < 10V, 1mA < I LOAD <1A
?V IN = 1.15V to 10V, I LOAD = 1mA
?V IN = 1.5V to 10V, I LOAD = 1mA
?V IN = 1.8V to 10V, I LOAD = 1mA
?V IN = 2.1V to 10V, I LOAD = 1mA
V IN = 1.15V, ?I LOAD = 1mA to 1A
V IN = 1.5V, ?I LOAD = 1mA to 1A
V IN = 1.8V, ?I LOAD = 1mA to 1A
V IN = 2.1V, ?I LOAD = 1mA to 1A
l
l
l
l
l
l
l
l
l
l
l
l
1.176
1.164
1.470
1.455
1.764
1.746
–1.5
–9
–11
–13.5
–0.5
–1.0
–3
–6
–3.8
–7.5
–4.5
–9
1.200
1.200
1.500
1.500
1.800
1.800
–0.1
0.6
0.8
1
0.1
0.6
1
1.2
45
1.224
1.236
1.530
1.545
1.836
1.854
0.5
3.5
4
5
0.5
1.0
3
6
3.8
7.5
4.5
9
75
135
V
V
V
V
V
V
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
I LOAD = 100mA
I LOAD = 500mA
I LOAD = 1A
l
l
l
55
110
145
90
175
150
235
185
285
mV
mV
mV
mV
mV
mV
GND Pin Current, V IN = V OUT(NOMINAL) + 0.4V
(Notes 9, 10)
Output Voltage Noise
ADJ Pin Bias Current (Notes 7, 11)
I LOAD = 0mA
I LOAD = 1mA
I LOAD = 100mA
I LOAD = 500mA
I LOAD = 1A
C OUT = 10μF, I LOAD = 1A, BW = 10Hz to 100kHz,
V OUT = 1.2V
V ADJ = 0.2V, V IN = 1.5V
l
l
l
l
400
1.2
3.4
8.3
18
165
30
3.5
8.5
20
36
100
μA
mA
mA
mA
mA
μV RMS
nA
Shutdown Threshold
SHDN Pin Current (Note 12)
Quiescent Current in Shutdown
V OUT = Off to On
V OUT = On to Off
V SHDN = 0V, V IN = 10V
V SHDN = 10V, V IN = 10V
V IN = 6V, V SHDN = 0V
l
l
l
l
0.25
0.64
0.64
3
7.5
0.9
±1
9.5
15
V
V
μA
μA
μA
3022fb
4
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