SPX431LAN-L [SIPEX]
Two Terminal Voltage Reference, 1 Output, 2.503V, Trim/Adjustable, PBCY3, TO-92, 3 PIN;型号: | SPX431LAN-L |
厂家: | SIPEX CORPORATION |
描述: | Two Terminal Voltage Reference, 1 Output, 2.503V, Trim/Adjustable, PBCY3, TO-92, 3 PIN 稳压器 |
文件: | 总8页 (文件大小:161K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
SPX431
Precision Adjustable Shunt Regulator
FEATURES
APPLICATIONS
• Battery Operating Equipments
• Adjustable Supplies
• Trimmed Bandgap to 0.5%
• Wide Operating Current..........................1mA to 150mA
• Extended Temperature Range....................0°C to 105°C
• Low Temperature Coefficient ............................30 ppm/°C
• Offered in TO-92, SOIC, SOT-89, SOT-23-5
• Improved Replacement in Performance for TL431
• Low Cost Solution
• Switching Power Supplies
• Error Amplifiers
• Single Supply Amplifier
• Monitors / VCR / TV
• Personal Computers
PRODUCT DESCRIPTION
The SPX431 is a 3-terminal adjustable shunt voltage regulator providing a highly accurate 0.5% bandgap reference. SPX431 acts as an
open-loop error amplifier with a 2.5V temperature compensation reference. The SPX431 thermal stability, wide operating current
(150mA) and temperature range (0°C to 105°C) makes it suitable for all variety of application that are looking for a low cost solution
with high performance. SPX431 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 manufactures assembly line and contribute a significant cost
savings.
The output voltage may be adjusted to any value between VREF and 36 volts with two external resistors. The SPX431 is operating an
extended temperature range of 0°C to 105°C. The SPX431 is available in TO-92, SO-8, SOT-89, and SOT-23-5 packages.
PIN CONFIGURATIONS
SOT-23-5 (M5)
SOT-89 (M1)
8-Pin Surface Mount (S)
TO-92 (N)
REF
ANODE
1
2
3
5
4
3
REF
1
2
3
4
8
7
6
5
CATHODE
ANODE
ANODE
N/C
SPX431
SPX431
1
1
3
2
ANODE
ANODE
N/C
2
SPX431
CATHODE
REF
REF
CATHODE
N/C
N/C CATHODE
ANODE
ANODE
Top View
Top View
Bottom View
Top View
Rev. 10/30/00
SPX431
CATHODE (K)
REFERENCE
(R)
+
-
2.5V
ANODE (A)
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATING
UNITS
V
A
mA
mA
Cathode-Anode Reverse Breakdown
Anode-Cathode Forward Current
Operating Cathode Current
Reference Input Current
Continuous Power Dissipation at 25° C
TO-92
VKA
IAK
IKA
IREF
PD
37
1
150
10
775
200
mW
mW
mW
mW
°C
°C
°C
SOT-23
750
8L SOIC
1000
150
SOT-89
Junction Temperature
Storage Temperature
Lead Temperature (Soldering 10 sec.)
TJ
TSTG
TL
- 65 to 150
300
Stresses greater than those listed under ABSULUTE 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 conditions for extended periods may affect reliability.
RECOMMENDED CONDITIONS
TYPICAL THERMAL RESISTANCES
PARAMETER
Cathode Voltage
Cathode Current
SYMBOL RATING UNIT
PACKAGE
TO-92
0JA
0JC
TYPICAL DERATING
6.3 mW/°C
VKA
IK
VREF to 20
10
V
160 °C/W
80 °C/W
mA
SOT-23
575 °C/W 150 °C/W
1.7 mW/°C
SOIC
SOT-89
175 °C/W
110 °C/W
45 °C/W
8 °C/W
5.7 mW/°C
9.1 mW/°C
Rev. 10/30/00
SPX431
ELECTRICAL CHARACTERISTICS at 25°C IK @ 10mA VK = VREF, unless otherwise specified.
Parameter
Symbol
Test Conditions Test Circuit
SPX431
Unit
Min
Typ
Max
Reference Voltage
VREF
1
1
1
2.490
2.503
2.515
2.536
0.20
V
V
mV/°C
mV/V
TA = 25°C
2.469
Over Temp.
TC
∆ VREF
∆VK
0.07
-1.0
-0.4
∆VREF with Temp.∗
Ratio of Change in VREF to
Cathode Voltage
Reference Input Current
IREF Temp Deviation
Min IK for Regulation
Off State Leakage
VREF to 10V
10V to 36V
-2.7
-2
2
2
2
1
0.3
4
1.2
1
250
IREF
0.7
µA
µA
mA
nA
Over Temp.
