LT3798
TYPICAL PERFORMANCE CHARACTERISTICS
INTV
CC
vs Temperature
10.5
NO LOAD
10mA LOAD
25mA LOAD
10.25
9.8
10
INTV
CC
(V)
INTV
CC
(V)
9.6
9.4
9.75
9.2
9.5
–50 –25
9
10.2
10
T
A
= 25°C, unless otherwise noted.
INTV
CC
vs V
IN
42
41.5
V
IN
SHUNT VOLTAGE (V)
41
V
IN
Shunt Voltage vs Temperature
I
SHUNT
= 1mA
40.5
40
39.5
39
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
3798 G08
5
10
15
25
20
V
IN
(V)
30
35
40
3798 G09
0
25 50 75 100 125 150
TEMPERATURE (°C)
3798 G10
Maximum Shunt Current
vs Temperature
LEAKAGE INDUCTANCE BLANKING TIME (μs)
10
2
1.8
1.6
1.4
Leakage Inductance Blanking Time
vs SENSE Current Limit Threshold
25
V
OUT
vs Temperature
PAGE 17 SCHEMATIC:
UNIVERSAL
24.5
V
OUT
(V)
9
SHUNT CURRENT (mA)
8
1.2
1
0.8
0.6
0.4
0.2
0
0
120
60
40
80
100
20
SENSE CURRENT LIMIT THRESHOLD (mV)
3798 G12
24
VAC = 120V
7
VAC = 220V
23.5
6
5
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
3798 G11
23
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
3798 G012a
Output Voltage
vs Input Voltage
24.6
PAGE 17 SCHEMATIC:
UNIVERSAL
24.4
OUTPUT CURRENT (A)
1.05
1.10
Output Current
vs Input Voltage
PAGE 17 SCHEMATIC:
UNIVERSAL
V
OUT
= 22V
V
OUT
(V)
24.2
1.00
24
23.8
0.95
23.6
90 110 130 150 170 190 210 230 250 270
V
IN
(VAC)
3798 G13
0.90
90 110 130 150 170 190 210 230 250 270
V
IN
(VAC)
3798 G14
3798f
5
LINER [ LINEAR TECHNOLOGY ]
