SPX431BM5-L [ROCHESTER]
1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495V, PDSO5, ROHS COMPLIANT, MO-178AA, SOT-23, 5 PIN;型号: | SPX431BM5-L |
厂家: | Rochester Electronics |
描述: | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495V, PDSO5, ROHS COMPLIANT, MO-178AA, SOT-23, 5 PIN 光电二极管 输出元件 |
文件: | 总13页 (文件大小:763K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
®
SPX431A,B,C
Precision Adjustable Shunt Regulator
FEATURES
APPLICATIONS
■ Trimmed Bandgap to 0.5%, 1% and 2%
■ Wide Operating Current 1mA to 150mA
■ Battery Operating Equipment
■ Adjustable Supplies
■ Extended Temperature Range:
0°C to 105°C
■ Low Temperature Coefficient 30 ppm/°C
■ Switching Power Supplies
■ Error Amplifiers
■ Single Supply Amplifier
■ Monitors / VCRs / TVs
■ Personal Computers
■ Offered in TO-92, SOIC, SOT-89,
SOT-23-5
■ Improved Replacement in Performance for
Now Available in Lead Free Packaging
TL431
■ Low Cost Solution
Refer to page 3 for pinouts.
DESCRIPTION
The SPX431 is a 3-terminal adjustable shunt voltage regulator providing a highly accurate
bandgap reference. The SPX431 acts as an open-loop error amplifier with a 2.5V temperature
compensation reference. The SPX431's thermal stability, wide operating current (150mA) and
temperature range (0°C to 105°C) makes it suitable for a variety of applications that require a low
cost, high performance solution. SPX431A tolerance of 0.5% is proven to be sufficient to
overcome all of the other errors in the system to virtually eliminate the need for trimming in the
power supply manufacturer's assembly line and contribute a significant cost savings.
The output voltage may be adjusted to any value between V and 36 volts with two external
resistors. The SPX431 is available in TO-92, SOIC-8, SOT-8R9E,Fand SOT-23-5 packages.
TYPICAL APPLICATIONS CIRCUIT
Cathode (K)
Reference
(R)
+
-
2.5V
Anode (A)
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
1
ABSOLUTE MAXIMUM RATINGS
Junction Temperature TJ ........................................................... 150 °C
Storage Temperature TSTG .............................................. -65 to 150 °C
Cathode-Anode Reverse Breakdown VKA ....................................... 37V
Anode-Cathode Forward Current, (<10ms) IAK ................................. 1A
Operating Cathode Current IKA .................................................. 150mA
Reference Input Current IREF ........................................................ 10mA
Continuous Power Dissipation at 25°C PD
NOTE: Stresses greater than those listed under ABSOLUTE MAXIMUM
RATINGS may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or any other
conditions above those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating condi-
tions for extended periods may affect reliability.
TO-92 ..................................................................... 775mW
SOT-23 .................................................................. 200 mW
SOIC-8 .................................................................... 750mW
SOT-89 ................................................................. 1000mW
RECOMMENDED CONDITIONS
TYPICAL THERMAL RESISTANCES
PARAMETER
SYMBOL
VKA
RATING
VREF to 36
10
UNIT
V
PACKAGE
TO-92
0JA
0JC
TYPICAL DERATING
6.3 mW/°C
Cathode Voltage
Cathode Current
160°C/W 80°C/W
575°C/W 150°C/W
175°C/W 45°C/W
110°C/W 8°C/W
IK
mA
SOT-23
SOIC-8
SOT-89
1.7 mW/°C
5.7 mW/°C
9.1 mW/°C
Typical deratings of the thermal resistances are given for ambient
temperature >25°.
ELECTRICAL CHARACTERISTICS
Electrical characteristics at 25°C IK = 10mA VK = VREF, unless otherwise specified.
