CAT810SSDI-GT3

CAT803, CAT809, CAT810 3-Pin Microprocessor Power Supply Supervisors FeATureS ■ DESCRIPTIOn The CAT803, CAT809, and CAT80 are supervisory circuits that monitor power supplies in digital systems. The CAT803, CAT809, and CAT80 are direct replacements for the MAX803, MAX809 and MAX80 in applications operating over the industrial temperature range. These devices generate a reset signal, which is asserted while the power supply voltage is below a preset threshold level and for at least 40 ms after the power supply level has risen above that level. The underlying floating gate technology, AE2(TM) used by Catalyst Semiconductor, makes it possible to offer any custom reset threshold value. Seven industry standard threshold levels are offered to support +5.0V, +3.3V, +3.0V and +2.5V systems. The CAT803 has an open-drain RESET output (active LOW). The CAT803 requires a pull-up resistor on the reset output. The CAT809 features a push-pull RESET output (active LOW) and the CAT80 features a push-pull RESET output (active HIGH). Fast transients on the power supply are ignored and the output is guaranteed to be in the correct state at Vcc levels as low as .0V. The CAT803, CAT809, and CAT80 are available in both the compact 3-pin SOT-23 and SC-70 packages. Precision monitoring of +5.0V (-5%, -10%, -20%), +3.3V (-5%, -10%), +3.0V (-10%) and +2.5V (-5%) power supplies Offered in three output configurations: - CAT803: Open-Drain Active LOW reset - CAT809: Push-Pull Active LOW reset - CAT810: Push-Pull Active HIGH reset Direct replacements for the MAX803, MAX809 and MAX810 in applications operating over the industrial temperature range reset valid down to VCC = 1.0V 6µA power supply current Power supply transient immunity Industrial temperature range: -40ºC to +85ºC Available in RoHS-compliant SOT-23 and SC-70 packages ■ ■ ■ ■ ■ ■ ■ APPLICATIOnS ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Computers Servers Laptops Cable modems Wireless communications embedded control systems White goods Power meters Intelligent instruments PDAs and handheld equipment for Ordering Information details, see page 11 & 12. THRESHOLD SuffIX SELECTOR nominal Threshold Voltage 4.63V 4.38V 4.00V 3.08V Threshold Suffix Designation L M J T S R Z Doc. No. MD-3004, Rev. AA PIn COnfIGuRATIOn 3-Lead SOT23 3-Lead SC70 GND 1 RESET 2 (RESET) (CAT803) CAT809 (CAT810) 3 VCC 2.93V 2.63V 2.32V  © 200 SCILLC. All rights reserved. Characteristics subject to change without notice CAT803, CAT809, CAT810 PIn DESCRIPTIOnS Pin number CAT803  2 CAT809 CAT810  2  — GND Ground RESET Active LOW reset. RESET is asserted if VCC falls below the reset threshold and remains low for at least 40ms after VCC rises above the reset threshold. RESET Active HIGH reset. RESET is asserted if VCC falls below the reset threshold and remains high for at least 40ms after VCC rises above the reset threshold. VCC Power supply voltage that is monitored. name Description — — 2 3 3 3 BLOCK DIAGRAMS VCC VCC VCC TOLERANCE BIAS + – DIGITAL DELAY RESET VOLTAGE REFERENCE GND CAT803 VCC VCC VCC TOLERANCE BIAS + – DIGITAL DELAY RESET VOLTAGE REFERENCE GND CAT809 VCC VCC VCC TOLERANCE BIAS + – DIGITAL DELAY RESET VOLTAGE REFERENCE GND CAT810 