SPX431LCN-L datasheet, PDF - EEWORLD Datasheet

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SPX431LCN-L: DescriptionTwo Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, PBCY3, TO-92, 3 PIN; CategoryPower/power management The power supply circuit; File Size97KB，12 Pages; ManufacturerSIPEX; Websitehttp://www.sipex.com/; Environmental Compliance

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SPX431LCN-L Overview

Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, PBCY3, TO-92, 3 PIN

SPX431LCN-L Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	SIPEX
package instruction	TO-92, 3 PIN
Reach Compliance Code	unknown
Other features	OUTPUT CAN BE ADJUSTED FROM 2.495V TO 20V WITH TWO EXTERNAL RESISTORS
Analog Integrated Circuits - Other Types	TWO TERMINAL VOLTAGE REFERENCE
JESD-30 code	O-PBCY-T3
JESD-609 code	e3
Number of functions	1
Output times	1
Number of terminals	3
Maximum operating temperature	105 °C
Minimum operating temperature
Maximum output voltage	2.545 V
Minimum output voltage	2.445 V
Nominal output voltage	2.495 V
Package body material	PLASTIC/EPOXY
encapsulated code	TO-92
Package shape	ROUND
Package form	CYLINDRICAL
Peak Reflow Temperature (Celsius)	NOT APPLICABLE
Certification status	Not Qualified
surface mount	NO
Temperature level	OTHER
Terminal surface	Matte Tin (Sn)
Terminal form	THROUGH-HOLE
Terminal location	BOTTOM
Maximum time at peak reflow temperature	NOT APPLICABLE
Fine-tuning/adjustable output	YES

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SPX431L

Precision Adjustable Shunt Regulator

FEATURES

■

Tight Voltage Tolerance 0.5% at 10mA

■

Wide Operating Current 1mA to 100mA

■

Extended Temperature Range:

0°C to 105°C

■

Low Temperature Coefficient 30 ppm/°C

■

Improved Replacement in Performance for

TL431 and AS431

■

Low Cost Solution

APPLICATIONS

■

Battery Operating Equipment

■

Adjustable Supplies

■

Switching Power Supplies

ANODE

SPX431L

3 Pin SOT-23

REF

CATHODE

Now Available in Lead Free Packaging

■

Error Amplifiers

Single Supply Amplifier

Monitors / VCRs / TVs

Personal Computers

DESCRIPTION

The SPX431L is a 3-terminal adjustable shunt voltage regulator providing a highly accurate

bandgap reference. The SPX431L acts as an open-loop error amplifier with a 2.5V temperature

compensation reference. The SPX431L’s thermal stability, wide operating current (100mA) and

temperature range (0°C to 105°C) makes it suitable for a variety of applications that require a

low cost, high performance solution. SPX431L 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

REF

and 20V with two external

resistors. The SPX431L is available in TO-92, SOIC-8, SOT-89, and SOT-23-3 packages.

BLOCK DIAGRAM

Cathode (K)

Reference

(R)

2.5V

Anode (A)

Date: 5/25/04

SPX431L Precision Adjustable Shunt Regulator

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