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AP431AYL-13 [DIODES]

Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PSSO3, ROHS COMPLIANT, SOT-89, 3 PIN;
AP431AYL-13
型号： AP431AYL-13
厂家： DIODES INCORPORATED    DIODES INCORPORATED
描述：

Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PSSO3, ROHS COMPLIANT, SOT-89, 3 PIN
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NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
ADJUSTABLE PRECISION SHUNT REGULATOR  
Description  
Pin Assignments  
(1) SOT25  
(Top View)  
(2) SO-8  
(Top View)  
The AP431 and AP431A are 3-terminal adjustable precision shunt  
regulators with guaranteed temperature stability over the applicable  
extended commercial temperature range. The output voltage may be  
set at any level greater than 2.495V (VREF) up to 36V merely by  
selecting two external resistors that act as a voltage divider network.  
These devices have a typical output impedance of 0.2Ω. Active output  
circuitry provides very sharp turn-on characteristics, making these  
devices excellent improved replacements for Zener diodes in many  
applications.  
1
2
3
4
8
7
REF  
CATHODE  
ANODE  
5
4
ANODE  
REF  
NC  
NC  
1
2
3
ANODE  
ANODE  
6
5
ANODE  
C  
NC  
CATHODE  
(3) SC59  
(4) SC59R  
(Top View)  
(Top View)  
The precise (+/-) 1% reference voltage tolerance of the  
AP431/AP431A make it possible in many applications to avoid the  
use of a variable resistor, consequently saving cost and eliminating  
drift and reliability problems associated with it.  
1
2
REF  
CATHODE  
REF  
1
ANODE  
3
CATHODE  
2
(5) SOT23  
(6) SOT23R  
(Top View)  
Features  
(Top View)  
•
•
•
•
•
•
•
•
•
•
•
Precision Reference Voltage  
REF  
1
1
3
2
CATHODE  
REF  
AP431: 2.495V ± 1%  
AP431A: 2.495V ± 0.5%  
ANODE  
3
ANODE  
Sink Current Capability: 200mA  
Minimum Cathode Current for Regulation: 300μA  
Equivalent Full-Range Temp Coefficient: 30ppm/°C  
Fast Turn-On Response  
CATHODE 2  
Low Dynamic Output Impedance: 0.2Ω  
Programmable Output Voltage to 36V  
Low Output Noise  
(OT89  
(Top View)  
Lead Free Packages: SOT25, SC59, SC59R, SOT89 and SO-8  
.
Totally Lead-Free; RoHS Compliant (Notes 1 & 2)  
•
SOT23, SOT23R, SOT25, SCC59R, SO-8, SOT89:  
Available in “Green” Moldinound (No Br, Sb). See  
“Ordering Information”  
3
2
1
Anode Cathode  
REF  
.
Halogen and Antimony Free. “Green” Device (Note 3)  
Notes:  
1. No purposely added lead. rective 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.  
2. Sehttp://www.diodes.com information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.  
3. Halogen- and Atimonyfree "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl)  
and <1000ppm animny compounds.  
1 of 17  
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September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Typical Applications Circuit  
VIN  
VOUT  
+
+
R1  
R2  
CIN  
COUT  
AP431  
VOUT = (1 + R1/ R2) VREF  
Precision Regulator  
Symbol  
Cathode (C)  
)  
Anode (A)  
Functional Block Diagram  
REF (R
+
-
VREF  
Anode (A)  
2 of 17  
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September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)  
Parameter  
Rating  
Unit  
V
Cathode Voltage  
+36  
-10 to +250  
10  
Continuous Cathode Current  
Reference Input Current  
Operating Temperature  
Storage Temperature  
mA  
mA  
°C  
-20 to +85  
-65 to +150  
400  
°C  
SOT23(R)  
SOT25  
SC59(R)  
SO-8  
mW  
mW  
mW  
mW  
mW  
550  
Power Dissipation (Notes 4, 5)  
400  
600  
SOT89  
800  
Notes:  
4. T , max = +150°C.  
J
5. Ratings apply to ambient temperature at +25°C.  
Electrical Characteristics (@TA = +25°C, VDD = 3V; unless otherwse specified.
