SP433 Datasheet, PDF (4/10 Pages) SYNC POWER Crop. – Constant Voltage and Constant Current Controller

SP433
Constant Voltage and Constant Current Controller
ELECTRICAL CHARACTERISTICS
(TA=25℃ , Unless otherwise specified)
Parameter
Symbol
Reference Input Voltage
(IK=10mA,VZ=VREF)
VREF
VREF Temp Deviation
VDEV
Ratio Of Change In REF To Change △VREF/
In Cathode Voltage
△VZ
Reference Input Current
IREF
IREF Temp Deviation
Off-State Cathode Current
Dynamic Output Impedance
Minimum Operating Current
IREF(DEV)
IZ(OFF)
RZ
Iz(MIN)
Conditions
SP433A
SP433B
TA=-40℃~+80℃
VZ=VREF
IZ=10mA
IZ=10mA,
△VZ = 18V~VREF
IZ=10mA
R1=10KΩ
R2=∞
TA=-40℃~+80℃
R1=10KΩ , R2=∞
IZ=10mA
VREF=0V , VZ=18V
f<1kHz , VZ=VREF
IZ=1mA~100mA
VZ=VREF
Min Typ Max Units
2.487 2.5 2.513
2.475 2.5 2.525
V
10
25 mV
-1.4 -2.7 mV/V
1
uA
2.5 uA
0.1 uA
1.0 1.5
Ω
1.0 mA
Current Amplification
Iamp
VC=1V, IA=50uA
10
mA
Saturation Voltage
Vsat Ic=150mA, IA=10mA
0.8
V
Maximum Protection Current
IP
100 mA
2009/03/16 Ver.1
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