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ZRB500 Precision 5V micropower voltage reference
Description
The ZRB500 uses a bandgap circuit design to achieve a precision micropower voltage reference of 5.0 volts. The device is available in small outline surface mount packages, ideal for applications where space saving is important, as well as packages for through hole requirements. The ZRB500 design provides a stable voltage without an external capacitor and is stable with capacitive loads. The ZRB500 is recommended for operation between 50 A and 15mA 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
* * * * * * 3%, 2% and 1% tolerance Operating current 50 A to 15mA Typical TC 15ppm/C Transient response, stable in less than 10 s Industrial temperature range Small outline SOT23 and TO92 style packages
Applications
* * * * * * Battery powered and portable equipment Metering and measurement systems Instrumentation Test equipment Data acquisition systems Precision power supplies
Typical application circuit
VR
+
Gnd
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ZRB500
Connection diagrams
SOT23 package suffix - F
2
E-Line, 2 pin package suffix - Y
E-Line, 3 pin, rev package suffix - R
E-Line, 3 pin package suffix - A
N o fo t r r ec ne o w mm de e si nd gn e sd
bu y
Gnd
Rounded face
Rounded face
1
3
VR
Pin 1 floating or connected to pin 2
Gnd VR
Gnd VR
Ordering information
Order reference ZRB500A01 ZRB500A01STOA ZRB500A01STOB ZRB500A01STZ ZRB500A02 ZRB500A02STOA ZRB500A02STOB ZRB500A02STZ ZRB500A03 ZRB500A03STOA ZRB500A03STOB ZRB500A03STZ ZRB500F01TA ZRB500F01TC ZRB500F02TA ZRB500F02TC ZRB500F03TA ZRB500F03TC ZRB500R01 ZRB500R01STOA ZRB500R01STOB ZRB500R01STZ ZRB500R02 ZRB500R02STOA ZRB500R02STOB ZRB500R02STZ ZRB500R03 ZRB500R03STOA Tol. (%) 1 1 1 1 2 2 2 2 3 3 3 3 1 1 2 2 3 3 1 1 1 1 2 2 2 2 3 3 Device mark Status (*) ZRB50001 ZRB50001 ZRB50001 ZRB50001 ZRB50002 ZRB50002 ZRB50002 ZRB50002 ZRB50003 ZRB50003 ZRB50003 ZRB50003 50I 50I 50H 50H 50G 50G ZRB500R1 ZRB500R1 ZRB500R1 ZRB500R1 ZRB500R2 ZRB500R2 ZRB500R2 ZRB500R2 ZRB500R3 ZRB500R3 NRND NRND NRND NRND NRND NRND NRND NRND NRND NRND NRND NRND REL REL REL REL REL REL NRND NRND NRND NRND NRND NRND NRND NRND NRND NRND Reel size (inches) Loose 12.5 12.5 Concertina pack Loose 12.5 12.5 Concertina pack Loose 12.5 12.5 Concertina pack 7 13 7 13 7 13 Loose 12.5 12.5 Concertina pack Loose 12.5 12.5 Concertina pack Loose 12.5 Quantity per reel 4,000 2,000 2,000 2,000 4,000 2,000 2,000 2,000 4,000 2,000 2,000 2,000 3,000 10,000 3,000 10,000 3,000 10,000 4,000 2,000 2,000 2,000 4,000 2,000 2,000 2,000 4,000 2,000 Tape width (mm) 8 8 8 8 8 8 -
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N o fo t r r ec ne o w mm de e si nd gn e sd
Rounded face
La st
ti m e
VR Gnd
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ZRB500
Ordering information
Order reference ZRB500R03STOB ZRB500R03STZ ZRB500Y01 ZRB500Y01STOA ZRB500Y01STOB ZRB500Y01STZ ZRB500Y02 ZRB500Y02STOA ZRB500Y02STOB ZRB500Y02STZ ZRB500Y03 ZRB500Y03STOA ZRB500Y03STOB ZRB500Y03STZ
NOTES: (*) NRND REL LTB
Tol. (%) 3 3 1 1 1 1 1 2 2 2 3 3 3 3
Device mark Status (*) ZRB500R3 ZRB500R3 ZRB50001 ZRB50001 ZRB50001 ZRB50001 ZRB50002 ZRB50002 ZRB50002 ZRB50002 ZRB50003 ZRB50003 ZRC50003 ZRC50003 NRND NRND LTB LTB LTB LTB LTB LTB LTB LTB LTB LTB LTB LTB
