SPX431C Sipexoration, SPX431C Datasheet

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SPX431C

Manufacturer Part Number
SPX431C
Description
Precision Adjustable Shunt Regulator
Manufacturer
Sipexoration
Datasheet

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FEATURES
PRODUCT DESCRIPTION
The SPX431C is a 3-Terminal Adjustable Shunt Voltage Regulator providing a highly accurate bandgap reference. SPX431C acts as
an open-loop error amplifier with a 2.5V temperature compensation reference. The SPX431C thermal stability, wide operating current
(150mA) and temperature range (105°C) makes it suitable for all variety of applications that are looking for a low cost solution with
high performance.
The output voltage may be adjusted to any value between V
industrial temperature range of 0°C to 105°C. The SPX431C is available in TO-92, SOT-23-5 and SOT-89 packages.
Wide Operating Current…………………….1mA to 150mA
Extended Termperature Range……………………… 105° ° ° ° C
Low Temperature Coeffecient 30 ppm/°C
Offered in TO-92, SOT-89 & SOT-23-5 Packages
Improved Replacement in Performance for TL431
Low Cost Solution
SOT-23-5 (M5)
N/C N/C
REF
Top View
SPX431C
REFERENCE
5
1
(R)
2
ANODE
CATHODE
4
3
PIN CONFIGURATION
REF
SOT-89 (M1)
1
SPX431C
Top View
ANODE
2.5V
REF
2
and 36V with 2 external resistors. The SPX431C is operating in full
3
+
-
CATHODE
Precision Adjustable Shunt Regulator
CATHODE (K)
ANODE (A)
REF
APPLICATIONS
1
TO-92 (N)
Bottom View
Battery Operating Equipments
Adjustable Supplies
Switching Power Supplies
Error Amplifiers
Single Supply Amplifier
Monitors / VCR / TV
Personal Computers
ANODE
2
3
CATHODE
SPX431C
Rev. 10/30/00

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SPX431C Summary of contents

Page 1

... Low Cost Solution PRODUCT DESCRIPTION The SPX431C is a 3-Terminal Adjustable Shunt Voltage Regulator providing a highly accurate bandgap reference. SPX431C acts as an open-loop error amplifier with a 2.5V temperature compensation reference. The SPX431C thermal stability, wide operating current (150mA) and temperature range (105°C) makes it suitable for all variety of applications that are looking for a low cost solution with high performance ...

Page 2

... JA JC 160°C/W 80°C/W 575°C/W 150°C/W 110°C/W 8°C/W , unless otherwise specified. ref SPX431C Min Typ 2.445 2.495 -2.7 -1.0 -2 -0.4 0.7 0.4 0.4 0.04 0.15 SPX431C Units °C °C °C Typical Derating 6.3 mW/°C 1.7 mW/°C 9.1 mW/°C Unit Max 2.545 V mV/V 0.3 4 µA 1.2 µ ...

Page 3

... V KA REF ∆V (mV) REF TC in mV/°C = ∆ ∆V REF ∆V at 25°C REF TC in mV/°C = ∆T ( ∆V REF ∆V at 25°C REF TC in ppm/° 1G-39 TEST CIRCUIT For I ROFF SPX431C ) x 100 ∆ (OFF) 1G-40 Rev. 10/30/00 ...

Page 4

... Figure 4 150 125 100 -25 -50 -75 -100 -2 2.0 3.0 2.53 2.52 2.51 2.50 2.49 2.48 2.47 2.46 2. 120 -60 SPX431C High Current Operating Characteristics REF Temperature Range: - 0°C to 125 ° Cathode Voltage (V) KA Figure 3 Reference Voltage vs. Ambient Temperature REF 2.500 °C REF - ...

Page 5

... R2 = ∞ -10 -20 -30 -40 - 120 0.150 0.125 0.100 0.075 0.050 0.025 0.0 - 100 k SPX431C Reference Voltage Line Regulation 0 °C 25 °C 75 °C 105 ° Cathode Voltage (V) KA Figure 7 Low Frequency Dynamic Output Impedance ...

Page 6

... Frequency (Hz) 100 0. Figure 11 Dynamic Output Impedance ° 100 1.0 0 100 Frequency (Hz) Figure µF 8.25 k SPX431C OUT 230 Ω GND Rev. 10/30/00 ...

Page 7

... STABILITY REGION ° Load Capacitance (pF 100 kHz Figure Figure 13 SPX431C INPUT MONITOR 220 Ω OUT 50 Ω GND 150 Ω Rev. 10/30/00 ...

Page 8

... 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. ORDERING INFORMATION Precision Output Voltage . 2% 2.5V 2% 2.5V 2% 2.5V SPX431C Packages 5 Lead SOT-23 3 Lead SOT-89 3 Lead TO-92 Rev. 10/30/00 ...

Page 9

Rev. 10/30/00 ...

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