Table of Contents
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LT8302
Typical perForMance characTerisTics
Output Load and Line Regulation
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
0
0.5
1.0
1.5
LOAD CURRENT (A)
Boundary Mode Waveforms
V
SW
20V/DIV
V
OUT
50mV/DIV
2µs/DIV
FRONT PAGE APPLICATION
V
= 12V
IN
I
= 2A
OUT
V
Shutdown Current
IN
10
8
6
4
2
0
0
10
20
30
V
(V)
IN
4
Output Temperature Variation
5.3
FRONT PAGE APPLICATION
V
= 12V
IN
5.2
I
OUT
5.1
5.0
4.9
V
= 5V
IN
4.8
V
= 12V
IN
V
= 24V
IN
4.7
2.0
2.5
3.0
–50
–25
8302 G01
Discontinuous Mode Waveforms
V
SW
20V/DIV
V
OUT
50mV/DIV
8302 G04
FRONT PAGE APPLICATION
V
= 12V
IN
I
= 0.5A
OUT
V
Quiescent Current,
IN
Sleep Mode
140
T
= 150°C
J
T
= 25°C
J
130
T
= –55°C
J
120
110
100
90
80
0
40
50
8302 G07
For more information
T
= 25°C, unless otherwise noted.
A
= 1A
R
= 115k
TC
R
= OPEN
TC
0
25
50
75
100
125
150
TEMPERATURE (°C)
8302 G02
8302 G05
2µs/DIV
T
= 150°C
J
T
= 25°C
J
T
= –55°C
J
10
20
30
40
50
V
(V)
IN
8302 G08
www.linear.com/LT8302
Switching Frequency
vs Load Current
500
FRONT PAGE APPLICATION
400
300
200
100
0
0
0.5
1.0
1.5
LOAD CURRENT (A)
Burst Mode Waveforms
V
SW
20V/DIV
V
OUT
50mV/DIV
20µs/DIV
FRONT PAGE APPLICATION
V
= 12V
IN
I
= 10mA
OUT
V
Quiescent Current,
IN
Active Mode
420
T
= 150°C
J
400
T
= 25°C
J
380
T
= –55°C
J
360
340
320
0
10
20
30
V
(V)
IN
V
= 5V
IN
V
= 12V
IN
V
= 24V
IN
2.0
2.5
3.0
8302 G03
8302 G06
40
50
8302 G09
8302fb
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