LT1129 Linear Technology, LT1129 Datasheet - Page 2

• Manufacturer Part Number: LT1129
• Description: Micropower Low Dropout Regulators with Shutdown
• Manufacturer: Linear Technology

Input Voltage ...................................................... 30V*
Output Pin Reverse Current ................................. 10mA
Sense Pin Current ................................................ 10mA
Adjust Pin Current ............................................... 10mA
Shutdown Pin Input Voltage (Note 1) ........ 6.5V, – 0.6V
Shutdown Pin Input Current (Note 1) .................. 20mA
Output Short-Circuit Duration ......................... Indefinite
A
Consult factory for Military grade parts.
ELECTRICAL C
PARAMETER
Regulated Output Voltage
(Notes 3,11)
Line Regulation (Note 11)
Load Regulation (Note 11)
LT1129/LT1129-3.3/LT1129-5
PACKAGE/ORDER I FOR ATIO
2
*PIN 2 = SENSE FOR LT1129-3.3/LT1129-5
BSOLUTE
GND
TAB
IS
ORDER PART NUMBER
= ADJ FOR LT1129
LT1129CQ
LT1129CQ-3.3
LT1129CQ-5
LT1129IQ
LT1129IQ-3.3
LT1129IQ-5
FRONT VIEW
Q PACKAGE
5-LEAD DD
JA
30 C/ W
5
4
3
2
1
W
V
SHDN
GND
SENSE/ADJ*
OUTPUT
IN
A
HARA TERISTICS
XI
W
CONDITIONS
LT1129-3.3
LT1129-5
LT1129 (Note 4)
LT1129-3.3
LT1129-5
LT1129 (Note 4)
LT1129-3.3
LT1129-5
LT1129 (Note 4)
U
C
U
W
LT1129CS8
LT1129CS8-3.3
LT1129CS8-5
LT1129IS8
LT1129IS8-3.3
LT1129IS8-5
ORDER PART
*PIN 2 = SENSE FOR LT1129-3.3/LT1129-5
OUTPUT
NUMBER
SENSE/
ADJ*
GND
R
NC
= ADJ FOR LT1129
A
1
2
3
4
W
8-LEAD PLASTIC SO
TI
S8 PACKAGE
JA
TOP VIEW
V
4.3V < V
V
6V < V
V
4.8V < V
U
IN
IN
IN
V
V
V
I
I
I
I
I
I
60 C/ W
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
IN
IN
IN
G
= 3.8V, I
= 5.5V, I
= 4.3V, I
= 4.8V to 20V, I
= 5.5V to 20V, I
= 4.3V to 20V, I
IN
= 1mA to 700mA, T
= 1mA to 700mA
= 1mA to 700mA, T
= 1mA to 700mA
= 1mA to 700mA, T
= 1mA to 700mA
S
IN
IN
MARKING
< 20V, 1mA < I
U
8
7
6
5
< 20V, 1mA < I
< 20V, 1mA < I
1129
11293
11295
PART
OUT
OUT
OUT
V
GND
GND
SHDN
IN
= 1mA, T
= 1mA, T
= 1mA, T
Storage Temperature Range ................ – 65 C to 150 C
Operating Junction Temperature Range (Note 2)
Lead Temperature (Soldering, 10 sec).................. 300 C
* For applications requiring input voltage ratings greater than 30V, contact the factory.
OUT
OUT
OUT
OUT
ORDER PART NUMBER
J
J
J
= 1mA
= 1mA
= 1mA
OUT
OUT
LT1129C-X ......................................... 0 C to 125 C
LT1129C-X Extended Temperature Range
(Note 11) ....................................... –40 C to 125 C
LT1129I-X ..................................... –40 C to 125 C
GND
TAB
= 25 C
= 25 C
= 25 C
J
J
J
3-LEAD PLASTIC SOT-223
< 700mA
IS
= 25 C
= 25 C
= 25 C
LT1129CST-3.3
LT1129CST-5
LT1129IST-3.3
LT1129IST-5
< 700mA
< 700mA
FRONT VIEW
ST PACKAGE
JA
50 C/ W
3
2
1
OUTPUT
GND
V
IN
TAB IS
3.250
3.200
4.925
4.850
3.695
3.640
GND
*PIN 2 = SENSE FOR LT1129-3.3/LT1129-5
MIN
ORDER PART NUMBER
= ADJ FOR LT1129
5-LEAD TO-220
FRONT VIEW
3.300
3.300
5.000
5.000
3.750
3.750
T PACKAGE
TYP
1.5
1.5
1.5
15
20
15
6
6
6
JA
LT1129CT
LT1129CT-3.3
LT1129CT-5
LT1129IT
LT1129IT-3.3
LT1129IT-5
50 C/ W
5
4
3
2
1
3.350
3.400
5.075
5.150
3.805
3.860
MAX
10
10
10
20
30
20
30
20
30
V
GND
OUTPUT
IN
SHDN
SENSE/ADJ*
UNITS
mV
mV
mV
mV
mV
mV
mV
mV
mV
V
V
V
V
V
V