VREF = 0V,
0.4
∆IREF
IK(MIN)
IK(OFF)
0.4
0.04
V
KA = 36V
3
1
Dynamic Output Impedance
TC = Test Circuit
ZKA
0.15
0.5
Ω
Calculating Average Temperature Coefficient (TC)
∆
VREF (mV)
0
0
0
TC in mV/°C =
TC in %/°C =
TC in ppm/°C =
∆
TA
∆
VREF
)
∆Τ
∆
VREF
x 100
)
VREF at 25°C
-10
∆
TA
5000 0.5
)
∆
VREF
x 106
)
VREF at 25°C
-20
-55 -25
0
25 50 75 100 125
Temperature (°C)
0.06 mV/°C
∆
TA
0.002 %/°C
24 ppm/°C
TEST CIRCUITS
VIN
VKA = VREF
VIN
VKA
VIN
VKA
IREF
IK
IK
IK (OFF)
R1
(VREF
IREF
)
R2
1a. Test Circuit 1
1b. Test Circuit 2
1c. Test Circuit 3
Figure
Figure
Figure
Rev. 10/30/00
SPX431
TYPICAL PERFORMANCE CURVES
High Current Operating Characteristics
Low Current Operating Characteristics
150
125
100
75
900
VKA= VREF
VKA = V
Temperature Range: -R0EF°C to 125 °C
800
Temperature Range: - 0°C to 105 °C
700
600
500
400
50
25
105 °C
25 °C
-0 °C
300
200
100
0
-25
-50
-75
-100
0
-100
-200
-2
-1
0
1
2
3
-1.0
0
1.0
2.0
3.0
VKA - Cathode Voltage (V)
Figure 3
VKA - Cathode Voltage (V)
Figure 2
Off State Leakage
Reference Voltage vs. Ambient Temperature
100
10
2.53
VKA= VREF
IK = 10 mA
VKA= 36V
VREF= 0V
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
V
REF= 2.500 V at 25 °C
1
0.1
0.01
-60
-30
0
30
60
90
120
-60
-30
0
30
60
90
120
TA - Ambient Temperature ( °C)
Figure 4
TA - Ambient Temperature ( °C)
Figure 5
Rev. 10/30/00
SPX431
TYPICAL PERFORMANCE CURVES
Reference Voltage Line Regulation
Reference Input Current
3.0
0
-10
-20
-30
R1 = 10 k
R2 =
IK = 10 mA
Ω
∞
2.5
2.0
1.5
1.0
0.5
0
0 °C
25 °C
75 °C
105 °C
-40
-50
-60
-30
0
30
60
90
120
0
3
6
9
12
15
18
21
24
27
30
TA - Ambient Temperature ( °C)
Figure 6
VKA - Cathode Voltage (V)
Figure 7
Low Frequency Dynamic Output Impedance
Noise Voltage
0.150
0.125
0.100
0.075
0.050
0.025
0.0
70
VKA = V
REF
IKA = 1 to 100 mA
f < 1 kHz
60
50
40
30
20
10
0
VKA = VREF
IK = 10 mA
TA = 25°C
-60
-30
0
30
60
90
120
10
100
1 k
10 k
100 k
TA - Free Air Temperature
Figure 9
f - Frequency (Hz)
Figure 8
Rev. 10/30/00
SPX431
TYPICAL PERFORMANCE CURVES
Dynamic Output Impedance
100
T
= 25 °C
IKA= 1 to 100 mA
10
1.0
0.1
0.01
1 k
10 k
100 k
1 M
10 M
f - Frequency (Hz)
Figure 10
Small Signal Voltage Gain vs. Frequency
70
60
50
40
30
20
10
0
Temperature Range: -0°C to 105 °C
IK = 10 mA
OUT
230
Ω
IK
15 k
9
F
µ
8.25 k
GND
1 k
10 k
100 k
1 M
10 M
f - Frequency (Hz)
Figure 11
Rev. 10/30/00
SPX431
TYPICAL PERFORMANCE CURVES
Pulse Response
6
INPUT
5
INPUT
MONITOR
220
Ω
4
OUT
3
OUTPUT
50
Ω
2
1
fP = 100 kHz
GND
0
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
µ
t - Time ( s)
Figure 12
Stability Boundary Conditions
100
90
80
70
60
50
40
30
20
10
0
A: VKA= VREF
B: V = 5V at I = 10 mA
C: VKA= 10V at KI = 10 mA
D: VKA= 15V at I KK = 10 mA
KA
C
150
Ω
IK
STABILITY
REGION
CL
10 k
A
B
TA = 25 °C
101
D
100
102
103
104
105
106
107
CL - Load Capacitance (pF)
Figure 13
Rev. 10/30/00
SPX431
ORDERING INFORMATION
Ordering No. Precision Output Accuracy
Packages
5 Lead SOT-23
5 Lead SOT-89
8 Lead SOIC
3 Lead TO-92
0.5%
0.5%
0.5%
0.5%
2.5V
2.5V
2.5V
2.5V
SPX431M5
SPX431M1
SPX431S
SPX431N
Corporation
SIGNAL PROCESSING EXCELLENCE
Sipex Corporation
Headquarters and Main Offices:
22 Linnell Circle
Billerica, MA 01821
TEL: (978) 667-8700
FAX: (978) 670-9001
e-mail: sales@sipex.com
233 South Hillview Drive
Milpitas, CA 95035
TEL: (408) 935-7600
FAX: (408) 934-7500
Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the application or use of any product or circuit described
hereing; neither does it convey any license under its patent rights nor the rights of others.
Rev. 10/30/00
相关型号:
SPX431LAN-L/TR
Two Terminal Voltage Reference, 1 Output, 2.503V, Trim/Adjustable, PBCY3, TO-92, 3 PIN
SIPEX
SPX431LAS-L
Two Terminal Voltage Reference, 1 Output, 2.503V, Trim/Adjustable, PDSO8, PLASTIC, SOIC-8
SIPEX
SPX431LAS-L/TR
Two Terminal Voltage Reference, 1 Output, 2.503V, Trim/Adjustable, PDSO8, PLASTIC, SOIC-8
SIPEX
SPX431LCM-L
Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, PDSO3, SOT-23, 3 PIN
SIPEX
©2020 ICPDF网 联系我们和版权申明