CM431L
LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
ELECTRICAL CHARACTERISTICS Unless specified, TA = 25℃
CM431L 0.5%
MIN TYP MAX MIN TYP MAX UNITS
1.234 1.240 1.246 1.231 1.240 1.249
CM431L 0.7%
Parameter
Reference
Symbol
Condition
TA=25℃
TA=-40 to+85℃ 1.222
VREF Vz=VREF
Iz=10mA
,
Voltage
V
1.258 1.222
1.258
VREF Temp
Deviation
VDEV TA=-40 to +85℃, Vz= VREF
10
25
10
25
mV
Iz=10mA
Ratio of Change
in
ΔVREF Iz=10mA, ΔVZ=16V to VREF
ΔVz
-1.0
-2.7
-1.0 -2.7 mV/V
VREF to Change in
Cathode Voltage
Reference Input
Current
IREF R1=10kΩ, R2=∞, Iz=10mA
0.15
0.1
0.5
0.4
0.15
0.1
0.5
0.4
μA
IREF Temp
Deviation
IREF（
TA=-40 to +85℃ R1=10 kΩ
R2= ∞, Iz=10mA
DEV）
μA
μA
Off State Cathode Iz（
Current
VREF=0V
VZ=6V
0.5
0.5
2.0
2.0
0.5
0.5
2.0
2.0
off）
VZ=16V
Dynamic Output
Impedance
rz
f < 1KHz, VZ= VREF
0.25
60
0.4
80
0.25
60
0.4
80
Ω
Iz=100μA to 100 mA
Minimum
Operating
Current
IZ（
VZ= VREF
min）
μA
2006/02/10 Rev. 5
Champion Microelectronic Corporation
Page 5
ETC [ ETC ]