Doc. No. MD-3004, Rev. AA 2 © 200 SCILLC. All rights reserved. Characteristics subject to change without notice CAT803, CAT809, CAT810 ABSOLuTE MAXIMuM RATInGS(1) Any pin with respect to ground Input Current, VCC Output Current, RESET, RESET Rate of Rise, VCC Continuous Power Dissipation Derate 2.2mW/ºC above 70ºC (SC70) Derate 4mW/ºC above 70ºC (SOT23) Operating Temperature Range Storage Temperature Range Lead Soldering Temperature (0 sec) note: () Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions outside of those listed in the operational sections of this specification is not implied. Exposure to any absolute maximum rating for extended periods may affect device performance and reliability. -0.3V to +6.0V 20mA 20mA 00V/µs 75 mW 320 mW -40ºC to +85ºC -65ºC to +05ºC 300ºC ELECTRICAL CHARACTERISTICS VCC = Full range, TA = -40ºC to +85ºC unless otherwise noted. Typical values at TA = +25ºC and VCC = 5V for the L/M/J versions, VCC = 3.3V for the T/S versions, VCC = 3V for the R version and VCC = 2.5V for the Z version. Parameter VCC Range Supply Current Reset Threshold Voltage ICC VTH Symbol Conditions TA = 0ºC to +70ºC TA = -40ºC to +85ºC TA = -40ºC to +85ºC L Threshold M Threshold J Threshold T Threshold S Threshold R Threshold Z Threshold VCC < 5.5V, J/L/M VCC < 3.6V, R/S/T/Z TA = +25ºC TA = -40ºC to +85ºC TA = +25ºC TA = -40ºC to +85ºC TA = +25ºC TA = -40ºC to +85ºC TA = +25ºC TA = -40ºC to +85ºC TA = +25ºC TA = -40ºC to +85ºC TA = +25ºC TA = -40ºC to +85ºC TA = +25ºC TA = -40ºC to +85ºC 4.56 4.50 4.3 4.25 3.93 3.89 3.04 3.00 2.89 2.85 2.59 2.55 2.28 2.25 2.32 2.63 2.93 3.08 4.00 4.38 Min .0 .2 8 6 4.63 Typ Max 5.5 5.5 20 5 4.70 4.75 4.45 4.50 4.06 4.0 3. 3.5 2.96 3.00 2.66 2.70 2.35 2.38 V µA units V © 200 SCILLC. All rights reserved. Characteristics subject to change without notice 3 Doc. No. MD-3004, Rev. AA CAT803, CAT809, CAT810 ELECTRICAL CHARACTERISTICS (continued) VCC = Full range, TA = -40ºC to +85ºC unless otherwise noted. Typical values at TA = +25ºC and VCC = 5V for L/M/J versions, VCC = 3.3V for T/S versions, VCC = 3V for R version and VCC = 2.5V for Z version. Parameter Reset Threshold Tempco VCC to Reset Delay (Note 2) Reset Active Timeout Period RESET Output Voltage Low (Open-drain active LOW, CAT803 and push-pull, active LOW, CAT809) RESET Output Voltage High (Push-pull, active LOW, CAT809) RESET Output Voltage Low (Push-pull, active HIGH, CAT80) RESET Output Voltage High (Push-pull active HIGH, CAT80) VOH VOL VOH VOL TD TR VCC = VTH to (VTH - 00 mV) TA = -40ºC to +85ºC VCC = VTH min, ISINK = .2mA CAT803R/S/T/Z, CAT809R/S/T/Z VCC = VTH min, ISINK = 3.2mA CAT803J/L/M, CAT809J/L/M VCC > .0V, ISINK = 50µA VCC = VTH max, ISOURCE = 500µA CAT809R/S/T/Z VCC = VTH max, ISOURCE = 800µA CAT809J/L/M VCC > VTH max, ISINK = .2mA CAT80R/S/T/Z VCC > VTH max, ISINK = 3.2mA CAT80J/L/M .8V < VCC VTH min, ISOURCE = 50µA 0.8 VCC 0.8 VCC VCC - .5 0.3 0.4 V V 40 Symbol Conditions Min Typ(1) 30 20 240 460 0.3 0.4 0.3 V Max units ppm/ºC µs ms V notes: () Production testing done at TA = +25ºC; limits over temperature guaranteed by design only. (2) RESET output for the CAT809; RESET output for the CAT80. Doc. No. MD-3004, Rev. AA 4 © 200 SCILLC. All rights reserved. Characteristics subject