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參數(shù)資料
| 型號(hào)： | APL1431BDC-PB |
| 廠商： | Anpec Electronics Corporation |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Adjustable Precision Shunt Regulator |
| 中文描述： | 可調(diào)節(jié)精密并聯(lián)穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大?。?/td> | 460K |
| 代理商： | APL1431BDC-PB |
Copyright
ANPEC Electronics Corp.
Rev. A.3 - May., 2003
APL1431
www.anpec.com.tw
3
Electrical Characteristics Cont.
T
A
= 25°C ( unless otherwise noted)
Test figures
Figure 1. Test Circuit for V
KA
=V
REF
, V
O
=V
KA
=V
REF
Figure 2. Test Circuit for V
>V
REF
,
V
O
= V
KA
= V
REF
×
(1+R
1
2
) + I
REF
×
R
1
Figure 3. Test Circuit for I
K(off)
Notes :
*1 : use Figure 1
*2 : use Figure 2
*3 : use Figure 3
Application schematic
5-Volt Precision Regulator
V
IN
R
b
should provide cathode current large than
1mA to maintain APL431 work properly.
V
IN
V
o
I
K
V
REF
V
o
V
IN
I
K(off)
V
IN
I
K
I
REF
V
REF
R1
R2
V
o
V
o
27.5k
0.1%
27.5k
0.1%
R
b
APL1431
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
I
REF
Reference current
I
K
=10mA,
R
1
=10k
, R
2
=open
*2
I
K
=10mA, R
1
=10k
,
R
2
=open, T
A
= -40 to 85
°
C
*2
V
KA
=V
REF
1.0
3
μ
A
I
REF
/T
Reference current
drift
Min. cathode current
Off-state cathode
current
0.3
1
μ
A
I
K(min)
*1
0.25
0.5
mA
I
K(off)
V
KA
= 20V, V
REF
= 0V
*3
0.1
1
μ
A
|Z
KA
|
Dynamic impedance
V
KA
=V
REF
I
K
=1mA to 100mA, f
≤
1kHz
*1
V
KA
=V
REF
+ 50mV
*2
0.1
0.4
I
K
Cathode current
100
mA
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