PARAMETER
SPX431A
SYMBOL FIGURE
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Voltage
VREF
TC
2
2
2.490
2.469
2.503
0.07
2.515
2.536
V
V
TJ = 0°C to 105°C
∆VREF withTemp.*
2
3
0.20
mV/°C
Ratio of Change in VREF
to Cathode Voltage
∆ VREF
∆VK
VREF to 10V
10V to 36V
-2.7
-2.0
-1.0
-0.4
mV/V
0.3
4.0
1.2
1.0
250
0.5
Reference Input Current
IREF Temp Deviation
Min IK for Regulation
Off State Leakage
IREF
∆IREF
IK(MIN)
IK(OFF)
ZKA
3
3
2
4
2
0.7
0.4
µA
µA
mA
nA
Ω
TJ = 0°C to 105°C
0.4
VREF = 0V, VKA = 36V
0.04
0.15
Dynamic Output
Impedance
ƒz = 1kHz
IK = 1 to 150mA
SPX431B
Reference Voltage
VREF
TC
2
2
2.470
2.449
2.495
0.07
2.520
2.541
V
V
TJ = 0°C to 105°C
∆VREF withTemp.*
2
3
0.20
mV/°C
Ratio of Change in VREF
to Cathode Voltage
∆ VREF
∆VK
VREF to 10V
10V to 36V
-2.7
-2.0
-1.0
-0.4
mV/V
0.3
4.0
1.2
1.0
500
0.5
Reference Input Current
IREF Temp Deviation
Min IK for Regulation
Off State Leakage
IREF
∆IREF
IK(MIN)
IK(OFF)
ZKA
3
3
2
4
2
0.7
0.4
µA
µA
mA
nA
Ω
TJ = 0°C to 105°C
0.4
VREF = 0V, VKA = 36V
0.04
0.15
Dynamic Output
Impedance
ƒz = 1kHz
IK = 1 to 150mA
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
2
PARAMETER
SPX431C
SYMBOL
FIGURE
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Voltage
VREF
TC
2
2
2.445
2.495
0.07
2.545
0.20
V
V
TJ = 0°C to 105°C
∆VREF withTemp.*
2
3
mV/°C
Ratio of Change in VREF
to Cathode Voltage
∆ VREF
∆VK
VREF to 10V
10V to 36V
-2.7
-2.0
-1.0
-0.4
mV/V
0.3
4.0
Reference Input Current
IREF Temp Deviation
Min IK for Regulation
Off State Leakage
IREF
∆IREF
IK(MIN)
IK(OFF)
ZKA
3
3
2
4
2
0.7
0.4
µA
µA
mA
nA
Ω
TJ = 0°C to 105°C
1.2
0.4
1.0
VREF = 0V, VKA = 36V
0.04
0.15
1000
0.5
Dynamic Output
Impedance
ƒz = 1kHz
IK = 1 to 150mA
Operating Range (TJ ) = -40°C to 125°C.
* See appropiate test circuit (Figure 2)
CALCULATING AVERAGE TEMPERATURE COEFFICIENT (TC)
mV
0
ppm
0
%
0
∆
VREF (mV)
TA
∆
VREF
•
TC in mV/°C =
∆
∆
T
∆
VREF
x 100
x 106
-10
(
∆
VREF at 25°C
)
)
•
TC in %/°C =
5000
0.5
∆TA
∆
VREF
(
∆
VREF at 25°C
•
TC in ppm/°C =
0
15
30
45
60
75
90
105
∆TA
Junction Temperature (°C)
0.07 mV/°C
0.003 %/°C
27 ppm/°C
Figure 1. VREF VS Temperature.
