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參數(shù)資料
| 型號(hào)： | A431BSF |
| 廠商： | AUK Corp |
| 英文描述： | Programmable Voltage Reference (Programmable output voltage to 20 volts) |
| 中文描述： | 可編程電壓參考（可編程輸出電壓20伏） |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 362K |
| 代理商： | A431BSF |
KSI-2037-004
2
A431xSF
Absolute maximum ratings
(Operating ambient temperature range applies unless other specified)
Parameter
Symbol
Ratings
Unit
Cathode to Anode voltage
VKA
20
V
Cathode current range
IKA
-100 ~+150
mA
Reference input current range
Iref
-0.05~+10
mA
Power dissipation
PD*
300
mW
Operating temperature range
Topr
-40~+85
°C
Storage temperature range
Tstg
-65~+150
°C
* With PCB(8×8mm copper area) at glass epoxy board(t=1.7mm, area: 20×20mm)
Recommended operating conditions
Ratings
Parameter
Symbol
Min.
Max.
Unit
Cathode to Anode voltage
VKA
Vref
18
V
Cathode current range
IKA
1.0
100
mA
Electrical Characteristics
(Ambient temperature at 25
°C, unless otherwise noted.)
Parameter
Symbol
Condition
Min.
Typ. Max. Unit
A431BSF
2.482
2.508
Reference input voltage
(Fig. 1, Note 1)
Vref
VKA=Vref,
IKA=10mA
A431ASF
2.470
2.495
2.520
V
Deviation of reference input voltage
Over temperature(Fig. 1, Note 1,2)
Vref
VKA=Vref , IKA=10mA
@Ta=TLOW to THIGH
-
7.0
30
mV
Ratio of change in reference input
Voltage to the change in cathode
Voltage(Fig. 2)
Vref
VKA
IKA=10mA
VKA=10V-Vref
VKA=20V-10V
-
1.2
0.7
2.7
2.0
mV/V
Reference input current(Fig. 2)
Iref
IKA=10mA
R1=10K, R2=∞
-
1.8
4.0
A
Deviation of reference input current
over temperature(Fig. 2)
Iref
IKA=10mA
R1=10K, R2=∞
-
0.4
2.5
A
Minimum cathode current for
Regulation(Fig. 1)
IMIN
VKA=Vref
-
0.35
1.0
mA
Off-state cathode current(Fig. 3)
IOFF
VKA=20V, Vref=0V
-
2.7
1000
nA
Dynamic impedance(Fig. 1, Note 3)
ZKA
VKA=Vref, f≤1.0KHz
IKA=1.0mA-100mA
-
0.14
0.5
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
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