LT1129CS8 Linear Technology, LT1129CS8 Datasheet - Page 2

• Manufacturer Part Number: LT1129CS8
• Description: IC LDO REG ADJ W/SHTDWN 8-SOIC
• Manufacturer: Linear Technology

Specifications of LT1129CS8

• Regulator Topology: Positive Adjustable
• Voltage - Output: 3.8 ~ 30 V
• Voltage - Input: 4.15 ~ 30 V
• Voltage - Dropout (typical): 0.45V @ 700mA
• Number Of Regulators: 1
• Current - Output: 700mA
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Limit (min): -

ABSOLUTE MAXIMUM RATINGS
LT1129/LT1129-3.3/LT1129-5
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 .......................... Indefi nite
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LT1129CS8#PBF
LT1129IS8#PBF
LT1129CS8-3.3#PBF
LT1129IS8-3.3#PBF
LT1129CS8-5#PBF
2
NOTE: ALL GROUND PINS ARE INTERNALLY CONNECTED
OBSOLETE PACKAGE
SENSE
GND
GND
GND
GND
GND
GND
GND
GND
OUT
GND
TAB
3-LEAD PLASTIC SOT-223
IS
20-LEAD PLASTIC TSSOP
10
1
2
3
4
5
6
7
8
9
θ
θ
ST PACKAGE
JA
FRONT VIEW
JA
F PACKAGE
TOP VIEW
= 40°C/W
= 50°C/W
TAPE AND REEL
LT1129CS8#TRPBF
LT1129IS8#TRPBF
LT1129CS8-3.3#TRPBF
LT1129IS8-3.3#TRPBF
LT1129CS8-5#TRPBF
3
2
1
20
19
18
17
16
15
14
13
12
11
OUTPUT
GND
V
IN
GND
GND
GND
GND
GND
GND
IN
SHDN
GND
GND
PART MARKING*
1129
1129I
11293
1129I3
11295
*PIN 2 = SENSE FOR LT1129-3.3/LT1129-5
GND
TAB
IS
(Note 1)
= ADJ FOR LT1129
5-LEAD PLASTIC DD
θ
FRONT VIEW
JA
Q PACKAGE
= 30°C/W
Storage Temperature Range .................. – 65°C to 150°C
Operating Junction Temperature Range (Note 3)
Lead Temperature (Soldering, 10 sec) .................. 300°C
* For applications requiring input voltage ratings greater than 30V, contact the factory.
*PIN 2 = SENSE FOR LT1129-3.3/LT1129-5 = ADJ FOR LT1129
5
4
3
2
1
GND
PACKAGE DESCRIPTION
8-Lead Plastic SO
8-Lead Plastic SO
8-Lead Plastic SO
8-Lead Plastic SO
8-Lead Plastic SO
TAB
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
IS
V
SHDN
GND
SENSE/ADJ*
OUTPUT
IN
5-LEAD PLASTIC TO-220
θ
FRONT VIEW
JA
T PACKAGE
= 50°C/W
5
4
3
2
1
*PIN 2 = SENSE FOR LT1129-3.3/LT1129-5
OUTPUT
SENSE/
ADJ*
GND
NC
V
SHDN
GND
SENSE/ADJ*
OUTPUT
= ADJ FOR LT1129
1
2
3
4
IN
8-LEAD PLASTIC SO
θ
JA
S8 PACKAGE
TOP VIEW
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
= 60°C/W
8
7
6
5
V
GND
GND
SHDN
IN
112935ff