ZXRE252ASA-7 Diodes Inc. / Zetex, ZXRE252ASA-7 Datasheet
ZXRE252ASA-7
Specifications of ZXRE252ASA-7
Related parts for ZXRE252ASA-7
ZXRE252ASA-7 Summary of contents
Page 1
Description The ZXRE250 and ZXRE252 are three terminal adjustable shunt regulators offering excellent temperature stability and output current handling capability up to 100mA. The output voltage may be set to any chosen voltage between 2.5 and 36 volts by selection ...
Page 2
Absolute Maximum Ratings Symbol V Cathode Voltage KA I Continuous Cathode Current KA I Reference Input Current REF T Operating Junction Temperature J T Storage Temperature ST P Power Dissipation (Notes Notes: 2. Operation above the absolute ...
Page 3
Electrical Characteristics (T A Symbol Parameter V Reference voltage REF Deviation of reference voltage over V DEV full temperature range (Note 5) ΔV Ratio of the change in reference REF ΔV voltage to the change in cathode KA voltage I ...
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. ...
Page 5
Typical Performance Characteristics 2600 2580 2560 2540 2520 2500 2480 2460 2440 2420 2400 -55 -35 - Free Air Temperature ( C) A Reference Voltage vs. Free Air Temperature 150 REF ° ...
Page 6
Typical Performance Characteristics 0. 36V KA 0. REF 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 -75 -50 - Free Air Temperature ( C) A Off-State Cathode Current vs. Free Air ...
Page 7
Typical Performance Characteristics -10 - 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. ...
Page 8
Typical Performance Characteristics 100 1K 10K 100K f 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 ...
Page 9
Typical Performance Characteristics 6 Input Out put μ t Time ( s) Pulse Response 100 Stable Stable 60 50 ...
Page 10
Applications Information Shunt Regulator 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 ...
Page 11
Ordering Information Pinout variation Pinout variation 0: Standard pinout 0: Standard pinout 2: Reversed pinout in SOT23 2: Reversed pinout in SOT23 Device Packaging Package Code (Note 7) (Note 5) ZXRE250A(B)SA-7 SA SOT23 ZXRE250A(B)W5-7 W5 SOT25 ZXRE252A(B)SA-7 SA SOT23 Notes: ...
Page 12
... Marking Information (1) SOT23 ( Top View ) Device 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; ...
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 ...
Page 14
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY ...