PT7A753XWEX

PT7A7511 DIODES | Alldatasheet

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Technical content

Features

Description

Applications

µ Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen - and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500 ppm total Br + Cl) and <1000ppm antimony compounds.

PT7A7511-15/7521-25/7531-35 www.diodes.com August 2020 Document Number DS43101 Rev 1-3 2 © Diodes Incorporated PT7A7511-15/7521-25/7531-35 Block Diagram Block Diagram of PT7A7511-7515/7521-7525 Vcc 250uA VRST 1.25V Watchdog Transition Detector Watchdog Timer WDI WDO Timebase for Reset & Watchdog Reset Generator MR Vcc PFI RESET (RESET) PFO Block Diagram of PT7A7531-35 Reset Generator MR Vcc PFI PFO RESET 1.25V VRST Vcc 250uA RESET

PT7A7511-15/7521-25/7531-35 www.diodes.com August 2020 Document Number DS43101 Rev 1-3 3 © Diodes Incorporated PT7A7511-15/7521-25/7531-35 Pin Configuration Top View MR V CC GND PFI WDO RESET WDI PFO PT7A7511P-7515P PT7A7511W-7515W 8-Pin PDIP/8-Pin SOIC MR V CC GND PFI WDO RESET WDI PFO PT7A7521P-7525P PT7A7521W-7525W 8-Pin PDIP/8-Pin SOIC MR V CC GND PFI RESET RESET NC PFO PT7A7531P-7535P PT7A7531W-7535W 8-Pin PDIP/8-Pin SOIC PT7A7511W-7515W PT7A7521W-7525W PT7A7531W-7535W Pin Description Pin Type Description MR I Manual-Reset: triggers a reset pulse when pulled below 0.8V, active low. It has an internal 250 µA pull- up current and be driven from a TTL or CMOS logic line as well as shorted to ground with a switch. VCC Power Supply Voltage. GND Ground Ground Reference for all signals. PFI I Power-Fail Voltage Monitor Input. When PFI is less than 1.25V, PFO goes low. Connect PFI to GND or Vcc when not used. PFO O Power-Fail Output: it gets low and sinks current when PFI is less than 1.25V; otherwise PFO stays high. WDI I Watchdog Input: If WDI remains high or low for 1.6sec, the internal watchdog timer runs out and WDO goes low. Floating WDI or connecting WDI to a high-impedance three-state buffer disables the watchdog feature. The internal watchdog timer clears whenever reset is asserted. WDI is three -stated, or WDI sees a rising or falling edge. RESET O Reset Output pulses: low for 200ms when triggered, and stays low whenever Vcc is below the reset threshold. It remains low for 200ms after Vcc rises above the reset threshold or MR goes from low to high. A watchdog timeout will not trigger RESET unless WDO is connected to MR. WDO O Watchdog Output: pulls low when the internal watchdog timer finishes its 1.6sec count and does not go high again until the watchdog is cleared. WDO also goes low during low -line conditions. Whenever Vcc is below the reset threshold, WDO stays low; however, unlike RESET, WDO does not have minimum pulse width. As soon as Vcc rises above the reset threshold, WDO goes high with no delay. RESET O The inverse of RESET, active high. Whenever RESET is high, RESET is low.

PT7A7511-15/7521-25/7531-35 www.diodes.com August 2020 Document Number DS43101 Rev 1-3 4 © Diodes Incorporated PT7A7511-15/7521-25/7531-35 Maximum Ratings Recommended Operation Conditions Symbol Description Test Conditions Min. Typ. Max. Unit VCC Supply Voltage for 75x1,75x2 - 4.5 5.0 5.5 V Supply Voltage for 75x3,75x4 - 3.0 3.3 5.5 V Supply Voltage for 75x5 2.7 3.0 5.5 VIH1 MR Input High Voltage VCC > 4.0V 2.0 2.4 - V VCC ≤ 4.0V 0.7VCC - - V VIH2 WDI Input High Voltage - 0.7VCC - - V VIL1 MR Input Low Voltage VCC > 4.0V - - 0.8 V VCC ≤ 4.0V - - 0.2VCC V VIL2 WDI Input Low Voltage - - - 0.3VCC V TA Operating Temperature - -40 - 85 ℃ (VCC = VRN + 5% to 5.5V, TA= -40~85º C, unless otherwise noted.)(Note 1) Symbol Description Test Conditions Min. Typ. Max. Unit ICC Supply Current 75x1/x2 Vcc = 5V, 75x3/x4 Vcc = 3.3V, 75x5 Vcc = 3.0V, Left WDI un- connected (No output load) - 30 200 µA VIH Input High Voltage Pin: MR, WDI 0.7VCC - - V VIL Input Low Voltage Pin: MR, WDI - - 0.3VCC V VRST Reset Threshold Voltage (Note 2) TA= 25º C VRN - 1.5% VRN VRN + 1.5% V 75x1 4.560 4.630 4.699 75x2 4.314 4.380 4.446 75x3 3.034 3.080 3.126 75x4 2.886 2.930 2.974 75x5 2.590 2.630 2.669 VRTH＋ Reset Threshold Voltage (Note 2) VCC Varies between VRN - 5% - 70 - mV VOH Output High Voltage Vcc  4.5V Isource=800µA Vcc-1.5 - - V Vcc  2.7V Isource=500µA 0.8×Vcc - - Vcc  1.8V Isource=150µA 0.8×Vcc - - VOL Output Low Voltage Vcc  4.5V Isink=3.2mA - - 0.4 V Vcc  2.7V Isink=1.2mA - - 0.3 Vcc  1.2V Isink=100µA - - 0.3 Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the dev ice at these or any other condi tions above those indicated in t he operational sec tions of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