PACKAGE PINOUTS
8-Pin Surface Mount (S)
SOT-23-5 (M5)
REF
SOT-89 (M1)
SPX431
TO-92 (N)
ANODE
1
2
3
5
4
3
REF
1
2
3
4
8
7
6
5
CATHODE
ANODE
ANODE
N/C
SPX431
2
1
ANODE
ANODE
N/C
2
3
1
SPX431
CATHODE
REF
REF
CATHODE
N/C
N/C CATHODE
ANODE
ANODE
Bottom View
Top View
Top View
Top View
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
3
TEST CIRCUITS
VIN
VKA
=
VREF
VIN
VKA
VIN
VKA
IK (OFF)
R1
IK
IREF
IK
IREF
(VREF
)
R2
Figure 2. Test Circuit for VKA = VREF
Figure 3. Test Circuit for VKA > VREF
Figure 4. Test Circuit for IKOFF
TYPICAL PERFORMANCE CHARACTERISTICS
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
150
125
V
K
= V
REF
KA
= 10mA
V
= V
REF
KA
I
0°C to 105°C
100
75
50
25
0
-25
-50
-75
-100
-2
-1
0
1
2
3
-60
-30
0
30
60
90
120
V
Cathode Voltage (V)
KA
T
Ambient Temperature (°C)
A
Figure 5. High Current Operating Characteristics
Figure 6. Reference Voltage VS Ambient Tempetature
3.0
900
800
R1 = 10kΩ
R2 = ∞
K
V
= V
REF
2.5
KA
I
= 10mA
0° to 105°C
700
600
500
400
300
200
100
0
2.0
1.5
1.0
0.5
0
105°C
25°C
-0°C
-100
-200
-1.0
-60
-30
0
30
60
90
120
0
1.0
2.0
3.0
T
A
Ambient Temperature (°C)
V
KA
Cathode Voltage (V)
Figure 8. Reference Input Current VS Ambient
Temperature
Figure 7. Low Current Operating Characteristics
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
4
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
0
-10
-20
-30
-40
70
60
50
40
30
20
0°C
25°C
75°C
125°C
I
= 10mA
KA
VKA = VREF
10 IK = 10mA
TA = 25°C
0
10
-50
0
3
6
9
12 15 18 21 24 27 30
100
1K
10K
100K
V
Cathode Voltage (V)
KA
f Frequency (Hz)
Figure 10. Noise Voltage VS Frequency
Figure 9. Reference Voltage Line Regulation VS
Cathode Voltage and TAMBIENT
REF LEVEL
60.000dB
0.0deg
/DIV
10.000dB
45.000deg
MARKER 19 422 611.000Hz
MAG (A/R) -0.125dB
MARKER 19 422 611.000Hz
0.150
PHASE (A/R)
46.717deg
60dB
50dB
40dB
30dB
20dB
10dB
0dB
V
= V
REF
215°
KA
I
K
= 1 to 100mA
0.125
0.100
0.075
0.050
0.025
0.0
180°
135°
90°
f≤1kHz
PHASE
45°
0°
GAIN
-45°
-90°
-135°
-180°
-215°
-10dB
-20dB
-30dB
-40dB
-60
-30
0
30
60
90
120
10
100
1K
10K
100K
1M
10M
T
A
Free Air Temperature
START 10.000Hz
STOP 50 000 000.000Hz
Figure 12. Small Signal Gain and Phase VS Frequency;
IK = 10mA, TA = 25°C
Figure 11. Low Frequency Dynamic Output Impedance
VS TAMBIENT
VOUT
V
IN
230Ω
15kΩ
IK
9µF
V
OUT
VIN
8.25kΩ
GND
Figure 13. Test Circuit for Gain and Phase Frequency
Response
Figure 14. FZ = 100kHz, IK = 10mA, TA = 25°C
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
5
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
100
VIN
A: V = V
KA REF
90
80
70
60
50
40
30
20
10
0
250Ω
B: V = 5V at I =10mA
KA
K
C: V =10V at I =10mA
KA
K
V
OUT
D: V =15V at I =10mA
KA
K
C
IK
fp = 100kHz
50Ω
STABLE
STABLE
A
T
A = 25°C
B
D
100 101 102
103 104 105 106 107
GND
C
L
Load Capacitance (pF)
Figure 16. Stability Boundry Conditions
Figure 15. Test Circuit for Pulse Response
100
150 Ω
TA = 25 °C
IK
=
1 to 100mA
IK
10
1.0
R
CL
10kΩ
0.1
0.01
1K
10K
100K
1M
10M
f Frequency (Hz)
Figure 18. Dynamic Output Impedance TA = 25°C,
Figure 17. Test Circuit for Stability
IK = 1 to 100mA
100
10
R3
V
V
IN
OUT
R1
0.1%
V
V
= 36V
KA
= 0V
REF
1
V
REF
SPX431A,B,C
0.1
R2
0.1%
0.01
-50
0
50
100
150
T
Ambient Temperature (°C)
A
Figure 19. Off State Leakage
Figure 20. Shunt Regulator VOUT = (1+R1/R2)VREF
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
6
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
V
V
IN
OUT
I
SINK
Q1
R3
R2
R1
0.1%
Opto Isolator
R3 sets feedback gain,
C1 provides feedback
compensation
Isolated
Feedback
SPX431A,B,C
C1
+
C2
R1
0.1%
SPX431A,B,C
R2
0.1%
V
RTN
OUT
Figure 22. Reference Amplifier for Isolated Feedback in
Off-Line DC-DC Converters
Figure 21. Constant Current, Sink, ISINK = VREF/R1
V
V
IN
V
OUT
IN
R5
R4
R1
0.1%
R3
R2
0.1%
Q1
R3
R1
0.1%
C1
V
OUT
SPX431A,B,C
SPX431A,B,C
R2
0.1%
Figure 24. High Current Shunt regulator
VOUT = (1+R1/R2)VREF
Figure 23. Precision High Current Series Regulator
VOUT = (1+R1/R2)VREF
V
CC
* Resistor values are chosen such that the effect to
IREF is negligible.
