Datasheet

2
LT1021
1021fc
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
Input Voltage .......................................................... 40V
Input/Output Voltage Differential ............................ 35V
Output-to-Ground Voltage (Shunt Mode Current Limit)
LT1021-5............................................................. 10V
LT1021-7............................................................. 10V
LT1021-10........................................................... 16V
Trim Pin-to-Ground Voltage
Positive ............................................... Equal to V
OUT
Negative ........................................................... – 20V
Output Short-Circuit Duration
V
IN
= 35V ......................................................... 10 sec
V
IN
≤ 20V ................................................... Indefinite
Operating Temperature Range
Commercial ............................................ 0°C to 70°C
Industrial ........................................... –40°C to 85°C
Military ............................................ – 55°C to 125°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................ 300°C
WU
U
PACKAGE
/
O
RDER I FOR ATIO
T
JMAX
= 150°C, θ
JA
= 150°C/W,θ
JC
= 45°C/W
TOP VIEW
NC*
NC*
NC*
V
IN
V
OUT
TRIM
**
NC*
GND
8
7
6
5
3
2
1
4
H PACKAGE
8-LEAD TO-5 METAL CAN
T
JMAX
= 130°C, θ
JA
= 130°C/W (N)
T
JMAX
= 130°C, θ
JA
= 150°C/W (S)
(Note 1)
1
2
3
4
8
7
6
5
TOP VIEW
DNC*
V
IN
DNC*
GND
DNC*
DNC*
V
0UT
TRIM**
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
*CONNECTED INTERNALLY. DO NOT CONNECT EXTERNAL CIRCUITRY TO THESE PINS.
**NO TRIM PIN ON LT1021-7. DO NOT CONNECT EXTERNAL CIRCUITRY TO PIN 5 ON LT1021-7
ORDER PART NUMBER
*CONNECTED INTERNALLY. DO NOT CONNECT EXTERNAL CIRCUITRY TO THESE PINS.
**NO TRIM PIN ON LT1021-7. DO NOT CONNECT EXTERNAL CIRCUITRY TO PIN 5 ON LT1021-7
OBSOLETE
LT1021BCH-5
LT1021BMH-5
LT1021CCH-5
LT1021CMH-5
LT1021BMH-10
LT1021DCH-5
LT1021DMH-5
LT1021BCH-7
LT1021BMH-7
LT1021DCH-7
LT1021DMH-7
LT1021BCH-10
LT1021CMH-10
LT1021DCH-10
LT1021DMH-10
LT1021BCN8-5
LT1021CCN8-5
LT1021CIN8-5
LT1021DCN8-5
LT1021DIN8-5
LT1021BCN8-7
LT1021DCN8-7
LT1021BCN8-10
LT1021CCN8-10
LT1021CIN8-10
LT1021DCN8-10
LT1021DIN8-10
2105
2107
2110
N8 ORDER PART NUMBER
LT1021DCS8-5
LT1021DCS8-7
LT1021DCS8-10
S8 ORDER PART NUMBER
S8 PART MARKING
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.