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8/11/2019 Az431 - Regulador Shunt
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
2
Figure 2. Pin Configuration of AZ431 (Top View)
M Package(SOIC-8)
Z Package(TO-92)
(SOT-23-3)N Package R Package
(SOT-89)
Figure 3. Functional Block Diagram of AZ431
Pin Configuration
Functional Block Diagram
REF
ANODE
NC
CATHODE
NC
1
2
3
4 5
6
7
8
ANODE
REF CATHODE REF ANODE CATHODE
1 2 31 2
3 ANODE
ANODE
ANODE
K Package(SOT-23-5)
NC
CATHODE
ANODE
REF3
2
1
4
5
NC
4
REF
VREF
CATHODE
ANODE
+
-
CATHODE
ANODE
REF1
2
3
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
4
Ordering Information (Continued)
20V Product s
PackageTempera-
ture RangeVoltage
Tolerance
Part Number Marking ID PackingTypeTin Lead Lead Free Tin Lead Lead Free
SOT-23-3 -40 to 125 oC0.4% AZ431AN-BTR AZ431AN-BTRE1 N44 EA4 Tape & Reel
0.8% AZ431BN-BTR AZ431BN-BTRE1 N45 EA5 Tape & Reel
SOT-23-5 -40 to 125 oC 0.4% AZ431AK-BTR AZ431AK-BTRE1 K4A E4A Tape & Reel
0.8% AZ431BK-BTR AZ431BK-BTRE1 K4B E4B Tape & Reel
TO-92 -40 to 125
oC
0.4% AZ431AZ-B AZ431AZ-BE1 AZ431AZ-B AZ431AZ-BE1 Bulk
0.4% AZ431AZ-BTR AZ431AZ-BTRE1 AZ431AZ-B AZ431AZ-BE1 Ammo
0.8% AZ431BZ-B AZ431BZ-BE1 AZ431BZ-B AZ431BZ-BE1 Bulk
0.8% AZ431BZ-BTR AZ431BZ-BTRE1 AZ431BZ-B AZ431BZ-BE1 Ammo
SOIC-8 -40 to 125 oC
0.4% AZ431AM-B AZ431AM-BE1 AZ431AM-B AZ431AM-BE1 Tube
0.4% AZ431AM-BTR AZ431AM-BTRE1 AZ431AM-B AZ431AM-BE1 Tape & Reel
0.8% AZ431BM-B AZ431BM-BE1 AZ431BM-B AZ431BM-BE1 Tube
0.8% AZ431BM-BTR AZ431BM-BTRE1 AZ431BM-B AZ431BM-BE1 Tape & Reel
SOT-89 -40 to 125 oC0.4% AZ431AR-BTR AZ431AR-BTRE1 431C E43C Tape & Reel
0.8% AZ431BR-BTR AZ431BR-BTRE1 431D E43D Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
6
Parameter Test
CircuitSymbol Conditions
AZ431 (40V)Unit
Min Typ Max
Reference Voltage 0.4%
4 VREF VKA=VREF, IKA=10mA2.490 2.500 2.510
V 0.8% 2.480 2.500 2.520
Deviation of ReferenceVoltage Over-Temperature
4 VREFVKA=VREFIKA= 10mA
0 to 70 oC 4.5 8mV
-40 to 85 oC 4.5 10
Ratio of Change in Reference
Voltage to the Change inCathode Voltage
5VREFVKA IKA=10mA
VKA=10V to V REF
-1.0 -2.7
mV/VVKA=36V to 10V
-0.5 -2.0
Reference Current 5 IREF IKA=10mA,R1=10K , R2= 0.7 4 A
Deviation of Reference CurrentOver Full Temperature Range
5 IREFIKA=10mA, R1=10K
R2= , TA=-40 to 85oC
0.4 1.2 A
Minimum Cathode Current forRegulation
4IKA
(MIN)VKA=VREF 0.4 1.0 mA
Off-State Cathode Current 6IKA
(OFF)VKA=36 V, V REF =0 0.05 1.0
A
Dynamic Impedance 4Z
KA
VKA=VREF, I KA=1 to 100mA,
f 1.0KHz 0.15 0.5
Electrical Characteris tics for AZ431(40V)Operating Conditions: T A=25 oC unless otherwise specified.