R2
V
OUT
R1
V
IN
SPX431A,B,C
Figure 25. Single Supply Comparator with Temperature
Compensated Threshold. VIN threshold = 2.5V
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
7
PACKAGE: 8 PIN NSOIC
D
Ø
e
E/2
L2
E1
E1/2
E
Ø
Seating Plane
Ø1
L
L1
Gauge Plane
VIEW C
1
b
INDEX AREA
(D/2 X E1/2)
TOP VIEW
A1
A
Seating Plane
A2
SIDE VIEW
8 Pin NSOIC JEDEC MO-012 (AA) Variation
MIN
1.35
0.1
1.25
0.31
0.17
NOM
-
-
-
-
-
MAX
1.75
0.25
1.65
0.51
0.24
SYMBOL
A
A1
A2
b
B
B
SEE VIEW C
c
D
E
E1
e
L
4.90 BSC
6.00 BSC
3.90 BSC
1.27 BSC
-
0.4
1.27
b
L1
L2
ø
1.04 REF
0.25 BSC
-
0º
5º
8º
15º
ø1
-
c
Note: Dimensions in (mm)
BASE METAL
SECTION B-B
WITH PLATING
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
8
PACKAGE: 5 PIN SOT-23
D
e1
N
N/2
+1
E/2
E1/2
B
B
E
E1
SEE VIEW C
VIEW A-A
1
2
N/2
e
Ø
b
Gauge Plane
Ø
L
Seating Plane
Ø
L
L1
VIEW C
5 Pin SOT-23 JEDEC MO-178 (AA) Variation
MIN
-
0
0.9
0.3
0.08
NOM
-
-
1.15
-
-
MAX
1.45
0.15
1.3
0.5
0.22
SYMBOL
A
A1
A2
b
A2
A
Seating Plane
c
D
E
E1
e
e1
L
L1
L2
Ø
2.90 BSC
2.80 BSC
1.60 BSC
0.95 BSC
1.90 BSC
0.45
0.60 REF
0.25 BSC
4º
A1
SIDE VIEW
b
0.3
0.6
WITH PLATING
0º
5º
8º
15º
ø
10º
c
Note: Dimensions in (mm)
BASE METAL
SECTION B-B
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
9
PACKAGE: 3 PIN SOT-89
D
D1
3
Ø1.0
E
H
5º(2x)
L
1
2
e
e1
C
8º(2x)
3 Pin SOT-89
MIN
0.36
0.8
NOM
0.42
-
MAX
0.48
1.2
SYMBOL
b
L
b1
C
D
D1
H
E
0.41
0.38
4.4
1.4
3.94
2.4
0.47
0.4
4.5
1.6
-
2.5
1.5
3
0.53
0.43
4.6
1.75
4.25
2.6
Ro.15
e
e1
1.45
2.9
1.55
3.1
b
b
b1
Note: Dimensions in (mm)
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
10
PACKAGE: 3 PIN TO-92
L
e1
e
W
D
A
b
S1
3 Pin TO-92
MIN
0.17
0.014
0.13
0.95
0.045
0.5
0.085
0.045
0.016
0.175
4º
NOM
MAX
0.195
0.02
0.155
0.105
0.055
0.61
0.095
0.06
0.022
0.195
6º
SYMBOL
A
b
E
e
e1
L
-
-
-
-
-
-
-
-
-
-
-
R
E
R
S1
W
D
a
Note: Dimensions in (inches)
a(2x)
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
11
ORDERING INFORMATION
OUTPUT VOLTAGE PACKAGES
PART NUMBER
ACCURACY
SPX431AM5 ........................ 0.5% ..................... 2.503V ......................... 5-Pin SOT-23
SPX431AM5/TR .................. 0.5% ..................... 2.503V ......................... 5-Pin SOT-23
SPX431AM1 ........................ 0.5% ..................... 2.503V ......................... 3-Pin SOT-89
SPX431AM1/TR .................. 0.5% ..................... 2.503V ......................... 3-Pin SOT-89
SPX431AS .......................... 0.5% ..................... 2.503V ............................. 8-Pin SOIC
SPX431AS/TR..................... 0.5% ..................... 2.503V ............................. 8-Pin SOIC
SPX431AN .......................... 0.5% ..................... 2.503V ........................... 3-Pin TO-92
