zxre250 Diodes, Inc., zxre250 Datasheet
zxre250
Available stocks
Related parts for zxre250
zxre250 Summary of contents
Page 1
... The devices can be used as a replacement for zener diodes in many applications requiring an improvement in zener performance. The ZXRE250/2 is available in 2 grades with initial tolerances of 1% and 0.5% for the A and B grades respectively. Features • ...
Page 2
... I Cathode Current KA T Operating Ambient Temperature A ZXRE250/ZXRE252 Document number: DS35228 Rev VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR (Note 2) Parameter SOT23 SOT25 Parameter www.diodes.com ZXRE250/ZXRE252 Rating Unit 40 V 150 mA -0.050 to +10 mA ° +150 C ° -55 to +150 C 330 mW 500 ...
Page 3
... T2 – – T1 Vmin Vmin , is defined as: Z ΔV Δ ΔI Δ www.diodes.com ZXRE250/ZXRE252 Min Typ. Max Unit 2.470 2.495 2.520 V 2.482 2.495 2.507 -1.4 -2.7 mV/V ...
Page 4
... Test Circuits ZXRE250/ZXRE252 Document number: DS35228 Rev VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR Figure 1. Test circuit for REF Figure 2. Test circuit for V > REF Figure 3. Test circuit for I OFF www.diodes.com ZXRE250/ZXRE252 May 2011 © Diodes Incorporated ...
Page 5
... REF ° 100 50 0 -50 -100 - Cathode Voltage (V) KA Cathode Current vs. Cathode Voltage ZXRE250/ZXRE252 Document number: DS35228 Rev ZXRE250/ZXRE252 VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR 0 10mA 10K REF ∞ ° 10mA ...
Page 6
... VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR (cont.) -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1.0 -50 - 100 125 ° Ratio of Delta Reference Voltage to Delta Cathode 10K 100K www.diodes.com ZXRE250/ZXRE252 36V 100 125 T Free Air Temperature (C) A Voltage vs. Free Air Temperature May 2011 © Diodes Incorporated ...
Page 7
... Time (Seconds) Equivalent Input Noise Voltage Over A 10-S Period Figure 4. Test circuit for noise input voltage ZXRE250/ZXRE252 Document number: DS35228 Rev ZXRE250/ZXRE252 VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR (cont 10mA REF ° ...
Page 8
... Frequency (Hz) Small-Signal Voltage Amplification vs. Frequency 100.0 10.0 1.0 0.1 0.0 1K 10K 100K f Frequency (Hz) Reference Impedance vs. Frequency ZXRE250/ZXRE252 Document number: DS35228 Rev ZXRE250/ZXRE252 VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR (cont 10mA KA ° 10M Test circuit for voltage amplification 10mA KA ° ...
Page 9
... Test Circuit for Pulse Response ° Stable REF 10V 15V KA 0 Test circuit for curves Test Circuit for Curves www.diodes.com ZXRE250/ZXRE252 Test Circuit for Curve A May 2011 © Diodes Incorporated ...
Page 10
... Output Control of a Three Terminal Fixed Regulator Single Supply Comparator with Temperature Compensated Threshold ZXRE250/ZXRE252 Document number: DS35228 Rev ZXRE250/ZXRE252 VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR Higher Current Shunt Regulator Series Regulator Over Voltage / Under Voltage Protection Circuit www ...
Page 11
... ZXRE252A(B)SA-7 SA SOT23 Notes: 7. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 8. Suffix (B) denotes ZXRE250B (0.5% tolerance) device. ZXRE250/ZXRE252 Document number: DS35228 Rev ZXRE250/ZXRE252 VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR ZXRE25 ...
Page 12
... ZXRE250ASA ZXRE250BSA ZXRE252ASA ZXRE252BSA (2) SOT25 ( Top View ) Device ZXRE250AW5 ZXRE250BW5 ZXRE250/ZXRE252 Document number: DS35228 Rev VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR Identification code Y : Year 0 Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week X : A~Z : Green 2 Package Identification Code ...
Page 13
... Package Outline Dimensions (1) Package type: SOT25 (2) Package Types: SOT23 ZXRE250/ZXRE252 Document number: DS35228 Rev ZXRE250/ZXRE252 VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR (All Dimensions in mm www.diodes.com May 2011 © Diodes Incorporated ...
Page 14
... Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright © 2011, Diodes Incorporated www.diodes.com ZXRE250/ZXRE252 Document number: DS35228 Rev ZXRE250/ZXRE252 VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR IMPORTANT NOTICE LIFE SUPPORT www ...