ST8433ASRG datasheet(3/6 Pages) STANSON

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STANSON TECHNOLOGY

ST8433 (Pb-Free)

Constant Voltage and Constant Current Controller

120 Bentley Square, Mountain View, Ca 94040 USA

WWW.STANSONTECH.COM

ST8433 2009 V1

ELECTRICAL CHARACTERISTICS (TA=25℃ Unless Otherwise Specified)

Parameter

Symbol

Conditions

Min

Typ Max Units

Reference Input Voltage

(IK=10mA,VZ=VREF)

VREF

ST8433A

ST8433B

2.487

2.475

2.5

2.513

2.525

VREF Temp Deviation

VDEV

TA=-40℃~+80℃

VZ=VREF

IZ=10mA

Ratio Of Change In REF To

Change In Cathode Voltage

△

VREF/

△

IZ=10mA,

△

VZ = 18V~VREF

-1.4 -2.7 mV/V

Reference Input Current

IREF

IZ=10mA

R1=10KΩ

R2=∞

IREF Temp Deviation

IREF(DEV)

TA=-40℃~+80℃

R1=10K

Ω , R2=∞

IZ=10mA

2.5

Off-State Cathode Current

IZ(OFF)

VREF=0V , VZ=18V

0.1

Dynamic Output Impedance

f<1kHz , VZ=VREF

IZ=1mA~100mA

1.0

1.5

Minimum Operating Current

Iz(MIN)

VZ=VREF

1.0

Current Amplification

Iamp

VC=1V, IA=50uA

Saturation Voltage

Vsat

Ic=150mA,

IA=10mA

0.8

Maximum Protection Current

100

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