ZR431LF02TA Diodes Inc, ZR431LF02TA Datasheet

Voltage & Current References 1.25 2.5% 2431 Prog

ZR431LF02TA

Manufacturer Part Number
ZR431LF02TA
Description
Voltage & Current References 1.25 2.5% 2431 Prog
Manufacturer
Diodes Inc
Datasheets
1.ZR431LF02TA.pdf (10 pages)
2.ZR431LF01TA.pdf (9 pages)

Specifications of ZR431LF02TA

Product
Voltage References
Topology
Shunt References
Output Voltage
1.24 V to 10 V
Initial Accuracy
2.5 %
Average Temperature Coefficient (typ)
50 ppm/C
Series Vref - Input Voltage (max)
10 V
Shunt Current (max)
25 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Shunt Current (min)
100 uA
Reference Type
Adjustable
Package / Case
SOT-23
Reference Voltage
1.24V
Reference Voltage Tolerance
12mV
Temperature Coefficient
± 50ppm/°C
Voltage Reference Case Style
SOT-23
No. Of Pins
3
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
ZR431LF02TA
Manufacturer:
ZETEX
Quantity:
20 000
ADJUSTABLE PRECISION SHUNT REGULATOR
SUMMARY
DESCRIPTION
The ZR431L is a three terminal adjustable shunt regulator offering excellent
temperature stability and output current handling capability up to 25mA. The
output voltage may be set to any chosen voltage between 1.24 and 10 volts
by selection of two external divider resistors.
The devices can be used as a replacement for zener diodes in many
applications requiring an improvement in zener performance.
The ZR431L is particularly used in the feedback control loop of switch mode
power supplies. In this application the device 1.24 volt reference enables the
generation of low voltage supplies, typically 3.3. volts or 3 volts.
FEATURES
•
•
•
•
•
•
APPLICATIONS
•
•
•
•
•
ORDERING INFORMATION
ISSUE 2 - AUGUST 2003
DEVICE
ZR431LF01TA
ZR431LF02TA
ZR431LC01STOB
ZR431LC02STOB
ZR431LC01L
ZR431LC02L
2.5% and 1% tolerance
Max. temperature coefficient 50 ppm/°C
Temperature compensated for operation over the full temperature range
100 A to 25mA current sink capability
Surface mount SOT23 package
TO92 package
Switch mode power supplies
Shunt regulator
Series regulator
Voltage monitor
Over voltage / under voltage protection
SOT23
SOT23
PACK
TO92
TO92
TO92
TO92
TOL %
2.5
2.5
2.5
1
1
1
LOOSE
LOOSE
REEL
SIZE
7”
7”
1
QUANTITY
PER REEL
3000
3000
1500
1500
PART MARK
ZR431L01
ZR431L02
ZR431L01
ZR431L02
43M
43L
S E M I C O N D U C T O R S
Underside
ZR431L
Top View
SOT23
TO92
View

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ZR431LF02TA Summary of contents

Page 1

... Switch mode power supplies • Shunt regulator • Series regulator • Voltage monitor • Over voltage / under voltage protection ORDERING INFORMATION DEVICE PACK TOL % ZR431LF01TA SOT23 ZR431LF02TA SOT23 ZR431LC01STOB TO92 ZR431LC02STOB TO92 ZR431LC01L TO92 ZR431LC02L TO92 ISSUE 2 - AUGUST 2003 REEL QUANTITY PART MARK SIZE ...

Page 2

ZR431L ABSOLUTE MAXIMUM RATINGS PARAMETER Cathode Voltage Cathode Current Operating Temperature Storage Temperature RECOMMENDED OPERATING CONDITIONS PARAMETER Cathode Voltage Cathode Current POWER DISSIPATION (at T amb PACKAGE SOT23 TO92 ...

Page 3

ISSUE 2 - AUGUST 2003 BLOCK DIAGRAM Deviation of reference input voltage, V maximum variation of the reference input voltage over the full temperature range. The average temperature coefficient of the reference input voltage defined as: ref V ...

Page 4

ZR431L ELECTRICAL CHARACTERISTICS (at T PARAMETER Reference Voltage 2.5% 1.0% Deviation of Reference Input Voltage over Temperature Ratio of the change in Reference Voltage to the change in Cathode Voltage Reference Input Current Deviation of Reference Input Current over Temperature ...

Page 5

ISSUE 2 - AUGUST 2003 TYPICAL CHARACTERISTICS 5 ZR431L ...

Page 6

ZR431L APPLICATIONS CIRCUITS 6 ISSUE 2 - AUGUST 2003 ...

Page 7

ISSUE 2 - AUGUST 2003 TYPICAL CHARACTERISTICS 7 ZR431L ...

Page 8

ZR431L SOT23 PACKAGE OUTLINE AND PAD LAYOUT DETAILS PACKAGE OUTLINE Controlling dimensions are in millimetres. Approximate conversions are given in inches PACKAGE DIMENSIONS Millimetres DIM Min Max A 2.67 3.05 B 1.20 1.40 C – 1.10 D 0.37 0.53 F ...

Page 9

TO92 PACKAGE OUTLINE DETAILS PACKAGE OUTLINE Controlling dimensions are in millimetres. Approximate conversions are given in inches PACKAGE DIMENSIONS Millimetres DIM Min Max A 4.32 4.95 b 0.36 0.51 E 3.30 3.94 e 2.41 2.67 e1 1.14 1.40 L 12.70 ...

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