CM431L
LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
TYPICAL CHARACTERISTICS
Cathode Current vs. Cathode Voltage
Cathode Current vs. Cathode Voltage
300
200
100
0
150
100
50
0
-100
-200
-300
-50
Vz=VREF
TA=25℃
-100
-150
-1
-0.5
0
0.5
1
1.5
-1.5
-1
-0.5
0
0.5
1
1.5
z
V (V)
z
V (V)
Reference Voltage vs. Junction Temperature
Reference Input Current vs. Junction
Temperature
1.248
1.246
1.244
1.242
1.24
Iz=10mA
150
125
100
75
Iz=80uA
1.238
1.236
1.234
Iz=10mA
R1=10kΩ
50
R2=
∞
-50 -25
0
25
50
TJ(
75 100 125 150
-50 -25
0
25 50 75 100 125 150
)
℃
TJ(℃)
Ratio of Delta Ref. Voltage to Delta Cathode
Voltage vs. Junction Temperature
Off State Cathode Current vs. Junction
Temperature
250
200
150
100
50
1.2
VREF = 0V
1.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
Iz=10mA
Vz=16V to VREF
△
0
-50 -25
0
25
50
TJ(
75 100 125 150
-50 -25
0
25
50
(℃)
75 100 125 150
)
℃
T
J
2006/02/10 Rev. 5
Champion Microelectronic Corporation
Page 7
ETC [ ETC ]
