
TA76433FC
2006-11-06
5
Change
in
re
feren
ce
volt
age
Δ
V
REF
(mV)
Cathode
cu
rren
t
I K
(
μA)
Ambient temperature Ta (°C)
PDmax – Ta
Allowa
ble
power
di
ssip
ation
P
Dmax
(W)
Ambient temperature Ta (°C)
VREF – Ta
Referen
ce
vol
tage
V
REF
(V)
Cathode voltage VKA (V)
IK – VKA
Cathode
cu
rren
t
I K
(
m
A
)
Cathode voltage VKA (V)
IK – VKA
Power supply voltage VCC (V)
ΔVREF – VCC
Ambient temperature Ta (°C)
IREF – Ta
Referen
ce
cur
rent
I REF
(
μA)
0.3
0
0.1
0.2
0.4
0.5
0.6
0
20
40
60
100
120
80
140
160
(1)
(2)
(1) Mounted on a glass-epoxy substrate
30
× 30 × 0.8 mm t
Cupper pad area: 50 mm
2
(2) Ta
= 25°C
1.24
40
0
40
80
120
160
1.25
1.26
1.27
1.28
VKA = VREF
VCC = 2 V
IK = 5 mA
Input
IK
VKA
VCC
VREF
1.0
0.5
0
0.5
1.5
1.0
10
0
10
20
25
85
Ta
= 40°C
VKA = VREF
VCC = 2 V
Input
IK
VKA
VCC
100
1
0.5
0
0.5
1.0
1.5
0
100
200
300
VKA = VREF
VCC = 2 V
Ta
= 40°C
25
85
Ta
= 40°C
85
25
Input
IK
VKA
VCC
0
40
0
40
80
120
160
1
2
3
4
IK = 5 mA
Input
IK
VKA
VCC
IREF
10 k
Ω
15
10
5
0
8
6
4
2
0
VKA = VREF
IK = 5 mA
Ta
= 25°C