SPX431AN/TR .................... 0.5% ..................... 2.503V ........................... 3-Pin TO-92
SPX431BM5 ........................ 1.0% ..................... 2.495V ......................... 5-Pin SOT-23
SPX431BM5/TR .................. 1.0% ..................... 2.495V ......................... 5-Pin SOT-23
SPX431BM1 ........................ 1.0% ..................... 2.495V ......................... 3-Pin SOT-89
SPX431BM1/TR .................. 1.0% ..................... 2.495V ......................... 3-Pin SOT-89
SPX431BS .......................... 1.0% ..................... 2.495V ............................. 8-Pin SOIC
SPX431BS/TR..................... 1.0% ..................... 2.495V ............................. 8-Pin SOIC
SPX431BN .......................... 1.0% ..................... 2.495V ........................... 3-Pin TO-92
SPX431BN/TR .................... 1.0% ..................... 2.495V ........................... 3-Pin TO-92
SPX431CM5........................ 2.0% ..................... 2.495V ......................... 5-Pin SOT-23
SPX431CM5/TR .................. 2.0% ..................... 2.495V ......................... 5-Pin SOT-23
SPX431CM1........................ 2.0% ..................... 2.495V ......................... 3-Pin SOT-89
SPX431CM1/TR .................. 2.0% ..................... 2.495V ......................... 3-Pin SOT-89
SPX431CS .......................... 2.0% ..................... 2.495V ............................. 8-Pin SOIC
SPX431CS/TR .................... 2.0% ..................... 2.495V ............................. 8-Pin SOIC
SPX431CN .......................... 2.0% ..................... 2.495V ........................... 3-Pin TO-92
SPX431CN/TR .................... 2.0% ..................... 2.495V ........................... 3-Pin TO-92
Available in lead free packaging. To order add “-L” suffix to part number.
Example: SPX431AM5/TR = standard; SPX431AM5-L/TR = lead free
/TR = Tape and Reel
Pack quantity is 2,000 for TO-92 and 2,500 for
SOT-23, SOT-89 and NSOIC.
CLICK HERE TO ORDER SAMPLES
Corporation
ANALOG EXCELLENCE
Sipex Corporation
Headquarters and
Sales Office
22 Linnell Circle
Billerica, MA 01821
TEL: (978) 667-8700
FAX: (978) 670-9001
e-mail: sales@sipex.com
Date: 1/19/05
SPX431A,B,C Precision Adjustable Shunt Regulator
© Copyright 2005 Sipex Corporation
12
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EXAR
SPX431BS-L
Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, PDSO8, ROHS COMPLIANT, MS-012AA, SOIC-8
SIPEX
SPX431BS-L/TR
Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, PDSO8, ROHS COMPLIANT, MS-012AA, SOIC-8
SIPEX
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