ST8433 (Pb-Free)
STANSON TECHNOLOGY
Constant Voltage and Constant Current Controller
ELECTRICAL CHARACTERISTICS (TA=25℃ Unless Otherwise Specified)
Conditions
Parameter
Symbol
Min Typ Max Units
Reference Input Voltage
ST8433A
ST8433B
2.487 2.5 2.513
V
VREF
(IK=10mA,VZ=VREF
)
2.475 2.5 2.525
TA=-40℃~+80℃
VZ=VREF
VREF Temp Deviation
VDEV
10
25
mV
IZ=10mA
△
VREF
/
IZ=10mA,
VZ = 18V~VREF
Ratio Of Change In REF To
Change In Cathode Voltage
-1.4 -2.7 mV/V
△
△
VZ
IZ=10mA
R1=10KΩ
R2=
TA=-40℃~+80℃
R1=10KΩ , R2=
Reference Input Current
IREF Temp Deviation
IREF
1
uA
uA
∞
∞
IREF(DEV)
2.5
IZ=10mA
Off-State Cathode Current
Dynamic Output Impedance
Minimum Operating Current
Current Amplification
IZ(OFF) VREF=0V , VZ=18V
0.1
1.5
1.0
uA
Ω
f<1kHz , VZ=VREF
RZ
1.0
IZ=1mA~100mA
Iz(MIN)
Iamp
Vsat
IP
VZ=VREF
mA
mA
V
VC=1V, IA=50uA
10
Ic=150mA,
IA=10mA
Saturation Voltage
0.8
Maximum Protection Current
100
mA
3
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WWW.STANSONTECH.COM
ST8433 2009 V1
STANSON [ STANSON TECHNOLOGY ]
