LT1082 Linear Technology, LT1082 Datasheet - Page 2

• Manufacturer Part Number: LT1082
• Description: 1A High Voltage/ Efficiency Switching Voltage Regulator
• Manufacturer: Linear Technology

LT1082
A
Supply Voltage ....................................................... 75V
Switch Output Voltage .......................................... 100V
Feedback Pin Voltage (Transient, 1ms) ................ 15V
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
2
PACKAGE/ORDER I FOR ATIO
SYMBOL
V
I
g
A
ELECTRICAL C
B
m
REF
V
BSOLUTE
8-LEAD CERAMIC DIP
GND
ORDER PART NUMBER
J8 PACKAGE
T
NC
V
FB
T
T
JMAX
C
JMAX
JMAX
LT1082MJ8
LT1082CN8
LT1082IN8
1
2
3
4
= 150 C,
= 100 C,
= 125 C,
PARAMETER
Reference Voltage
Feedback Input Current
Error Amplifier
Transconductance
Error Amplifier Source or
Sink Current
Error Amplifier Clamp
Voltage
Reference Voltage Line Regulation
Error Amplifier Voltage Gain
Minimum Input Voltage
TOP VIEW
W
JA
JA
JA
= 100 C/W (MJ8)
8-LEAD PLASTIC DIP
= 90 C/W (CN8)
= 90 C/W (IN8)
A
N8 PACKAGE
HARA TERISTICS
XI
8
7
6
5
E2
V
E1
V
W
SW
IN
U
U
C
W
R
A
W
NOTE:
DEPENDING ON BOARD COMPOSITION.
TI
ORDER PART NUMBER
U
T
T
CONDITIONS
Measured at Feedback Pin
V
V
V
Hi Clamp, V
Lo Clamp, V
3V V
0.9V V
JMAX
JA
JMAX
G
C
FB
C
I
C
VARIES FROM 25 C/W TO 50 C/W
= 0.8V
= 1.5V
= V
= 25 A
= 100 C,
LT1082CQ
LT1082IQ
= 125 C,
V
S
FRONT VIEW
IN
IN
Q PACKAGE
5-LEAD DD
REF
U
C
= 15V, V
V
FB
FB
1.4V
MAX
JA
JA
5
4
3
2
1
= 1V
= 40 C/ W (CQ)
= 1.5V
= 40 C/ W (IQ)
, V
Operating Junction Temperature Range
C
C
= 0.5V, V
= 0.8V
V
V
GND
FB
V
LT1082M ......................................... – 55 C to 150 C
LT1082I ........................................... – 40 C to 125 C
LT1082C ............................................... 0 C to 100 C
IN
SW
C
FB
= V
REF
, output pin open, unless otherwise specified.
T
T
JMAX
JMAX
ORDER PART NUMBER
= 100 C,
= 125 C,
LT1082CT
LT1082IT
1.224 1.244
1.214 1.244
3000
2400
5-LEAD TO-220
MIN
150
120
350
FRONT VIEW
1.8
0.12
JA
JA
T PACKAGE
= 75 C/ W,
= 75 C/ W,
5
4
3
2
1
4400
0.22
TYP
350
200
650
2.6
JC
JC
= 8 C/ W (CT)
= 8 C/ W (IT)
1.264
1.274
MAX
1100
6000
7000
750
400
400
2.3
0.36
0.03
3.0
V
V
GND
FB
V
IN
SW
C
UNITS
mho
mho
%/V
V/V
nA
nA
V
V
A
A
V
V
V