LBA127L
www.clare.com
5
Rev. 4
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.
LBA127L - Form A
Typical Current Limiting vs. Temperature
I
F
= 5mADC
400
Temperature (
°
C)
C
350
300
250
200
150
100
50
0
-40
-20
0
20
40
60
80
120
100
LBA127L - Form B
Typical Turn-On vs. LED Forward Current
(Load Current = 170mADC)
0.06
LED Forward Current (mA)
T
0
5
10
15
20
25
30
35
40
45
0.05
0.04
0.03
0.02
0.01
50
LBA127L - Form A
Typical Turn-Off vs. LED Forward Current
(Load Current = 170mADC)
0.14
LED Forward Current (mA)
T
0
5
10
15
20
25
30
35
40
45
0.12
0.10
0.08
0.06
0.04
0.02
0
50
LBA127L - Form B
Typical Turn-Off vs. LED Forward Current
(Load Current = 170mADC)
1.6
LED Forward Current (mA)
T
0
5
10
15
20
25
30
35
40
45
1.4
1.2
1.0
0.8
0.6
50
LBA127L - Form A
Typical On-Resistance vs. Temperature
(Load Current = 170mADC; I
F
= 5mADC)
60
Temperature (
°
C)
O
)
-40
50
40
30
20
10
0
-20
0
20
40
60
80
100
LBA127L - Form B
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
LBA127L - Form A
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
LBA127L - Form B
Typical I
F
for Switch Operation vs. Temperature
(Load Current = 170mADC)
4.500
Temperature (
°
C)
L
-40
4.000
3.500
3.000
2.500
2.000
1.500
-20
0
20
40
60
80
100
LBA127L - Form A
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
LBA127L - Form B
Typical I
F
for Switch Dropout vs. Temperature
(Load Current = 170mADC)
4.0
Temperature (
°
C)
L
-40
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-20
0
20
40
60
80
100
LBA127L - Form A
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
-2.0
-2.5
-0.5
-1.0
0
0.5 1.0 1.5 2.0 2.5
LBA127L - Form B
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
LBA127L
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