AP432ASAG-13(2010) 데이터 시트보기 (PDF) - Diodes Incorporated.
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AP432ASAG-13 Datasheet PDF : 14 Pages
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AP432/AP432A
ADJUSTABLE PRECISION SHUNT REGULATOR
Electrical Characteristics (TA = 25oC, V+ = +5.0V, unless otherwise stated)
Symbol
VREF
VREF
ΔVREF
ΔVKA
IREF
αIREF
IKA(MIN)
IKA(OFF)
|ZKA|
Parameter
Test Conditions
Reference voltage
VKA = VREF,
AP432
I KA = 10mA (Fig.1) AP432A
Deviation of Reference input
voltage over temperature
(Note 4)
VKA = VREF, IKA = 10mA,
Ta = Full range (Fig.1)
Ratio of the change in
Reference voltage to the IKA = 10mA (Fig. 2) VKA = 20~ VREF
change in Cathode voltage
Reference input current
R1 = 10KΩ,R2 = ∞ IKA= 10mA (Fig. 2)
Deviation of Reference input R1 = 10KΩ,R2 = ∞ IKA = 10mA
current over temperature Ta = Full range (Fig. 2)
Minimum Cathode current
for regulation
VKA = VREF (Fig.1)
Off-state current
VKA = 36V, VREF = 0V (Fig. 3)
Dynamic output impedance
(Note 5)
V KA = VREF V KA = VREF
ΔIKA = 0.1mA ~ 15mA
Frequency ≤ 1KHz (Fig.1)
Min Typ. Max Unit
1.227
1.233
1.24
1.252
1.246
V
⎯ 3.0 20 mV
⎯ -1.4 -2.0 mV/V
⎯ 1.4 3.5 μA
⎯ 0.4 1.2 μA
⎯ 0.15 0.3 mA
⎯ 0.1 1.0 μA
⎯ 0.2 0.5 Ω
VMAX
VMIN
VDEV = VMAX - VMIN
TI
Temperature
T2
Notes: 4. 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:
(
VDEV
)⋅10 6
α VREF =
VREF (25°C)
T2 − T1
……………………..……………….. ( ppm°C )
Where:
T2 – T1 = full temperature change.
αVREF can be positive or negative depending on whether the slope is positive or negative.
Notes: 5. The dynamic output impedance, RZ, is defined as:
Z KA
= ΔVKA
Δ IKA
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:
ZKA '
=
Δv
Δi
≈ZKA
(1+ R1)
R2
AP432/AP432A
Document number: DS31003 Rev. 16 - 2
4 of 14
www.diodes.com
June 2010
© Diodes Incorporated
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