参数资料
| 型号： | LT1175MPS8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO NEG ADJ .5A 8SOIC |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 负，可调式 |
| 输出电压： | -3.8 V ~ -19.9 V |
| 输入电压： | -4.3 V ~ -20 V |
| 电压 - 压降（标准）： | 0.5V @ 500mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA |
| 电流 - 限制（最小）： | 可调式 |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
LT1175
ORDER INFORMATION
LEAD FREE FINISH
LT1175IT
LT1175IT-5
LT1175MPS8
LT1175MPS8-5
LT1175MPQ
LT1175MPQ-5
TAPE AND REEL
LT1175IT#TR
LT1175IT-5#TR
LT1175MPS8#TR
LT1175MPS8-5#TR
LT1175MPQ#TR
LT1175MPQ-5#TR
PART MARKING*
LT1175IT
LT1175IT-5
1175MP
175MP5
LT1175MPQ
LT1175MPQ-5
PACKAGE DESCRIPTION
5-Lead Plastic TO-220
5-Lead Plastic TO-220
8-Lead Plastic SO
8-Lead Plastic SO
5-Lead Plastic DD-Pak
5-Lead Plastic DD-Pak
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–55°C to 125°C
–55°C to 125°C
–55°C to 125°C
–55°C to 125°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges. *The temperature grade is identi?ed by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V OUT = 5V, V IN = 7V, I OUT = 0, V SHDN = 3V, I LIM2 and I LIM4 tied to V IN .
To avoid confusion with “min” and “max” as applied to negative voltages, all voltages are shown as absolute values except where
polarity is not obvious.
PARAMETER
Feedback Sense Voltage
Output Voltage Initial Accuracy
Output Voltage Accuracy (All Conditions)
CONDITIONS
Adjustable Part
Fixed 5V Part
Adjustable, Measured at 3.8V Sense
Fixed 5V
V IN – V OUT = 1V to V IN = 20V, I OUT = 0A to 500mA
l
MIN
3.743
4.93
TYP
3.8
5.0
0.5
0.5
1.5
MAX
3.857
5.075
1.5
1.5
2.5
UNITS
V
V
%
%
%
P = 0 to P MAX , T J = T MIN to T MAX (Note 4)
Quiescent Input Supply Current
GND Pin Current Increase with Load (Note 5)
Input Supply Current in Shutdown
Shutdown Thresholds (Note 10)
SHDN Pin Current (Note 3)
Output Bleed Current in Shutdown (Note 7)
SENSE Pin Input Current
Dropout Voltage (Note 8)
V IN – V OUT ≤ 12V
V SHDN = 0V
Either Polarity On SHDN Pin (C-, I-Grades)
Either Polarity On SHDN Pin (MP-Grade)
V SHDN = 0V to 10V (Flows Into Pin)
V SHDN = –15V to 0V (Flows Into Pin)
V OUT = 0V, V IN = 15V
(Adjustable Part Only, Current Flows Out of Pin)
(Fixed Voltage Only, Current Flows Out of Pin)
I OUT = 25mA
I OUT = 100mA
I OUT = 500mA
I LIM2 Open, I OUT = 300mA
I LIM4 Open, I OUT = 200mA
I LIM2 , I LIM4 Open, I OUT = 100mA
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
0.8
0.8
45
10
10
4
1
0.1
1
75
12
0.1
0.18
0.5
0.33
0.3
0.26
65
80
20
20
25
2.5
2.6
8
4
1
5
150
20
0.2
0.26
0.7
0.5
0.45
0.45
μA
μA
μA/mA
μA
μA
V
V
μA
μA
μA
μA
nA
μA
V
V
V
V
V
V
1175ff
4
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