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
7
Electrical Characteris tics for AZ431(20V)
Parameter Test
CircuitSymbol Conditions
AZ431 (20V)Unit
Min Typ Max
Reference Voltage 0.4%
4 VREF VKA=VREF, IKA=10mA2.490 2.500 2.510
V 0.8% 2.480 2.500 2.520
Deviation of Reference Voltage Over-Temperature
4 VREFVKA=VREFIKA=10mA
0 to 70 oC 4.5 8mV
-40 to 85 oC 4.5 10
Ratio of Change in Reference
Voltage to the Change inCathode Voltage
5VREFVKA IKA=10mA
VKA=10V to V REF
-1.0 -2.7
mV/VVKA=18V to 10V
-0.5 -2.0
Reference Current 5 IREF IKA=10mA, R1=10K , R2= 0.7 4 A
Deviation of Reference CurrentOver Full Temperature Range
5 IREFIKA=10mA, R1=10K ,R2=
TA=-40 to 85oC
0.4 1.2 A
Minimum Cathode Current for Regulation
4IKA
(MIN)VKA=VREF 0.4 1.0 mA
Off-State Cathode Current 6IKA
(OFF)VKA=18V, V REF =0 0.05 1.0
A
Dynamic Impedance 4 ZKAVKA=VREF, IKA=1 to 100mAf 1.0KHz 0.2 0.5
Operating Conditions: T A=25oC unless otherwise specified.
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
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Figure 4. Test Circuit 4 for V KA=Vref
Figure 5. Test Circuit 5 for V KA>Vref
Figure 6. Test Circuit 6 for I OFF
IOFF
VINVKA
Electrical Characteristics (Continued)
VIN VKA
R1
IKA
VREF
VIN VKA
IKA
R1
R2 VREF
VKA=VREF (1+R1/R2)+ I REF R1
IREF
R3
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
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Figure 7. Reference Voltage vs. Ambient Temperature Figure 8. Reference Current vs. Ambient Temperature
Figure 9. Cathode Current vs. Cathode Voltage Figure 10. Current vs. Cathode Voltage
Typical Performance Characteristi cs
-60 -40 -20 0 20 40 60 80 100 120 1402.485
2.490
2.495
2.500
2.505
2.510
R e
f e r e n c e
V o
l t a g e
( V )
Ambient Temperature ( oC)
VKA
= VREF
IKA
= 10mA
-60 -40 -20 0 20 40 60 80 100 120 1400.0
0.5
1.0
1.5
R1=10K,R
2=Infinite
IKA
=10mA
R e
f e r e n c e
C u r r e n
t ( A )
Ambient Temperature ( 0C)
-2 -1 0 1 2 3-100
-50
0
50
100
150
C a
t h o
d e
C u r r e n
t ( m A )
Cathode Voltage (V)
VKA
=VREF
T A
=25 0C
-1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5
-200
0
200
400
600
800
C a
t h o
d e
C u r r e n
t ( A )
Cathode Voltage (V)
VKA
=VREF
T A=250C
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
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Figure 11. Off-state Cathode Current vs. Figure 12. Ratio of Delta Reference Voltage to the
Figure 13. Small Signal Voltage Gain vs. Frequency
Ambient Temperature Ratio of Delta Cathode Voltage
Typical Performance Characterist ics (Continued)
-40 -20 0 20 40 60 80 100 1200.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
O f f - S t a
t e C a
t h o
d e
C u r r e n
t ( A )
Ambient Temperature ( oC)
AZ431-20V:VKA
=18V AZ431-40V:V
KA=36V
VREF
=0
-40 -20 0 20 40 60 80 100 120-1.4
-1.3
-1.2
-1.1
-1.0
-0.9 AZ431-20V: VKA
=3.5V to 18V AZ431-40V: V
KA=3.5V to 36V
V
R E F
/ V
K A
( m V / V )
Ambient Temperature ( oC)
1K 10K 100K 1000K0
10
