ZRT050(2011) 데이터 시트보기 (PDF) - Diodes Incorporated.
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ZRT050 Datasheet PDF : 5 Pages
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ZRT050
4.9V LOW POWER PRECISION REFERENCE SOURCE
Description
The ZRT050 is a monolithic integrated circuit providing a
precise stable reference voltage of 4.9V at 500μA.
The circuit features a knee current of 150μA and operation
over a wide range of temperatures and currents.
The ZRT050 is available in a SOT223 package for surface
mount applications. This device offers a trim facility whereby
the output voltage can be adjusted as shown in the
schematic diagram. This facility is used when compensating
for system errors or setting the reference output to a
particular value. When the trim facility is not used, the pin
should be left open circuit.
Pin Assignments
SOT223
TRIM 1
GND 2
4
VR 3
Top View
(Pin 4 floating or
connected to pin 2)
Features
• Trimmable output
• Excellent temperature stability
• Low output noise figure
• -40 to 85°C operating temperature range
• 1% initial voltage tolerance
• No external stabilizing capacitor required in most cases
• Low slope resistance
• No derating required at low temperatures
• SOT223 small outline package
Schematic Diagram
This circuit will allow the reference to be trimmed over a wide range. The device is specified over a ±5% trim range.
ZRT050
Document number: DS33259 Rev. 4 - 2
1 of 5
www.diodes.com
February 2011
© Diodes Incorporated
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