PT7A7511-15/7521-25/7531-35 www.diodes.com August 2020 Document Number DS43101 Rev 1-3 5 © Diodes Incorporated PT7A7511-15/7521-25/7531-35 Symbol Description Test Conditions Min. Typ. Max. Unit IPFI PFI Input Current PFI connected to Vcc - - 2.00 µA PFI connected to GND -2.00 - - IWDI Average WDI Input Current (Note 3) WDI connected to VCC - 30 100 µA WDI connected to GND -100 -30 - IMR MR input Current MR=0, Vcc = 5V -600 -250 -100 µA Note: 1. Parameters of room temperature guaranteed by production test and parameters of full-temperature guaranteed by design. 2. Valid for both RESET and RESET. VRST is the Reset threshold voltage when VCC from high to low level, VRN is nominal reset threshold voltage. 3. WDI is internally serviced within the watchdog period if WDI is left unconnected. Symbol Description Test Conditions Min Typ Max Unit tRS Reset Pulse Width MR from low to High, TA=25℃ 160 200 280 ms tWD Watchdog Timeout Period WDI, MR tied to Vcc, Vcc>VRN+5% , TA=25℃ 1.2 1.6 2.25 s tMR MR Pulse Width - 200 - - ns tMD MR to RESET Delay Vcc=5V - - 250 ns tWP WDI Pulse Width - 150 - - ns

PT7A7511-15/7521-25/7531-35 www.diodes.com August 2020 Document Number DS43101 Rev 1-3 6 © Diodes Incorporated PT7A7511-15/7521-25/7531-35 Watchdog Timing Diagram tWP tWD tWDtWD tRS WDI WDO RESET RESET Externally Triggered by MR Watchdog Timing Diagram VRT tRStRS tMR tMD WDO RESET MR VRTVCC

PT7A7511-15/7521-25/7531-35 www.diodes.com August 2020 Document Number DS43101 Rev 1-3 7 © Diodes Incorporated PT7A7511-15/7521-25/7531-35 Functional Description Reset Output Watchdog Timer µ Manual Reset Power-Fail Comparator

PT7A7511-15/7521-25/7531-35 www.diodes.com August 2020 Document Number DS43101 Rev 1-3 8 © Diodes Incorporated PT7A7511-15/7521-25/7531-35 Typical Application Circuit DC Linear Regulator Vcc Supervisory PFI Circuit WDI Vcc RESET I/O Line NMI Interrupt IN OUT RESET WDO PFOMR Part Marking Top mark not available at this time. To obtain advance information regarding the top mark, please contact your local sales representative.

PT7A7511-15/7521-25/7531-35 www.diodes.com August 2020 Document Number DS43101 Rev 1-3 9 © Diodes Incorporated PT7A7511-15/7521-25/7531-35 Packaging Mechanical 8-SOIC (W) For latest package info. please check: http://www.diodes.com/design/support/packaging/pericom-packaging/packaging-mechanicals-and-thermal-characteristics/

Ordering Information

Part Number Package Code Package Description PT7A751xWEX W 8-Pin, 150mil-Wide (SOIC) PT7A752xWEX W 8-Pin, 150mil-Wide (SOIC) PT7A753xWEX W 8-Pin, 150mil-Wide (SOIC) Notes: 1. “x” refers to voltage range, see below Function Comparison Table. 2. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 3. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 4. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 5. E = Pb-free and Green 6. X suffix = Tape/Reel

PT7A7511-15/7521-25/7531-35 www.diodes.com August 2020 Document Number DS43101 Rev 1-3 10 © Diodes Incorporated PT7A7511-15/7521-25/7531-35 Function Comparison Table Part No. Reset Threshold Reset Active Low or High Nom. Reset Time (ms), tRS Nom. Watch dog Time (sec), tWD Power Fail Comp. Manual Reset Input PT7A7511 4.63V LOW 200 1.6 1.25V detector Yes PT7A7521 4.63V HIGH 200 1.6 1.25V detector Yes PT7A7531 4.63V LOW, HIGH 200 unavailable 1.25V detector Yes PT7A7512 4.38V LOW 200 1.6 1.25V detector Yes PT7A7522 4.38V HIGH 200 1.6 1.25V detector Yes PT7A7532 4.38V LOW, HIGH 200 unavailable 1.25V detector Yes PT7A7513 3.08V LOW 200 1.6 1.25V detector Yes PT7A7523 3.08V HIGH 200 1.6 1.25V detector Yes PT7A7533 3.08V LOW, HIGH 200 unavailable 1.25V detector Yes PT7A7514 2.93V LOW 200 1.6 1.25V detector Yes PT7A7524 2.93V HIGH 200 1.6 1.25V detector Yes PT7A7534 2.93V LOW, HIGH 200 unavailable 1.25V detector Yes PT7A7515 2.63V LOW 200 1.6 1.25V detector Yes PT7A7525 2.63V HIGH 200 1.6 1.25V detector Yes PT7A7535 2.63V LOW, HIGH 200 unavailable 1.25V detector Yes

PT7A7511-15/7521-25/7531-35 www.diodes.com August 2020 Document Number DS43101 Rev 1-3 11 © Diodes Incorporated PT7A7511-15/7521-25/7531-35 IMPORTANT NOTICE 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 A NY JURISDICTION). Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not a ssume any liability arising out of the application or use of this document or any product described herein; neither does Diod es Incorporated convey any license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are repres ented on Diodes Incorporated website, harmless against all damages. Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Custo mers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein m ay also be covered by one or more United States, international or foreign trademarks. This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the final and determinative format released by Diodes Incorporated. LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as criti cal components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided i n the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they ar e solely responsible for all legal, regulatory and safety -related requirements concerning their products and any use of Diodes Inco rporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, 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 © 2020, Diodes Incorporated www.diodes.com