Symbol  
Parameter  
Coditions  
Min  
Typ  
Max  
Units  
V
KA = VREF  
,
AP431  
P431A  
2.470  
2.82  
2.520  
2.507  
Reference voltage  
2.495  
V
VREF  
IKA = 10m(Figure 1)  
V
KA VREF, IA = 10mA  
Deviation of reference input voltage over  
temperature (Note 5)  
—
8.0  
20.0  
mV  
VDEV  
T= Full Range (Figure 1)  
—
—
—
-1.4  
-1  
-2.0  
-2  
mV/V  
mV/V  
µA  
Vto 10V  
ΔVREF  
ΔVKA  
Ratio of the change in reference voltage t
the change in cathode voltage  
mA (Figure 2)  
VKA = to 36V  
Refernce input current  
1.4  
3.5  
IREF  
R1 = 10KΩ, R2 = ∞ KA = 10mA (Figure 2)  
R1 = 10KΩ, R2 = ∞ IK= 10mA  
Deviation of reference input current over  
temperature  
—
0.4  
1.2  
µA  
αIREF  
TA = Full range (Figure 2)  
Minimum cathode current for egulation  
Off-state current  
—
—
0.19  
0.1  
0.50  
1.0  
mA  
µA  
IKA(MIN)  
IKA(OFF)  
VK= VREF (Figure 1)  
VKA = 36V, VRF = 0V (Figure 3)  
V
K= VRVKA = VREF  
Dynamic output impedance (Note 7)  
—
0.2  
0.5  
Ω
|ZKA  
|
ΔIKA 0.1mA to 15mA  
Frequency ≤ 1KHz (Figure 1)  
3 of 17  
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September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Electrical Characteristics (cont.) (@TA = +25°C, VDD = 3V; unless otherwise specified.)  
VMAX  
VDEV = VMAX - VMIN  
VMIN  
T1  
Temperature  
Note: 6. Deviation of reference input voltage, VDEV, is defined as the maximum variation of the reference over the fulemperare range.  
The average temperature coefficient of the reference input voltage αVREF is defined as:  
VDEV  
(
)⋅106  
VREF(25°C)  
T2 − T1  
ppm  
……………………..………..…………….. (  
αVREF  
=
)
°C  
Where:  
T2 – T1 = full temperature change.  
αVREF can be positive or negative depending on whether tslope is positive or negatve.  
Note: 7. The dynamic output impedance, RZ, is define
∆VKA  
∆IKA  
ZKA  
=
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:  
∆v  
∆i  
R1  
R2  
'
ZKA  
=
≈ ZKA (1+  
)
Test Conditions  
IN  
IN  
ut  
IKA  
VKA  
VKA  
VKA  
IKA  
R1  
R2  
IREF  
IZ(OFF)  
VREF  
VREF  
Note: VKA = VREF (1 + R1/R2) + IREF xR1  
Figure. 2 Test Circuit for VKA > VREF  
Figure. 1 Test Circuit for VKA = VREF  
Figure. 3 Test Circuit for Off-State Current  
4 of 17  
www.diodes.com  
September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Typical Performace Characteristics  
100  
V
T
= V  
REF  
= 25°C  
KA  
V
T
= V  
REF  
KA  
= 25°C  
600  
400  
A
A
I
KA(MIN)  
0
200  
0
-200  
-100  
-1  
-0.5  
0.5  
CATHODE VOLTAGE (V)  
Cathoe Current (µAvs. Cathde Voltage  
1
1.5  
2
2.5  
-1  
-0.5  
CATHODE VOLTAGE (V)  
Cathode Current vs. Cathode Voltage  
0.5  
1.5  
2.5  
250  
2
1.8  
1.
