LH1540AAB/ AABTR/ AT
Vishay Semiconductors
40
CHANGE IN CURRENT LIMIT (%)
NORMALIZED TO 25°C
80
I
F
=5.0 mA
t=5 ms
V
L
=
SEE ELEC. CHAR.
70
CAPACITANCE (pF)
30
20
10
0
–10
–20
–30
–40
–40
–20
0
20
I
F
=0
f=1.0 MHz
60
50
40
30
20
10
0
40
60
80
i1540at_07
0
20
40
60
80
100
i1540at_04
AMBIENT TEMPERATURE (°C)
APPLIED VOLTAGE (V)
Figure 5. Current Limit vs. Temperature
Figure 8. Switch Capacitance vs. Applied Voltage
50
CHANGE IN ON-RESISTANCE (%)
NORMALIZED TO 25°C
0.30
I
L
=50 mA
INSERTION LOSS (dB)
40
30
20
10
0
–10
–20
–30
–40
–40
0.25 R
L
=600
0.20
0.15
0.10
0.05
0
–20
i1540at_05
0
20
40
60
AMBIENT TEMPERATURE (°C)
80
i1540at_08
10
2
10
3
10
4
10
5
FREQUENCY (Hz)
Figure 6. ON-Resistance vs. Temperature
Figure 9. Insertion Loss vs. Frequency
ac/dc ON-RESISTANCE VARIATION (%)
NORMALIZED TC DATA SHEET R
ON
SPECIFICATION @ I
F
=5.0 mA
1.5
I
L
=50 mA
100
80
ISOLATION (dB)
V
P
=10 V
R
L
=50
1.0
60
0.5
40
0
20
0
0
4
8
12
16
20
i1540at_09
–0.5
LED FORWARD CURRENT (mA)
10
2
10
3
10
4
10
5
10
6
10
7
i1540at_06
FREQUENCY (Hz)
Figure 7. Variation in ON-Resistance vs. LED Current
Figure 10. Output Isolation
www.vishay.com
4
Document Number 83833
Rev. 1.4, 26-Oct-04
VISHAY [ VISHAY TELEFUNKEN ]