to change without notice CAT803, CAT809, CAT810 TyPICAL OPERATInG CHARACTERISTICS VCC = Full range, TA = -40ºC to +85ºC unless otherwise noted. Typical values at TA = +25ºC and VCC = 5V for L/M/J versions, VCC=3.3V for T/S versions, VCC = 3V for R version and VCC = 2.5V for Z version. POWER-UP RESET TIMEOUT VS. TEMPERATURE SUPPLY CURRENT VS. TEMPERATURE (NO LOAD, CAT8xxR/S/T/Z) 12 POWER-UP RESET TIMEOUT (mS) 260 SUPPLY CURRENT (µA) 240 220 200 180 160 VCC=5V 10 8 6 4 2 0 -50 0 VCC=5.5V VCC=3.6V VCC=2.5V -50 0 50 100 150 50 100 150 TEMPERATURE (˚C) TEMPERATURE (˚C) POWER-DOWN RESET DELAY VS. TEMPERATURE (CAT8xxR/S/T/Z) NORMALIZED RESET THRESHOLD VS. TEMPERATURE 1.0002 1 0.9998 0.9996 0.9994 0.9992 0.999 0.9988 0 20 40 60 80 100 120 POWER-DOWN RESET DELAY (µS) 14 12 10 8 6 4 2 0 -50 0 50 100 150 TEMPERATURE (˚C) NORMALIZED THRESHOLD TEMPERATURE (˚C) © 200 SCILLC. All rights reserved. Characteristics subject to change without notice 5 Doc. No. MD-3004, Rev. AA CAT803, CAT809, CAT810 DETAILED DESCRIPTIOnS RESET TIMInG The reset signal is asserted LOW for the CAT803/ CAT809 and HIGH for the CAT80 when the power supply voltage falls below the threshold trip voltage and remains asserted for at least 40ms after the power supply voltage has risen above the threshold. 5V VTH 0V TD 5V RESET/OUT 0V Reset Timeout Period TR (140ms minimum) VCC CAT803, CAT809 5V RESET 0V CAT810 figure 1. Reset Timing Diagram VCC TRAnSIEnT RESPOnSE The CAT803/CAT809/CAT80 protect µPs against brownout failure. Short duration transients of 4µsec or less and 00mV amplitude typically do not cause a false RESET. Figure 2 shows the maximum pulse duration of negativegoing VCC transients that do not cause a reset condition. As the amplitude of the transient goes further below the threshold (increasing VTH - VCC), the maximum pulse duration decreases. In this test, the VCC starts from an initial voltage of 0.5V above the threshold and drops below it by the amplitude of the overdrive voltage (VTH - VCC). figure 2. Maximum Transient Duration Without Causing a Reset Pulse vs. Reset Comparator Overdrive Doc. No. MD-3004, Rev. AA TRANSIENT DURATION (µs) 6 © 200 SCILLC. All rights reserved. Characteristics subject to change without notice CAT803, CAT809, CAT810 VALID RESET WITH VCC unDER 1.0V To ensure that the CAT809 RESET pin is in a known state when VCC is under 1.0V, a >10kΩ pull-down resistor between RESET pin and GND is recommended. For the CAT80, a pull-up resistor from RESET pin to VCC is needed. Power Supply VCC Power Supply VCC CAT809 RESET GND 10kΩ CAT810 RESET 10kΩ GND Figure 3. reSeT Valid with VCC under 1.0V figure 4. RESET Valid with VCC under 1.1V BI-DIRECTIOnAL RESET PIn InTERfACInG The CAT809/80 can interface with µP/µC bi-directional reset pins by connecting a 4.7kΩ resistor in series with the CAT809/80 reset output and the µP/µC bi-directional reset pin. BUF Power Supply VCC VCC Buffered RESET CAT809 RESET GND Bi-directional I/O Pin µP RESET INPUT GND (For example: 68HC11) figure 5. Bi-directional Reset Pin Interfacing © 200 SCILLC. All rights reserved. Characteristics subject to change without notice 7 Doc. No. MD-3004, Rev. AA CAT803, CAT809, CAT810 CAT803 OPEn-DRAIn reSeT APPLICATIOn The CAT803 features