1.4  
R1 = 10k  
= 10mA  
I
KA  
2495  
2490  
2485  
2480  
1.2  
1
-50  
-25  
0
25  
FREE-AIR TEMPERATURE (V)  
Reverence Input Current vs. Free Temperature  
50  
75  
100  
125  
-40  
-20  
0
20  
40  
60  
0  
FREE-AIR TEMPERATURE (C
Reference Voltage vs. Free-Air Temperature  
0
-2  
-4  
-6  
-8  
0mA  
T
= 25°C  
A
-10  
-12  
0
5
10  
CATHODE VOLTAGE (V)  
Change in Reference Voltage vs. Cathode Voltage  
15  
20  
25  
30  
5 of 17  
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September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Typical Performance Characteristics (cont.)  
100  
V
T
= V  
REF  
= 25°C  
KA  
V
T
= V  
REF  
KA  
= 25°C  
600  
400  
A
A
I
KA(MIN)  
0
200  
0
-200  
-100  
-1  
-0.5  
0.5  
CATHODE VOLTAGE (V)  
Cathoe Current (µAvs. Cathde Voltage  
1
1.5  
2
2.5  
-1  
-0.5  
CATHODE VOLTAGE (V)  
Cathode Current vs. Cathode Voltage  
0.5  
1.5  
2.5  
250  
2
1.8  
1.
1.4  
R1 = 10k  
= 10mA  
I
KA  
2495  
2490  
2485  
2480  
1.2  
1
-50  
-25  
0
25  
FREE-AIR TEMPERATURE (V)  
Reverence Input Current vs. Free Temperature  
50  
75  
100  
125  
-40  
-20  
0
20  
40  
60  
0  
FREE-AIR TEMPERATURE (C
Reference Voltage vs. Free-Air Temperature  
0
-2  
-4  
-6  
-8  
0mA  
T
= 25°C  
A
-10  
-12  
0
5
10  
CATHODE VOLTAGE (V)  
Change in Reference Voltage vs. Cathode Voltage  
15  
20  
25  
30  
6 of 17  
www.diodes.com  
September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Typical Performance Characteristics (cont.)  
60  
50  
40  
30  
20  
I
= 10mA  
KA  
Output  
T
= 25°C  
A
IKA  
15KΩ  
232Ω  
9µF  
-
+
8.25KΩ  
GND  
10  
0
Tst Circt for Voltage Amplification  
1K  
10K  
100K  
1M  
10M  
f-FREQUENCY -Hz  
Small-Signal Voltage Amplification vs. Frequency  
100  
10  
I
= 10mA  
KA  
T
= 25°C  
A
1KΩ  
Output  
IKA  
50Ω  
1
0
GND  
Test Circuit for Reference Impedance  
1K  
10K  
100K  
1M  
10M  
f-FREQUENCz  
erence Impedance vsFrequency  
7 of 17  
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September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Typical Performance Characteristics (cont.)  
6
5
4
3
2
T
= 25°C  
A
Input  
220Ω  
50Ω  
Output  
Pulse  
Generator  
f = 100kHz  
Output  
GND  
1
0
Test Circuit for Pulse Response  
-1  
0
1
2
3
4
5
6
7
t- TIME (µs)  
Pulse Response  
100  
90  
150Ω  
T
= 25°C  
A V = V  
KA  
A
REF  
B V = 5V  
KA  
C V = 10V  
KA  
D V = 15V  
80  
70  
KA  
IKA  
B
Stabl
+
VBATT  
CL  
-
60  
50  
C
Stable  
A
40  
30  
Test Circuit for Curve A  
D
20  
10  
0
IKA  
150Ω  
R1 = 10KΩ  
0.
0.01  
1
10  
CL - LOAD ANCE (µF)  
Stability Boonditions†  
CL  
+
-
†
The areas under the curves represent conditions that may cause  
VBATT  
R2  
the device to oscilate. For cuves B, C, and D, R2 and V+ were  
adjusted to establish the initial VKA and IKA conditions with CL = 0.  
VBATT and CL were then adjusted to determine the ranges of  
stability.  