20
30
40
50
601K 10K 100K 1000K
0
10
20
30
40
50
60
T A
= 25 oCIKA
= 10mA
A v
( d B )
Small Signal Frequency
10uF
8.2K
15K I KA
Output
242
GND
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
11
Figure 14. Reference Impedance vs. Frequency
Figure 15. Stability Boundary Conditions vs. Load Capacitance
IKAR1 (10K)
R2
150
1K 10K 100K 1000K0.1
1
10
R e
f e r e n c e
I m p e
d a n c e
( )
Frequency (Hz)
IKA
=10mA
T A
=25 oC
Typical Performance Characterist ics (Continued)
GND
Output
50
1K
IKA
0.01uF 0.1uF 1uF0
10
20
30
40
50
60
70
80
90
100
2uF
B
A
A: VKA
=5VB: V
KA=10V
VKA
=15V: No oscillation
Load Capacitance
C a
t h o
d e
C u r r e n
t ( m A )
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
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Figure 16. Pulse Response of Input and Output Voltage
Pulse
Generator f=100KHz
220
50
Output
GND0 2 4 6
0
1
2
3
4
5
Input
I n p u t a n
d O u
t p u
t V o
l t a g e
( V )
Time ( S)
Output
Typical Performance Characteris tics (Cont inued)
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
14
Figure 21. PWM Converter with Reference
Figure20. Precision 5V 1.5A Regulator
AZ1117VIN VOUT Adjust
8.2K
AZ431
R1R2
R3
250
250
5V, 1.5A
Typical Applications (Continued)
PWM Controller
C1
R1
R2 680
U2
3
4
PS521
C2
2
R3 R4
R5
VOUT
AZ431
Q1COMP
VFB
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
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Mechanical Dimensions
TO-92 Unit: mm (inch)
2.440(0.096)
2.640(0.104)
0.380(0.015)0.550(0.022)
1.600(0.063)
MAX
1 4
. 1 0 0 ( 0
. 5 5 5
)
1 4
. 5 0 0 ( 0
. 5 7 1 )
1.270(0.050)TYP
3 .
3 0 0 ( 0
. 1 3 0 )
3 .
7 0 0 ( 0
. 1 4 6 )
4 .
3 0 0 ( 0
. 1 6 9 )
4 .
7 0 0 ( 0
. 1 8 5
)
1.100(0.043)
1.400(0.055)
4.400(0.173)
4.700(0.185)
3.430(0.135)MIN
0.360(0.014)
0.510(0.020)
0.000(0.000)
0.380(0.015)
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
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SOT-23-3
Mechanical Dimensions (Continued)
Unit: mm
0.600 0.100
2.4000 .100
3 . 0
2.9000.100
0.9500.030
1.900 REF
2. 0
1.3000.100
1.050RE F
1.000 0.100
0.060 0.040
0.550 REF
7. 0
7 . 0
0 . 0
1 0
. 0
0.400 +0.050-0.010
0 .100
+0.050
-0 .020
0.10 0GAUGEPLANE
0.200 MIN
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
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SOT- 89
Mechanical Dimensions (Continued)
Unit: mm
1.40
1.730.10
4.500.10
0.420.420.06
0.500.06
3.00
1. 050.15
2.450.15
4.10 0.15
1.500.10
0.400.04
1 0
3
1 0
*
R0.20
R0.15
00. 076
3
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ADJUSTABLE PRECISION SHUNT REGULATORS AZ431
Data Sheet
Apr. 2005 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
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Mechanical Dimensions (Continued)
Unit: mmSOIC- 8
8
D
44
32
R0 . 1 5
R0 . 1 5
1.00
0.420.09
4.90.10
1.550. 20
0.20 .10
0.90
0.8
6.000.20
0. 220.03
0.700. 025
0.32
0.20
3 .900.1 0
7
7 8
20:1D
1.27
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