an open-drain RESET output and therefore needs a pull-up resistor on the output for proper operation, as shown on Figure 6. An advantage of the open-drain output includes the ability to “wire AND” several outputs together to form an inexpensive logic circuit. It is also possible to have the pull-up resistor connected to a different supply which can be higher than the CAT803 VCC pin. The value of the pull-up resistor is not critical in most applications, typical values being between 5kΩ and 10kΩ. Power Supply VCC 5k VCC CAT803 RESET GND RESET INPUT µP GND figure 6. Typical CAT803 Open-Drain Circuit Configuration Doc. No. MD-3004, Rev. AA 8 © 200 SCILLC. All rights reserved. Characteristics subject to change without notice CAT803, CAT809, CAT810 PACKAGE OuTLInE DRAWInGS SOT-23 3-Lead (TB) SOT-23 3-Lead (TP, TB) PACKAGE OUTLINE DRAWING D 3 SYMBOL MIN NOM MAX A A1 b c E1 E 0.89 0.013 0.37 0.085 2.80 2.10 1.20 0.95 BSC 1.90 BSC 0.400 REF 0.540 REF 0º 1.12 0.10 0.50 0.18 3.04 2.64 1.40 D E E1 e e1 L L1 θ 1 e e1 TOP VIEW 2 8º A θ b A1 L1 L c SIDE VIEW END VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC TO-236. Doc. No. SOT233-007-01 07/20/07 notes: () All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC standard TO-236. © 200 SCILLC. All rights reserved. Characteristics subject to change without notice 9 Doc. No. MD-3004, Rev. AA CAT803, CAT809, CAT810 PACKAGE OUTLINE DRAWING SC-70 3-Lead (SD) SC-70 3-Lead (SB, SD) D SYMBOL MIN NOM MAX A A1 A2 b c E1 E 0.80 0.00 0.80 0.15 0.08 1.80 1.80 1.15 0.26 2.00 2.10 1.25 0.65 BSC 0.36 0.42 REF 0.15 BSC 0° 4° 0.90 1.10 0.10 1.00 0.30 0.22 2.20 2.40 1.35 0.46 D E E1 e L L1 L2 θ θ1 e e TOP VIEW 8° 10° θ1 A2 A θ L L1 END VIEW θ1 b A1 c L2 SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-203. Doc. No. SC703-046-01 01/31/08 notes: () All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC standard MO-203. Doc. No. MD-3004, Rev. AA 0 © 200 SCILLC. All rights reserved. Characteristics subject to change without notice CAT803, CAT809, CAT810 EXAMPLE Of ORDERInG InfORMATIOn (2) (3) (4) Prefix CAT Device # 809 Suffix S TBI – G T3 Company ID Device Type 803: Open-Drain / Active Low Output 809: Push-Pull / Active Low Output 810: Push-Pull / Active High Output Trip Level L: 4.63V M: 4.38V J: 4.00V T: 3.08V S: 2.93V R: 2.63V Z: 2.32V Package Type(1) TBI: SOT-23 Green SDI: SC70 Green T: Tape & Reel 3: 3000/Reel Lead Finish G: NiPdAu notes: () All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard lead finish is NiPdAu. Contact factory for other lead finishes. (3) The device used in the example above is a CAT809STBI-GT3 (Push-Pull / Active Low Output, trip level of 2.85V to 3.00V NiPdAu, Tape and Reel, 3,000/Reel). (4) For additional package and temperature options, please contact your nearest ON Semiconductor Sales office. TOP MARKInG SOT-23 RoHS niPdAu Finish(2)(3) RNYM NRYM NSYM SC70 RoHS niPdAu Finish(2)(3) RN__ NR__ NS__ Device(1) CAT803x CAT809x CAT80x notes: () All theshold trip level options have the same marking. (2) The “YM” in the SOT-23 package marking indicates the Year and Month of production and the “_” in the SC70 package marking indicates the assembly location. (3) All NiPdAu devices will be marked to indicate product