Datasheet

2
LT1019
1019fd
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
Input Voltage .......................................................... 40V
Output Voltage (Note 2)
LT1019-5, LT1019-10 ........................................ 16V
LT1019-2.5, LT1019-4.5 ...................................... 7V
Output Short-Circuit Duration (Note 2)
V
IN
< 20V .................................................... Indefinite
20V ≤ V
IN
≤ 35V ............................................. 10 sec
Specified Temperature Range
Commercial ............................................. 0°C to 70°C
Industrial ............................................ –40°C to 85°C
Military ............................................. –55°C to 125°C
Trim Pin Voltage ................................................... ±30V
Temp Pin Voltage ..................................................... 5V
Storage Temperature Range (Note 11) – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
WU
U
PACKAGE
/
O
RDER I FOR ATIO
S8 PART
MARKING
ORDER PART
NUMBER
LT1019ACN8-2.5
LT1019ACN8-4.5
LT1019ACN8-5
LT1019ACN8-10
LT1019CN8-2.5
LT1019CN8-4.5
T
JMAX
= 100°C, θ
JA
= 130°C/W
LT1019CN8-5
LT1019CN8-10
LT1019IN8-2.5
LT1019IN8-4.5
LT1019IN8-5
LT1019IN8-10
T
JMAX
= 150°C, θ
JA
= 150°C/ W, θ
JC
= 45°C/W
TOP VIEW
DNC*
DNC*
DNC*
INPUT
OUTPUT
TRIM
TEMP
GND (CASE)
8
7
6
5
3
2
1
4
H PACKAGE
8-LEAD TO-5 METAL CAN
*INTERNALLY CONNECTED. DO NOT
CONNECT EXTERNALLY
ORDER PART
NUMBER
019A25
1019A5
19AI25
019AI5
1925
1945
1905
1910
19I25
19I05
(Note 1)
ORDER PART
NUMBER
1
2
3
4
8
7
6
5
TOP VIEW
DNC*
INPUT
TEMP
GND
DNC*
DNC*
OUTPUT
TRIM
N8 PACKAGE
8-LEAD PDIP
*INTERNALLY CONNECTED. DO NOT
CONNECT EXTERNALLY.
T
JMAX
= 100°C, θ
JA
= 130°C/W
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
DNC*
INPUT
TEMP
GND
DNC*
DNC*
OUTPUT
TRIM
*INTERNALLY CONNECTED. DO NOT
CONNECT EXTERNALLY.
LT1019ACH-2.5
LT1019ACH-4.5
LT1019ACH-5
LT1019ACH-10
LT1019AMH-2.5
LT1019AMH-4.5
LT1019AMH-5
LT1019AMH-10
LT1019CH-2.5
LT1019CH-4.5
LT1019CH-5
LT1019CH-10
LT1019MH-2.5
LT1019MH-4.5
LT1019MH-5
LT1019MH-10
LT1019ACS8-2.5
LT1019ACS8-5
LT1019AIS8-2.5
LT1019AIS8-5
LT1019CS8-2.5
LT1019CS8-4.5
LT1019CS8-5
LT1019CS8-10
LT1019IS8-2.5
LT1019IS8-5
OBSOLETE
CONSIDER THE N8 OR S8 FOR
ALTERNATE SOURCES.