Test Circuit for Curve B, C, and D  
8 of 17  
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September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Application Examples  
VIN  
VIN  
IOUT  
RCL  
VIN  
R1B  
R1A  
R
R2A  
R2B  
+
N
OFF  
LED on when Low Limit < VIN < High Limit  
Low Limit ≈ VREF (1 + R1B/R2B)  
VIN  
Delay = RC x ln  
)
IOUT = VREF /RCL  
Fig 6. Current Limiter or Current Source  
(
VIN - VREF  
High Limit ≈ VREF (1 + R1A/R2A)  
Fig 5. Delay Timer  
Fig. 4 Voltage Monitor  
VIN  
VIN  
VIN  
IOUT  
VOT  
VOUT  
PULSE  
R
1
R
1
R
2
RS  
Limit ≈ (1 + R1/R2) x VREF  
IOUT = VREF / RS  
VOT = (1 + R1R2) x VREF  
Fig. 9 Crow Bar  
Fig. 7 Constant-Curre
VIN  
Fig. 8 Higher-Current Shunt Regulator  
R1A  
R1B  
Output ON when  
Low Limit < VIN < High Limit  
+
VBE  
R2B  
R2A  
Low Limit ≈ VREF (1 + R1B/R2B) + VBE  
High Limit ≈ VREF (1 + R1A/R2A)  
Fig. 10 Over-Voltage/ Under-Voltage Protection Circuit  
Note:  
12. Online application note, “Design Consideration with AP431 when used as a Comparator”  
URL: http://www.diodes.com/_files/products_appnote_pdfs/AN78.pdf  
9 of 17  
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September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Ordering Information  
AP431 X XX X - X  
Reference Voltage  
Tolerance  
Package  
Lead-Free  
Packing  
SA : SOT23  
SR : SOT23R  
Q : SOT25  
W : SC59  
L : Lead Free  
G : Green (Note 8)  
7 : Tape & Reel (Note 11)  
13 : Tape & Rote 11)  
13R : Tape & Re 11)  
Blank : ±1%  
A : ±0.5%  
R : SC59R  
Blank : SO-8  
Y : SOT89  
7”/13 Tape and Reel  
Ammo Box  
Part Number  
Package Code  
(Note 10)  
Packaging  
Part Number Suffix  
Part Number  
Quantity  
Quantity  
(Note 11)  
Suffix  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
AP431(A)SAG-7  
AP431(A)SRG-7  
AP431(A)QL-7  
AP431(A)QG-7  
AP431AWL-7  
SA  
SR  
Q
SOT23  
SOT23R  
SOT25  
SOT25  
SC59  
3000/Tape & Reel  
3000/Tape & Reel  
3000/Tape & Reel  
3000/Tape & Reel  
3000Tape & Reel  
3000/Tape & Reel  
ape & Reel  
pe & Reel  
ape & Reel  
2500/Tape & Reel  
2500/Tape & Reel  
4000/Tape & Reel  
-7  
-7  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
NA  
Pb  
Lead-Free  
-7  
Q
-7  
Pb  
Lead-Free  
W
W
R
-7  
AP431(A)WG-7  
AP431(A)RL-7  
AP431(A)RG-7  
AP431(A)G-13  
AP431(A)YL-13  
AP431(A)YG-13  
AP431(A)YG-13R  
SC59  
-7  
Pb  
Lead-Free  
SC59R  
SC59R  
SO-8  
7  
R
-13  
-13  
-13  
-13R  
Pb  
Lead-Free  
Y
Y
Y
SOT89  
SOT89  
SOT89  
Notes:  