type and package. Threshold and full part numbers will be provided on box and reel labels as well as all Shipping documents. © 200 SCILLC. All rights reserved. Characteristics subject to change without notice  Doc. No. MD-3004, Rev. AA CAT803, CAT809, CAT810 ORDERInG PART nuMBER Order number CAT803LSDI-GT3 CAT803MSDI-GT3 CAT803JSDI-GT3 CAT803TSDI-GT3 CAT803SSDI-GT3 CAT803RSDI-GT3 CAT803ZSDI-GT3 CAT809LSDI-GT3 CAT809MSDI-GT3 CAT809JSDI-GT3 CAT809TSDI-GT3 CAT809SSDI-GT3 CAT809RSDI-GT3 CAT809ZSDI-GT3 CAT80LSDI-GT3 CAT80MSDI-GT3 CAT80JSDI-GT3 CAT80TSDI-GT3 CAT80SSDI-GT3 CAT80RSDI-GT3 CAT80ZSDI-GT3 CAT803LTBI-GT3 CAT803MTBI-GT3 CAT803JTBI-GT3 CAT803TTBI-GT3 CAT803STBI-GT3 CAT803RTBI-GT3 CAT803ZTBI-GT3 CAT809LTBI-GT3 CAT809MTBI-GT3 CAT809JTBI-GT3 CAT809TTBI-GT3 CAT809STBI-GT3 CAT809RTBI-GT3 CAT809ZTBI-GT3 CAT80LTBI-GT3 CAT80MTBI-GT3 CAT80JTBI-GT3 CAT80TTBI-GT3 CAT80STBI-GT3 CAT80RTBI-GT3 CAT80ZTBI-GT3 Voltage 4.63V 4.38V 4.00V 3.08V 2.93V 2.63V 2.32V 4.63V 4.38V 4.00V 3.08V 2.93V 2.63V 2.32V 4.63V 4.38V 4.00V 3.08V 2.93V 2.63V 2.32V 4.63V 4.38V 4.00V 3.08V 2.93V 2.63V 2.32V 4.63V 4.38V 4.00V 3.08V 2.93V 2.63V 2.32V 4.63V 4.38V 4.00V 3.08V 2.93V 2.63V 2.32V Output reset Package Quantity per reel Open Drain LOW CMOS / PushPull LOW SC70-3 3,000 CMOS / PushPull HIGH Open Drain LOW CMOS / PushPull LOW SOT-23-3 3,000 CMOS / PushPull HIGH Doc. No. MD-3004, Rev. AA 2 © 200 SCILLC. All rights reserved. Characteristics subject to change without notice CAT803, CAT809, CAT810 REVISIOn HISTORy Date 29-Oct-03 30-Oct-03 3-Oct-04 rev. N O P Description Updated VCC Transient Response text and Figure 2 Updated Power Up Reset Timeout vs. Temperature curve Corrected temperature range Updated Description Updated Ordering Information Updated Absolute Maximum Ratings Updated Electrical Characteristics Updated Description Updated Ordering Information Updated Absolute Maximum Ratings Updated Electrical Characteristics Updated Typical Operating Characteristics Updated Package Information Changed Preliminary designation to Final Updated Max Reset Active Timeout Period in Electrical Characteristics Updated package drawings Updated top marking table Updated Features Updated Ordering Information Updated Top Marking Updated Typical Operating Characteristics Updated Features Updated Description Updated Max Reset Active Timeout Period in Electrical Characteristics Updated Figure  Updated Package Information Correct Revision Number Updated Top Marking Updated Detailed Description Adding CAT803 Updated Electrical Characteristics Updated Figure  Updated Ordering Information Updated Detailed Descriptions Added MD- to Document Number Added Block Diagrams Updated Package Outline Drawings Updated Example of Ordering Information Updated Ordering Part Number Change logo and fine print to ON Semiconductor Updated Example of Ordering Information Updated Ordering Part Number 23-Mar-04 Q 25-Mar-04 R 5-Oct-04 28-Feb-05 S T 7-Feb-06 0-Aug-06 Q U 7-Oct-06 V 2-Feb-07 W 20-Mar-07 3-Jan-08 X Y 05-Nov-08 8-Mar-0 Z AA © 200 SCILLC. All rights reserved. Characteristics subject to change without notice 3 Doc. No. MD-3004, Rev. AA ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. 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