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AUK corp

SLF431ASF Datasheet Preview

SLF431ASF Datasheet

Programmable Voltage Reference

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Semiconductor
SLF431xSF
Programmable Voltage Reference
Features
Programmable output voltage to 36 volts
Sink current capability of 1.0mA to 100mA
Low dynamic impedance 0.15typical
Temperature compensated for operation over full rated operating temperature
Equivalent full-range temperature coefficient of 50ppm/°C (Typical)
Low output Noise voltage
Voltage reference tolerance : ± 1.0% (Ta=25)
Ordering Information
Type NO.
SLF431xSF
Outline Dimensions
Marking
41
: Grade => B : ±0.5%, A : ±1.0%
Symbol
Package Code
SOT-23F
unit : mm
2.4±0.1
1.6±0.1
1
3
2
Functional block diagram
KSI-2058-000
PIN Connections
1. Reference
2. Cathode
3. Anode
1




AUK corp

SLF431ASF Datasheet Preview

SLF431ASF Datasheet

Programmable Voltage Reference

No Preview Available !

SLF431xSF
Absolute maximum ratings
(Operating ambient temperature range applies unless other specified)
Parameter
Symbol
Ratings
Cathode to Anode voltage
VKA 37
Cathode current range
IKA -100 ~+150
Reference input current range
Iref -0.05~+10
Power dissipation
PD* 300
Operating temperature range
Topr -40~+85
Storage temperature range
Tstg -65~+150
* With PCB(8×8mm copper area) at glass epoxy board(t=1.7mm, area : 20×20mm)
Unit
V
mA
mA
mW
°C
°C
Recommended operating conditions
Parameter
Symbol
Cathode to Anode voltage
Cathode current range
VKA
IKA
Ratings
Min.
Max.
Vref 36
1.0 100
Unit
V
mA
Electrical Characteristics
(Ambient temperature at 25°C, unless otherwise noted.)
Parameter
Symbol
Reference input voltage
(Fig. 1, Note 1)
Deviation of reference input voltage
Over temperature(Fig. 1, Note 1,2)
Ratio of change in reference input
Voltage to the change in cathode
Voltage(Fig. 2)
Vref
Vref
Vref
VKA
Reference input current(Fig. 2)
Deviation of reference input current
over temperature(Fig. 2)
Minimum cathode current for
Regulation(Fig. 1)
Off-state cathode current(Fig. 3)
Iref
Iref
IMIN
IOFF
Dynamic impedance(Fig. 1, Note 3)
ZKA
Condition
VKA=Vref,
IKA=10mA
SLF431BSF
SLF431ASF
VKA=Vref , IKA=10mA
@Ta=TLOW to THIGH
IKA=10mA
VKA=10V-Vref
VKA=36V-10V
IKA=10mA
R1=10K, R2=
IKA=10mA
R1=10K, R2=
VKA=Vref
VKA=36V, Vref=0V
VKA=Vref, f1.0KHz
IKA=1.0mA-100mA
Min. Typ. Max.
2.482 2.495 2.508
2.470
2.520
- 7.0 30
- 1.2 2.7
- 0.7 2.0
- 1.8 4.0
- 0.4 2.5
- 0.35 1.0
- 2.7 1000
- 0.14 0.5
Unit
V
mV
mV/V
µA
µA
mA
nA
Fig. 1
Fig. 2
Fig. 3
<Note 1> : TLOW=-40°C, THIGH=+85°C , <Note 2> : Vref= Vref Max. - Vref Min. , <Note 3> : ZKA= VKA/ IKA
KSI-2058-000
2


Part Number SLF431ASF
Description Programmable Voltage Reference
Maker AUK corp
Total Page 4 Pages
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