AP431AW Diodes Inc, AP431AW Datasheet - Page 4

• Manufacturer Part Number: AP431AW
• Description: Voltage & Current References 2.495V - 36V 250mA
• Manufacturer: Diodes Inc

Specifications of AP431AW

• Product: Voltage References
• Topology: Shunt References
• Output Voltage: +/- 0.5 %
• Initial Accuracy: 0.5 %
• Average Temperature Coefficient (typ): 30 PPM / C
• Series Vref - Input Voltage (max): 36 V
• Shunt Current (max): 200 mA
• Maximum Operating Temperature: + 85 C
• Package / Case: SC-59
• Input Voltage: 20 V
• Minimum Operating Temperature: - 20 C
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Electrical Characteristics
Notes: 4. Deviation of reference input voltage, V
Notes:
AP431/AP431A
Document number: DS31002 Rev. 15 - 2
Symbol
I
I
ΔV
KA(OFF)
ΔV
αI
KA(MIN)
V
V
|Z
Where:
T2 – T1 = full temperature change.
αV
I
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:
REF
REF
REF
REF
KA
REF
REF
KA
5. The dynamic output impedance, R
|
The average temperature coefficient of the reference input voltage αV
can be positive or negative depending on whether the slope is positive or negative.
Reference voltage
Deviation of Reference input
voltage over temperature
(Note 4)
Ratio of the change in
Reference voltage to the
change in Cathode voltage
Reference input current
Deviation of Reference input
current over temperature
Minimum Cathode current
for regulation
Off-state current
Dynamic output impedance
(Note 5)
Parameter
V
(T
V
MAX
MIN
A
Z
= 25
, is defined as:
DEV
T
o
I
, is defined as the maximum variation of the reference over the full temperature range.
α
C, V
V
I
V
Ta = Full range (Fig.1)
I
R1 = 10KΩ,R2 = ∞ I
R1 = 10KΩ,R2 = ∞ I
Ta = Full range (Fig. 2)
V
V
V
ΔI
Frequency ≤ 1KHz (Fig.1)
Z
KA
KA
KA
KA
KA
KA
V
KA
KA
KA
REF
= 10mA (Fig. 2)
= 10mA (Fig.1)
= V
= V
= V
= 36V, V
'
+
= V
= 0.1mA ~ 15mA
= +5.0V, unless otherwise stated)
=
=
www.diodes.com
REF
REF
REF
Δ
REF
Δ
ADJUSTABLE PRECISION SHUNT REGULATOR
(
v
Z
i
V
,
, I
≈
(Fig.1)
V
Test Conditions
KA
V
REF
KA
Temperature
4 of 16
REF
DEV
KA
V
Z
(25
= 10mA,
DEV
T
=
KA
= V
= 0V (Fig. 3)
2
= V
Δ
−
Δ
°
REF
C)
V
MAX
T
I
KA
KA
KA
(1
1
KA
AP431
AP431A
V
V
REF
)
= 10mA (Fig. 2)
= 10mA
⋅
+
- V
KA
KA
10
is defined as:
R2
R1
MIN
= V
= 10V to 36V
6
)
……………………..………..…………….. (
REF
to10V
AP431/AP431A
T
2
2.470
2.482
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
2.495
Typ.
0.19
-1.4
8.0
1.4
0.4
0.1
0.2
-1
© Diodes Incorporated
2.520
2.507
Max
-2.0
3.5
1.2
0.5
1.0
0.5
20
-2
June 2010
ppm
mV/V
mV/V
Unit
mV
mA
μA
μA
μA
Ω
V
°
C
)