8. SO-8, SOT23 and SOT23R are ailable in “Green” proucts only.  
9. Suffix “A” denotes AP4vice.  
10. Details of tape and rs can be seen in document A2007, hich can be found on our website at  
http://www.diodes.com/sheets/ap02007.pdf  
10 of 17  
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September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Marking Information  
(1) SC59 and SC59R  
( Top View )  
3
XX : Identification code  
Y : Year 0~9  
W : Week : A~Z : 1~26 week;  
a~z : 27~52 week; z represents  
52 and 53 week  
XX Y W X  
X : A~Z : Green  
1
2
a~z : Lead Free  
(2) SOT23 and SOT23R  
( Top View )  
3
XX : Identification cod
Y : Year 0~9  
W : Week : A~Z : 1~26 week;  
a~z : 2752 week; z represents  
52 and 53 week  
XX Y W X  
X : A~Z Green  
1
2
(3) SOT25  
( Top View )  
5
4
X : Identification ce  
Y : Year 0~9  
W X  
XX Y  
2
W : Week : A~Z : 1~26 week;  
a~z : 27~52 week; z represents  
52 an53 week  
X : A~Z : Green  
3
a~z : Lead Free  
(4) SO-8  
11 of 17  
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September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Marking Information (cont.)  
(5) SOT89  
( Top View )  
XX : Identification code  
Y : Year : 0~9  
X X  
Y W  
W : Week : A~Z : 1~26 week;  
X
a~z : 27~52 week;  
z represents 52 and 53 week  
X : Internal code  
1
2
3
A~Z: Green  
a~z : Lead Free  
Identification Code Table  
Device  
AP431SA  
AP431ASA  
AP431SR  
AP431ASR  
AP431Q  
Package (Note 11)  
SOT23  
Identification Cde  
Date Code  
D1  
D2  
D5  
D6  
A2  
A3  
A6  
A7  
A
A4  
A5  
YM  
YM  
YM  
YM  
YM  
YM  
YM  
YM  
YM  
YM  
YM  
YM  
SOT23  
SOT23R  
SOT23R  
SOT25  
AP431AQ  
AP431W  
AP431AW  
AP431R  
SOT25  
SC59  
SC59  
SC59  
AP431AR  
AP431Y  
SC5
SOT89  
AP431AY  
SOT89  
Note: 11. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.  
12 of 17  
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September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Package Outline Dimensions (All dimensions in mm.)  
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.  
(1) SOT25  
A
SOT25  
Dim Min Max Typ  
A
B
C
D
H
J
K
L
M
N
α
0.35 0.50 0.38  
1.50 1.70 1.60  
2.70 3.00 2.80  
B C  
0.95  
2.90 3.10 3.00  
0.013 0.10 0.05  
1.00 1.30 1.10  
0.35 0.55 0.40  
0.10 0.20 0.15  
0.70 0.75  
H
K
J
M
N
0°  
L
D
All Dimensim  
(2) SO-8  
SO-8  
Dim  
A
A1  
2  
Min  
-
0.10  
1.30  
0.5  
0.3  
Ma
1.75  
0.20  
1.50  
0.25  
0.5  
E1  
E
Gauge Plne  
eating Plne  
A1  
L
Detail ‘A
E
E1  
e
4.85  
5.90  
3.85  
4.95  
6.10  
3.95  
h
°
45  
Detail A’  
A2  
A3  
A
1.27 Typ  
h
L
θ
-
0.35  
0.82  
8°  
b
e
0.62  
0°  
D
All Dimensions in mm  
(3) SC59 and SC59R  
A
SC59  
Dim  
Min Max Typ  
0.35 0.50 0.38  
1.50 1.70 1.60  
2.70 3.00 2.80  
A
B
C
D
G
H
J
G
H
-
-
-
-
0.95  
1.90  
2.90 3.10 3.00  
0.013 0.10 0.05  
1.00 1.30 1.10  
0.35 0.55 0.40  
0.10 0.20 0.15  
0.70 0.80 0.75  
K
J
M
N
K
L
M
N
α
L
D
0°  
8°  
-
All Dimensions in mm  
13 of 17  
www.diodes.com  
September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Package Outline Dimensions (cont.) (All dimensions in mm.)  
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.  
