LT1082IQ#TRPBF Linear Technology, LT1082IQ#TRPBF Datasheet - Page 6

• 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
TYPICAL PERFOR
6
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
–75 –50
Error Amplifier Transconductance
–25
TEMPERATURE ( C)
–100
–200
–300
–400
0
800
700
600
500
400
300
200
400
300
200
100
0
25
0
0
Feedback Pin Clamp Voltage
V
C
T
0.1
J
50
Pin Characteristics
= 25 C
g
(CURRENT OUT OF V
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
m
0.5
75
=
FEEDBACK CURRENT (mA)
(CURRENT INTO V
V
W
I
100
V
V
(V
(FB PIN)
C
FB
PIN VOLTAGE (V)
C
V
T
1.0
T
T
A
125
PIN)
J
FB
= 0.8V
J
J
1082 G18
= –55 C
= 150 C
= 25 C
= 1.5V
U
150
CE
1.5
C
C
PIN)
PIN)
400
350
300
250
200
150
100
50
C
0
–75 –50
2.0
HARA TERISTICS
Shutdown Thresholds
1082 G21
1082 G23
–25 0
2.5
VOLTAGE AT V
TEMPERATURE ( C)
C
25
50
C
CURRENT
(OUT OF V
75
PIN
100
125
C
PIN)
–1000
150 175
7000
6000
5000
4000
3000
2000
1000
1082 G19
500
450
400
350
300
250
200
150
100
50
0
0
1k
Switch “Off” Characteristics
0
Transconductance of Error
Amplifier
–400
–350
–300
–250
–200
–150
–100
–50
0
A. V
B. V
C. V
D. V
E. V
10
IN
IN
IN
IN
IN
20 30
= 75V
= 3V
= 15V
= 40V
= 55V
10k
A
SWITCH VOLTAGE (V)
FREQUENCY (Hz)
B
10
40
9
8
7
6
5
4
3
2
1
–75 –50
Idle Supply Current vs
Temperature
100k
50
V
g
C
m
= 0.6V
60
C
–25 0
70
1M
TEMPERATURE ( C)
D
80
25
V
1082 G24
V
90 100
1082 G22
IN
IN
50
E
= 75V
10M
= 3V
75
–30
0
30
60
90
120
150
180
210
100
sn1082 1082fas
125
150 175
1082 G20