LBA127
www.clare.com
5
Rev. 8
PERFORMANCE DATA*
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please contact
our application department.
LBA127 - FormA
Typical Turn-Off vs. LED Forward Current
(Load Current = 170mADC)
0.35
LED Forward Current (mA)
T
0
5
10
15
20
25
30
35
40
45
0.30
0.25
0.20
0.15
0.10
0.05
0
50
LBA127 - FormB
Typical Turn-Off vs. LED Forward Current
(Load Current = 170mADC)
2.5
LED Forward Current (mA)
T
0
5
10
15
20
25
30
35
40
45
2.0
1.5
1.0
0.5
0
50
LBA127 - FormA
Typical On-Resistance vs. Temperature
(Load Current = 170mADC; I
F
= 5mADC)
9
8
7
6
5
4
3
2
1
0
-20
0
20
Temperature (
°
C)
O
)
-40
40
60
80
100
LBA127 - FormA
Typical I
F
for Switch Operation vs. Temperature
(Load Current = 170mADC)
3.0
Temperature (
°
C)
L
-40
2.5
2.0
1.5
1.0
0.5
0
-20
0
20
40
60
80
100
LBA127 - FormB
Typical I
F
for Switch Operation vs. Temperature
(Load Current = 170mADC)
3.000
Temperature (
°
C)
L
-40
2.500
2.000
1.500
1.000
0.500
0
-20
0
20
40
60
80
100
LBA127 - FormA
Typical I
F
for Switch Dropout vs. Temperature
(Load Current = 170mADC)
3.0
Temperature (
°
C)
L
-40
2.5
2.0
1.5
1.0
0.5
0
-20
0
20
40
60
80
100
LBA127 - FormB
Typical Turn-On vs. LED Forward Current
(Load Current = 170mADC)
0.0785
LED Forward Current (mA)
T
0
5
10
15
20
25
30
35
40
45
0.0780
0.0775
0.0770
0.0765
0.0760
50
LBA127- FormB
Typical On-Resistance vs. Temperature
(Load Current = 170mADC; I
F
= 5mADC)
9
8
7
6
5
4
3
2
1
0
Temperature (
°
C)
O
)
-40
-20
0
20
40
60
80
100
LBA127 - FormB
Typical I
F
for Switch Dropout vs. Temperature
(Load Current = 170mADC)
3.0
Temperature (
°
C)
L
-40
2.5
2.0
1.5
1.0
0.5
0
-20
0
20
40
60
80
100
LBA127 - FormA
Typical Load Current vs. Load Voltage
(Ambient Temperature = 25
°
C; I
F
= 5mADC
200
Load Voltage (V)
L
150
100
50
0
-50
-100
-150
-200
-1.5
-0.5
-1.0
0
0.5
1.0
1.5
LBA127 - FormB
Typical Load Current vs. Load Voltage
(Ambient Temperature = 25
°
C; I
F
= 5mADC)
200
Load Voltage (V)
L
150
100
50
0
-50
-100
-150
-200
-1.0
-0.6
-0.2
-0.4
-0.8
0
0.2 0.4 0.6 0.8 1.0
LBA127
Energy Rating Curve
Time
L
10
μ
s
1.2
1.0
0.8
0.6
0.4
0.2
0
1ms
100
μ
s
100ms
1s
10ms
10s
100s