(4) SOT23 and SOT23R  
A
SOT23  
Dim Min Max Typ  
A
B
C
D
F
G
H
J
0.37 0.51 0.40  
1.20 1.40 1.30  
2.30 2.50 2.40  
0.89 1.03 0.915  
0.45 0.60 0.535  
1.78 2.05 1.83  
2.80 3.00 2.90  
0.013 0.10 0.05  
0.903 1.10 1.00  
C
B
H
G
M
K
J
K1  
K
K1  
L
D
-
-
0.400  
F
L
0.45 1 0.55  
0.0.11  
M
0°  
-
α
All Dimensioin mm  
(5) SOT89  
D1  
C
SOT89  
Dim  
A
B
B1  
C
D
D1  
Min  
1.40  
0.44  
0.35  
0.35  
4.40  
162  
2.29  
Max  
1.60  
062  
0.54  
0.44  
4.60  
1.83  
2.60  
H1  
H
E
B1  
L
B
e
8° (4X)  
1.50 Typ  
H
H1  
L
3.94  
2.63  
0.89  
4.25  
2.93  
1.20  
A
All Dimensions in mm  
D
14 of 17  
www.diodes.com  
September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Suggested Pad Layout  
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.  
(1) SOT25  
C2  
C2  
Dimensions Value (in mm)  
Z
3.20  
1.60  
0.55  
0.80  
2.40  
G
X
C1  
G
Y
Y
C1  
C2  
Z
0.95  
X
(2) SO-8  
X
Dimensions Value (in mm)  
X
Y
1  
C2  
0.60  
155  
5.4  
C1  
1.27  
C2  
Y
(3) SC59 and SC59R  
Y
Dimensions Value (in mm)  
Z
X
Y
C
E
3.4  
0.8  
1.0  
2.4  
C
1.35  
X
E
15 of 17  
www.diodes.com  
September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
Suggested Pad Layout (cont.)  
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.  
(4) SOT23 and SOT23R  
Y
Dimensions Value (in mm)  
Z
X
Y
C
E
2.9  
0.8  
0.9  
2.0  
Z
C
1.35  
E
X
(5) SOT89  
X1  
Dimensions Value (n mm)  
X
0.90  
1.733  
0.416  
1.300  
4600  
1.475  
0.950  
1.125  
1.500  
X2 (2x)  
X1  
X2  
Y
Y1  
Y2  
Y3  
C
Y1  
Y3  
Y
Y4  
Y2  
C
X (3x)  
16 of 17  
www.diodes.com  
September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  
NOT RECOMMENDED FOR NEW DESIGN  
USE AS431  
AP431/AP431A  
IMPORTANT NOTICE  
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,  
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR  
PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).  
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes  
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the  
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or  
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall  
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes  
Incorporated website, harmless against all damages.  
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased unauthorized sales  
channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized aCustomers shall  
indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, orney fees arising  
out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauhorized appliation.  
Products described herein may be covered by one or more United States, international or foreigatents pending. Product names and  
markings noted herein may also be covered by one or more United States, international or foreign ks.  
This document is written in English but may be translated into multiple languages for reference. Onlnglish version of this document is  
the final and determinative format released by Diodes Incorporated.  
LIFE SUPPORT  
Diodes Incorporated products are specifically not authorized for use as critical components in life support evices or systems without the  
express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:  
A. Life support devices or systems are devices or systems which:  
1. are intended to implant into the body, or  
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the  
labeling can be reasonably expected to result in significant injury to the u
B. A critical component is any component in a life supe or system whoso perform can be reasonably expected to cause  
the  
failure of the life support device or to affect its safety or ectiveness.  
Customers represent that they have all necessay experte in the safety and regulatory ramifications of their life support devices or systems,  
and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their  
products and any use of Diodes Incorprated products in such safety-criticalife support devices or systems, notwithstanding any devices- or  
systems-related information or support tat may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes  
Incorporated and its representatgainst any damages arising out of the use of Diodes Incorporated products in such safety-critical, life  
support devices or systems.  
Copyright © 2014, Diodes Incorporated  
www.diodes.com  
17 of 17  
www.diodes.com  
September 2014  
© Diodes Incorporated  
AP431/AP431A  
Document number: DS31002 Rev. 21 - 2  

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