Reel size (inches) 12.5 Concertina pack Loose 12.5 12.5 Concertina pack Loose 12.5 12.5 Concertina pack Loose 12.5 12.5 Concertina pack
Quantity per reel 2,000 2,000 4,000 2,000 2,000 2,000 4,000 2,000 2,000 2,000 4,000 2,000 2,000 2,000
Tape width (mm) -
Not recommended for new designs Released Last time buy
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ZRB500
Absolute maximum rating
Reverse current Forward current Operating temperature Storage temperature 25mA 25mA -40 to 85C -55 to 125C Power dissipation (Tamb = 25C) SOT23 330mW
Electrical characteristics. Test conditions (unless otherwise stated) Tamb = 25C
Symbol Parameter Conditions Min. 4.95 VR IMIN IR TC (*) Reverse breakdown voltage IR = 150 A Minimum operating current Recommended operating current Average reverse breakdown voltage temperature IR(min) to coefficient IR(max) Slope resistance Reverse dynamic impedence Wideband noise voltage IR = 1mA f = 100Hz IAC = 0.1IR IR = 150 A f = 10Hz to 10kHz 0.05 15 4.90 4.85 Limits Typ. 5.0 5.0 5.0 30 Max. 5.05 5.10 5.15 50 15 50 Tol. (%) 1 2 3 Units V V V A mA ppm/C
RS () ZR
0.33 0.4
1.5 1
EN
105
V(rms)
NOTES: (*) ( V R ( max ) - V R ( min ) ) x 1000000
Reverse Current (A)
T C = ---------------------------------------------------------------------------------V R x ( T ( max ) - T ( min ) )
Note: VR(max) - VR(min) is the maximum deviation in reference voltage measured over the full operating temperature range.
60 50 40 TA=85C 30 20 10 TA=-40C 0 0 2.0 4.0 6.0
()
RS
V R Change ( I R ( min ) to I R ( max )) = -------------------------------------------------------------------------------I R ( max ) - I R ( min )
Reverse Voltage (V)
Reverse Characteristics
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ZRB500
Typical characteristics
1.6 1.4 5.02 IR=150A to 15mA
Reference voltage (V)
0.1 1 10 100 1000
Forward Voltage (V)
1.2 1.0 0.8 0.6 0.4
5.00
4.98
4.96 -40 -20 0 20 40 60 80
Forward Current (mA)
Temperature (C)
Forward Characteristics
Temperature Drift
3.0
1000
IR=150A
Slope resistance ()
2.0
Slope resistance ()
100
IR=5mA
10
TA=-40C 1.0 TA=25C TA=85C 0 0.1 1 10 100
1
0.1 0.01 0.1 1 10 100
Reference Current (mA)
Frequency (kHz)
Slope Resistance v Current
Slope Resistance v Frequency
6.0
5 mA
6.0
4.0
4.0
VR - (V)
VIN
VIN
1K 5mA 33K 150A VR
VR - (V)
2.0
150 A
1K 5mA
33K 150A VR
2.0
0 10
0 10
VIN - (V)
VIN - (V)
1000
0 0 500
0 0 1 2 3 4
Time (s)
Time (s)
Transient Response (Single Pulse)
Transient Response (Repetitive Pulse)
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ZRB500
Package outline - SOT23
L H N D 3 leads G
M
B
A
C K
F
Dim. A B C D F G
Millimeters Min. 2.67 1.20 0.37 0.085 Max. 3.05 1.40 1.10 0.53 0.15
Inches Min. 0.105 0.047 0.015 0.0034 Max. 0.120 0.055 0.043 0.021 0.0059
Dim. H K L M N -
Millimeters Min. 0.33 0.01 2.10 0.45 Max. 0.51 0.10 2.50 0.64 -
Inches Max. 0.013 0.0004 0.083 0.018 Max. 0.020 0.004 0.0985 0.025 -
0.95 NOM
0.0375 NOM
1.90 NOM
0.075 NOM
Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inch
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ZRB500
Package outline - E-Line, 2 pin
A B
C
D
F
E
DIM Min. A B C D E F 0.37 4.37 2.16 3.61 13.00 2.54 NOM 0.495 0.015 Millimeters Max. 4.77 2.41 4.01 13.97 Min. 0.17 0.085 0.14 0.51 0.10 NOM 0.019 Inches Max. 0.18 0.095 0.16 0.55
Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches
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ZRB500
Package outline - E-Line, 3 pin, rev.
