Linear Technology LT8302 Operation page 5

42vin micropower no-opto isolated flyback converter with 65v/3.6a switch
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Typical perForMance characTerisTics
EN/UVLO Enable Threshold
1.240
1.235
RISING
1.230
1.225
1.220
FALLING
1.215
1.210
1.205
1.200
50
75
–50
–25
0
25
TEMPERATURE (°C)
INTV
Voltage vs V
CC
IN
3.10
3.05
3.00
I
= 0mA
INTVCC
2.95
I
= 10mA
INTVCC
2.90
2.85
2.80
5
10
15
20
25
30
V
(V)
IN
R
Regulation Voltage
REF
1.010
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992
0.990
–50
–25
0
25
50
75
TEMPERATURE (°C)
EN/UVLO Hysteresis Current
5
4
3
2
1
0
100
125
150
–50
–25
8302 G10
INTV
CC
2.8
2.7
2.6
2.5
2.4
2.3
2.2
35
40
45
–50
–25
8302 G13
R
Line Regulation
REF
1.010
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992
0.990
100 125 150
0
10
8302 G16
For more information
T
= 25°C, unless otherwise noted.
A
50
0
25
75
100 125
150
TEMPERATURE (°C)
8302 G11
UVLO Threshold
RISING
FALLING
0
25
50
75
100
125
150
TEMPERATURE (°C)
8302 G14
20
30
40
50
V
(V)
IN
8302 G17
www.linear.com/LT8302
LT8302
INTV
Voltage vs Temperature
CC
3.10
3.05
3.00
I
= 0mA
INTVCC
2.95
I
= 10mA
INTVCC
2.90
2.85
2.80
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
(R
-V
) Voltage
FB
IN
40
30
I
= 125µA
RFB
20
10
I
= 100µA
RFB
0
–10
–20
I
= 75µA
RFB
–30
–40
–50
–25
50
75
0
25
100
TEMPERATURE (°C)
TC Pin Voltage
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
125
150
8302 G12
150
125
8302 G15
125
150
8302 G18
8302fb
5

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