LT1082IQ#TRPBF Linear Technology, LT1082IQ#TRPBF Datasheet - Page 2

• Manufacturer Part Number: LT1082IQ#TRPBF
• Description: IC SWTCHNG REG HI-V/EFF 1A 5-DD
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost), Inverting, Flyback, Forward Converterr

Specifications of LT1082IQ#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Current - Output: 1A
• Frequency - Switching: 60kHz
• Voltage - Input: 3 ~ 75 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Power - Output: 20W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -

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
Consult LTC Marketing for parts specified with wider operating temperature ranges.
temperature range, otherwise specifications are at T
specified.
PACKAGE/ORDER I FOR ATIO
SYMBOL
V
I
g
A
2
ELECTRICAL C
B
m
REF
V
BSOLUTE
Consider the Q Package for Alternate Source
OBSOLETE PACKAGE
ORDER PART NUMBER
GND
T
NC
T
V
FB
T
JMAX
JMAX
JMAX
C
1
2
3
4
8-LEAD PLASTIC DIP
= 150 C,
= 100 C,
= 125 C,
LT1082MJ8
8-LEAD CERAMIC DIP
LT1082CN8
LT1082IN8
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
N8 PACKAGE
TOP VIEW
J8 PACKAGE
W
JA
JA
JA
= 100 C/W (MJ8)
= 90 C/W (CN8)
= 90 C/W (IN8)
A
HARA TERISTICS
XI
8
7
6
5
W
E2
V
E1
V
SW
IN
U
U
C
W
R
A
W
NOTE:
DEPENDING ON BOARD COMPOSITION.
TI
ORDER PART NUMBER
U
A
T
T
CONDITIONS
Measured at Feedback Pin
V
V
V
Hi Clamp, V
Lo Clamp, V
3V V
0.9V V
JMAX
JA
= 25 C. V
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,
S
FRONT VIEW
The denotes the specifications which apply over the full operating
Q PACKAGE
IN
5-LEAD DD
REF
U
C
(Note 1)
IN
V
FB
FB
1.4V
MAX
JA
JA
= 15V, V
= 1V
5
4
3
2
1
= 40 C/ W (CQ)
= 1.5V
= 40 C/ W (IQ)
, V
Operating Junction Temperature Range
C
= 0.8V
LT1082M (OBSOLETE) ............... – 55 C to 150 C
LT1082I ........................................... – 40 C to 125 C
LT1082C ............................................... 0 C to 100 C
C
V
V
GND
FB
V
IN
SW
C
= 0.5V, V
FB
= V
REF
T
T
, output pin open, unless otherwise
JMAX
JMAX
ORDER PART NUMBER
= 100 C,
= 125 C,
LT1082CT
LT1082IT
1.224 1.244
1.214 1.244
3000
2400
MIN
150
120
350
5-LEAD TO-220
1.8
0.12
FRONT VIEW
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
1100
6000
7000
MAX
750
400
400
2.3
0.36
0.03
3.0
sn1082 1082fas
V
V
GND
FB
V
IN
SW
C
UNITS
mho
mho
%/V
V/V
nA
nA
V
V
A
A
V
V
V