A
b
b1 e e
DIM Min. A b b1 D E e F L -- 13.00 2.16 0.41 0.41 4.37 3.61 1.27 NOM 2.50 13.97 -- 0.512 Millimeters Max. 2.41 0.495 0.495 4.77 4.01 Min. 0.085 0.016 0.016 0.172 0.142 0.050 NOM 0.098 0.550 Inches Max. 0.095 0.0195 0.0195 0.188 0.158
Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches
Issue 5 - May 2006
(c) Zetex Semiconductors plc 2006
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www.zetex.com
ZRB500
Package outline - E-Line, 3 pin
A
b
b1 e e
DIM Min. A b b1 D E e F L -- 13.00 2.16 0.41 0.41 4.37 3.61 1.27 NOM 2.50 13.97 -- 0.512 Millimeters Max. 2.41 0.495 0.495 4.77 4.01 Min. 0.085 0.016 0.016 0.172 0.142 0.050 NOM 0.098 0.550 Inches Max. 0.095 0.0195 0.0195 0.188 0.158
Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches
Issue 5 - May 2006
(c) Zetex Semiconductors plc 2006
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ZRB500
Package outline - SO8
SO8 package suffix - N8
bs ol et e O
Min. 0.33 0.19 0 0.25 -
N/C N/C N/C Gnd
VR N/C N/C N/C
DIM A A1 D H E L
Inches Min. 0.053 0.004 0.189 0.228 0.150 0.016 Max. 0.069 0.010 0.197 0.244 0.157 0.050
Millimeters Min. 1.35 0.10 4.80 5.80 3.80 0.40 Max. 1.75 0.25 5.00 6.20 4.00 1.27
DIM e b c h -
Inches Min. 0.013 0.008 0 0.010 Max. 0.020 0.010 8 0.020 0.050 BSC
Millimeters Max. 0.51 0.25 8 0.50 1.27 BSC
Note: Controlling dimensions are in inches. Approximate dimensions are provided in millimeters
Europe Zetex GmbH Streitfeldstrae 19 D-81673 Munchen Germany Telefon: (49) 89 45 49 49 0 Fax: (49) 89 45 49 49 49 europe.sales@zetex.com
Americas Zetex Inc 700 Veterans Memorial Highway Hauppauge, NY 11788 USA Telephone: (1) 631 360 2222 Fax: (1) 631 360 8222 usa.sales@zetex.com
Asia Pacific Zetex (Asia Ltd) 3701-04 Metroplaza Tower 1 Hing Fong Road, Kwai Fong Hong Kong Telephone: (852) 26100 611 Fax: (852) 24250 494 asia.sales@zetex.com
Corporate Headquarters Zetex Semiconductors plc Zetex Technology Park, Chadderton Oldham, OL9 9LL United Kingdom Telephone: (44) 161 622 4444 Fax: (44) 161 622 4446 hq@zetex.com
For international sales offices visit www.zetex.com/offices Zetex products are distributed worldwide. For details, see www.zetex.com/salesnetwork This publication is issued to provide outline information only which (unless agreed by the company in writing) may not be used, applied or reproduced for any purpose or form part of any order or contact or be regarded as a representation relating to the products or services concerned. The company reserves the right to alter without notice the specification, design, price or conditions of supply of any product or service.
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(c) Zetex Semiconductors plc 2006
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