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Datasheet> All Categories > Power/power management> The power supply circuit> ZR25DTA
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ZR25DTA

Description
Two Terminal Voltage Reference, 1 Output, 2.5V, BIPolar, PDSO3, SOT-23, SMT-3
CategoryPower/power management    The power supply circuit   
File Size53KB，4 Pages
ManufacturerZetex Semiconductors
Websitehttp://www.zetex.com/
Download Datasheet Parametric View All

ZR25DTA Overview

Two Terminal Voltage Reference, 1 Output, 2.5V, BIPolar, PDSO3, SOT-23, SMT-3

ZR25DTA Parametric

Parameter NameAttribute value
MakerZetex Semiconductors
package instructionTSOP,
Reach Compliance Codeunknown
ECCN codeEAR99
Analog Integrated Circuits - Other TypesTWO TERMINAL VOLTAGE REFERENCE
JESD-30 codeR-PDSO-G3
length2.86 mm
Number of functions1
Output times1
Number of terminals3
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output voltage2.575 V
Minimum output voltage2.425 V
Nominal output voltage2.5 V
Package body materialPLASTIC/EPOXY
encapsulated codeTSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE
Certification statusNot Qualified
Maximum seat height1.1 mm
surface mountYES
technologyBIPOLAR
Maximum voltage temperature coefficient90 ppm/°C
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Fine-tuning/adjustable outputNO
width1.3 mm

ZR25DTA Preview

PRECISION 2.5 VOLT MICROPOWER
VOLTAGE REFERENCE
ISSUE 2 - FEBRUARY 1998
ZR25D
DEVICE DESCRIPTION
The ZR25D uses a bandgap circuit design to
achieve a precision micropower voltage
reference of 2.5 volts. The device is available
in a small outline SOT23 surface mount
package, ideal for applications where space
saving is important.
The ZR25D design provides a stable voltage
without an external capacitor and is stable
with capacitive loads. The ZR25D is
recommended for operation between 50µA
and 5mA and so is ideally suited to low
power and battery powered applications.
Excellent performance is maintained to an
absolute maximum of 25mA, however the
rugged design and 20 volt processing allows
the reference to withstand transient effects
and currents up to 200mA. Superior
switching capability allows the device to
reach stable operating conditions in only a
few microseconds.
FEATURES
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Small outline SOT23 package.
No stabilising capacitor required
Typical T
C
30ppm/°C
Typical slope resistance 0.4Ω
±
3%, 2% and 1% tolerance
Industrial temperature range
Operating current 50µA to 5mA
Transient response, stable in less than
10µs
Alternative package options available
APPLICATIONS
Battery powered and portable
equipment.
Metering and measurement systems.
Instrumentation.
Test equipment.
Data acquisition systems.
Precision power supplies.
SCHEMATIC DIAGRAM
V
R
G
nd
4-161
ZR25D
ABSOLUTE MAXIMUM RATING
Reverse Current
Forward Current
Operating Temperature
Storage Temperature
25mA
25mA
-40 to 85°C
-55 to 125°C
Power Dissipation (T
amb
=25°C)
SOT23
330mW
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (Unless otherwise stated) T
amb
=25°C
SYMBOL PARAMETER
CONDITIONS
MIN
V
R
Reverse Breakdown Voltage
I
R
=150µA
LIMITS
TYP MAX
2.525 1
2.55
2
2.575 3
50
5
30
0.4
0.3
90
2
0.8
V
TOL.
%
UNITS
2.475 2.5
2.45
2.5
2.425 2.5
25
0.05
I
MIN
I
R
T
C
†
R
S
§
Z
R
Minimum Operating Current
Recommended Operating
Current
Average Reverse Breakdown
Voltage Temp. Co.
I
R(min)
to
I
R(max)
Slope Resistance
Reverse Dynamic Impedance
I
R
= 1mA
f = 100Hz
I
AC
= 0.1 I
R
I
R
= 150µA
f = 100Hz to
10kHz
µA
mA
ppm/°C
Ω
Ω
E
N
Wideband Noise Voltage
45
µV(rms)
V
R
x
(
T
(
max
)
−
T
(
min
)
)
Reverse Current (µA)
†
T
C
=
(
V
R
(
max
)
−
V
R
(
min
)
)
x
1000000
60
50
40
30
20
10
0
0.2
0.6
1.0
1.4
1.8
2.2
2.6
Note: V
R(max)
- V
R(min)
is the maximum
deviation in reference voltage measured
over the full operating temperature
range.
§
R
S
=
V
R
Change
(
I
R
(
min
)
to I
R
(
max
))
I
R
(
max
) −
I
R
(
min
)
5°C
=8
T
A
5°C
C
=2
T
A
-40°
=
T
A
Reverse Voltage (V)
Reverse Characteristics
4-162
ZR25D
TYPICAL CHARACTERISTICS
1.4
2.53
I
R
=150µA to 5mA
Forward Voltage (V)
1.0
0.8
0.6
0.4
0.2
0.1
1
10
100
1000
Reference voltage (V)
1.2
2.52
2.51
2.50
2.49
2.48
2.47
-40
-20
0
20
40
60
80
Forward Current (mA)
Temperature (°C)
Forward Characteristics
Temperature Drift
1000
I
R
=150µA
Slope resistance (Ω)
Slope resistance (Ω)
1.0
100
10
I
R
=1mA
0.5
T
A
=-40°C
T
A
=25°C
T
A
=85°C
0
0.1
1
10
I
R
=5mA
1
0.1
0.01
0.1
1
10
100
Reference Current (mA)
Frequency (kHz)
Slope Resistance v Current
Slope Resistance v Frequency
3.0
3.0
V
R
- (V)
V
R
- (V)
2.0
INPUT
50K
2.0
INPUT
1K5
1.0
OUTPUT
1.0
OUTPUT
0
0
V
IN
- (V)
V
IN
- (V)
0
1
2
10
10
0
3
4
0
0
0.1
0.2
0.3
0.4
Time (µs)
Time (µs)
µ
Transient Response (I
R
=150µA)
Transient Response (I
R
=5mA)
4-163
ZR25D
CONNECTION DIAGRAMS
SOT23
ORDERING INFORMATION
Part No
ZR25D
ZR25D02
ZR25D01
Tol%
3
2
1
Package
SOT23
SOT23
SOT23
Partmark
25N
25P
25R
Top View –
pin 1 floating or connected G
nd
4-164
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