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ZRT050 PDF даташит

Спецификация ZRT050 изготовлена ​​​​«Diodes» и имеет функцию, называемую «4.9V LOW POWER PRECISION REFERENCE SOURCE».

Детали детали

Номер произв ZRT050
Описание 4.9V LOW POWER PRECISION REFERENCE SOURCE
Производители Diodes
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ZRT050 Даташит, Описание, Даташиты
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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ZRT050 Даташит, Описание, Даташиты
ZRT050
4.9V LOW POWER PRECISION REFERENCE SOURCE
Absolute Maximum Ratings
Parameter
Symbol
Reverse Current (Note 1)
Operating Temperature: C grade
TOMP
Storage Temperature
TSTG
Notes: 1. Above 72°C this figure should be linearly derated to 15mA @ 125°C
Value
60
-40 to +85
-55 to +150
Power Dissipation (@Tamb = 25°C unless otherwise stated)
Package
SOT223
Value
2
Unit
mA
°C
°C
Unit
W
Temperature Dependent Electrical Characteristics
Symbol
ΔVR
TCVR
Parameter
Output voltage change over operating temperature
range
Output voltage temperature coefficient
(see Note B)
Grade C
-40 to 85°C
Typ.
Max.
5.4 17.2
15.0 50.0
Unit
mV
ppm/°C
Electrical Characteristics (@Tamb = 25°C unless otherwise stated)
Symbol
VR
VTRIM
TCVTRIM
IR
ton
toff
enp-p
RS
Parameter
Output voltage:
1% tolerance
Output voltage adjustment range
Change in TCVR with output adjustment
Operating current range
Turn-on time
Turn-off time
Output voltage noise
(over the range 0.1 to 10Hz)
Slope resistance (see Note D)
Conditions
IR = 500 µA
RT = 100k
(See Note C)
RL = 1k
Peak to peak
measurement
IR = 0.5mA to 5mA
Min.
4.85
0.15
Typ.
4.90
±5
2.5
100
0.3
50
1.25
Max. Unit
4.95 V
%
ppm/°C
60 mA
µs
µV
2.0
ZRT050
Document number: DS33259 Rev. 4 - 2
2 of 5
www.diodes.com
February 2011
© Diodes Incorporated









No Preview Available !

ZRT050 Даташит, Описание, Даташиты
Typical Characteristics
ZRT050
4.9V LOW POWER PRECISION REFERENCE SOURCE
(a) Output change with temperature
The absolute maximum difference between the maximum
output voltage and the minimum output voltage over the
specified temperature range:
(d) Slope resistance (RS)
The slope resistance is defined as:
ΔVR=VMAX - VMIN
(b) Output temperature coefficient (TCVR)
The ratio of the output change with temperature to the
specified temperature range expressed in ppm/°C:
(e) Line regulation
The ratio of change in output voltage to the change in
input voltage producing it:
ΔT= Full temperature range
(c) Operating current (IR)
Maximum operating current must be derated as indicated in
maximum ratings.
ZRT050
Document number: DS33259 Rev. 4 - 2
3 of 5
www.diodes.com
February 2011
© Diodes Incorporated










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