參數(shù)資料
型號(hào): AP431ASMG-13
廠商: DIODES INC
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PDSO8
封裝: GREEN, SOP-8
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 317K
代理商: AP431ASMG-13
AP431/AP431A
ADJUSTABLE PRECISION SHUNT REGULATOR
DS30714 Rev. 2 - 2
4 of 12
AP431/AP431A
www.diodes.com
Diodes Incorporated
Electrical Characteristics (Continued) (TA=25
oC, V+=+5.0V, unless otherwise stated)
(Note 5)
Note 5.
Deviation of reference input voltage, VDEV, is defined as the maximum variation of the reference over the full temperature
range. The average temperature coefficient of the reference input voltage
αVREF is defined as:
1
2
6
REF
DEV
REF
T
10
)
C)
(25
V
(
V
°
=
α
……………………..……………….. (
)
C
ppm
°
Where:
T2 – T1 = full temperature change.
αVREF can be positive or negative depending on whether the slope is positive or negative.
Note 4. The dynamic output impedance, RZ, is defined as:
KA
I
V
Z
=
When the device is programmed with two external resistors R1 and R2 (see Figure 2.), the dynamic output impedance of the overall
circuit, is defined as:
)
R2
R1
(1
Z
i
v
Z
KA
'
KA
+
=
Test Circuits
Input
VREF
V
KA
I
KA
Fig 1. Test Circuit for V
KA= VREF
IN
VREF
R1
R2
IREF
Note:VKA=VREF(1+R1/R2)+IREFxR1
I
KA
V
KA
Fig 2. Test Circuit for V
KA>VREF
IN
V
KA
IZ(OFF)
Fig 3. Test Circuit for Off-State Current
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