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参数资料
| 型号： | LT1129MPST-3.3#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V .7A 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： | 3.3V |
| 输入电压： | 4.15 V ~ 30 V |
| 电压 - 压降（标准）： | 0.45V @ 700mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 700mA |
| 工作温度： | -55°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： | 带卷 (TR) |
LT1129/LT1129-3.3/LT1129-5
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Voltage ...................................................... ± 30V*
Output Pin Reverse Current ................................. 10mA
Sense Pin Current ................................................ 10mA
Adjust Pin Current ................................................ 10mA
Sense Pin, Adjust Pin Reverse Voltage ............... – 0.6V
Shutdown Pin Input Voltage (Note 2) ......... 6.5V, – 0.6V
Shutdown Pin Input Current (Note 2) .................. 20mA
Output Short-Circuit Duration .......................... Inde?nite
Storage Temperature Range.................. – 65°C to 150°C
Operating Junction Temperature Range (Note 3)
LT1129C-X .......................................... 0°C to 125°C
LT1129C-X Extended Temperature Range
(Note 12) ....................................... –40°C to 125°C
LT1129I-X(Note 12) ......................... –40°C to 125°C
LT1129MP-X(Note 12) ..................... –55°C to 125°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
* For applications requiring input voltage ratings greater than 30V, contact the factory.
PIN CONFIGURATION
TOP VIEW
GND
GND
1
2
20 GND
19 GND
GND
3
18 GND
FRONT VIEW
TOP VIEW
SENSE/ 2
GND
GND
GND
OUT
SENSE
4
5
6
7
8
17 GND
16 GND
15 GND
14 IN
13 SHDN
TAB
IS
GND
5
4
3
2
1
V IN
SHDN
GND
SENSE/ADJ*
OUTPUT
OUTPUT 1
ADJ*
GND 3
NC 4
8 V IN
7 GND
6 GND
5 SHDN
GND
9
12 GND
Q PACKAGE
5-LEAD PLASTIC DD
S8 PACKAGE
8-LEAD PLASTIC SO
GND 10
11 GND
*PIN 2 = SENSE FOR LT1129-3.3/LT1129-5
*PIN 2 = SENSE FOR LT1129-3.3/LT1129-5
F PACKAGE
20-LEAD PLASTIC TSSOP
NOTE: ALL GROUND PINS ARE INTERNALLY CONNECTED
θ JA = 40°C/W
OBSOLETE PACKAGE
FRONT VIEW
= ADJ FOR LT1129
θ JA = 30°C/W
FRONT VIEW
= ADJ FOR LT1129
θ JA = 60°C/W
TAB
IS
GND
3
2
1
OUTPUT
GND
V IN
TAB
IS
GND
5
4
3
2
1
V IN
SHDN
GND
SENSE/ADJ*
OUTPUT
ST PACKAGE
3-LEAD PLASTIC SOT-223
θ JA = 50°C/W
ORDER INFORMATION
T PACKAGE
5-LEAD PLASTIC TO-220
*PIN 2 = SENSE FOR LT1129-3.3/LT1129-5 = ADJ FOR LT1129
θ JA = 50°C/W
LEAD FREE FINISH
LT1129CS8#PBF
LT1129IS8#PBF
LT1129CS8-3.3#PBF
LT1129IS8-3.3#PBF
LT1129CS8-5#PBF
TAPE AND REEL
LT1129CS8#TRPBF
LT1129IS8#TRPBF
LT1129CS8-3.3#TRPBF
LT1129IS8-3.3#TRPBF
LT1129CS8-5#TRPBF
PART MARKING*
1129
1129I
11293
1129I3
11295
PACKAGE DESCRIPTION
8-Lead Plastic SO
8-Lead Plastic SO
8-Lead Plastic SO
8-Lead Plastic SO
8-Lead Plastic SO
TEMPERATURE RANGE
0°C to 125°C
–40°C to 125°C
0°C to 125°C
–40°C to 125°C
0°C to 125°C
112935ff
2
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