TC53

M Voltage Detector Features • • • • • • Highly Accurate: ±2% Low Power Consumption: 1.0µA, Typ. Detect Voltage Range: 1.6V to 6.0V and 7.7V Operating Voltage: 1.5V to 10.0V Output Configuration: Open-Drain or CMOS Space-Saving 5-Pin SOT-23A Package TC53 General Description The TC53 is a low power voltage detector. Typical supply current consumption is only 1µA at an input voltage of 2V. The voltage detection threshold setting is factory-programmed and guaranteed to ±2% accuracy. Threshold settings are available over a range of 1.6V to 6.0V. The TC53 has both complementary (CMOS) and open drain (NMOS) output configuration options. TC53 is the ideal voltage detector for precision applications in which small size, low installed cost, high accuracy and low supply current consumption are critical. Typical Applications • Microprocessor Reset Circuits • Battery Life Monitors and Recharge Voltage Monitors • Memory Battery Backup Circuitry • Power-On Reset Circuits • Power Failure Detection • Delay Circuitry Functional Block Diagram 1) CMOS Output VIN Device Selection Table Part Number TC53-xxxxxxxxxx Package Temp. Range VOUT 5-Pin SOT-23A -40°C to +85°C VREF Other output voltages are available. Please contact Microchip Technology Inc. for details. Package Type 5-Pin SOT-23A NC 5 NC 4 VOUT VSS 2) N-Channel Open Drain Output VIN TC53 1 VOUT 2 VIN 3 VSS VSS VREF  2002 Microchip Technology Inc. DS21432C-page 1 TC53 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings* Input Voltage ........................................................+12V Output Current .................................................... 50mA Output Voltage ......................VIN + 0.3V to VSS – 0.3V Power Dissipation 5-Pin SOT-23A ...........................................240mW Operating Temperature Range............. -40°C to +85°C Storage Temperature Range .............. -40°C to +125°C *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 above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. TC53 ELECTRICAL SPECIFICATIONS Electrical Characteristics: TA = 25°C, unless otherwise specified. Note 1, Note 2. Symbol VDF VHYS ISS Parameter Detect Voltage Hysteresis Range Supply Current Min VT x 0.98 V DF x 0.02 — — — — — 1.5 — — — — — — ∆VDF/ (∆TOPR VDF) tDLY Note 1: 2: 3: Typ VT ±0.5% VDF x 0.05 0.9 1.0 1.3 1.6 2.0 — 2.2 7.7 10.1 11.5 13.0 -10.0 ±100 — Max VT x 1.02 VDF x 0.08 2.6 3.0 3.4 3.8 4.2 10.0 — — — — — — — 0.2 Units V V µA Note 3 Test Conditions VIN = 1.5V VIN = 2.0V VIN = 3.0V VIN = 4.0V VIN = 5.0V VDF = 2.1 to 6.0V N-ch; VDS = 0.5V, VIN = 1.0V VIN = 2.0V VIN = 3.0V VIN = 4.0V VIN = 5.0V P-ch; VDS = 2.1V, (CMOS Output) VIN = 8.0V VIN IOUT Operating Voltage Output Current V mA Temperature Characteristics Delay Time (VDR → VOUT Inversion) — — ppm/°C msec An additional resistor between the VIN pin and the supply voltage may alter the electrical characteristics due to the increasing values of VDR. The power consumption during power-start to output being stable (release operation) is 2µA greater than it is after that period (completion of release operation) because of rush current in the delay circuit. VT is the factory-programmed voltage detection threshold. DS21432C-page 2  2002 Microchip Technology Inc. TC53 2.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 2-1. TABLE 2-1: Pin No. (5-Pin SOT-23A) 1 2 3 4 5 PIN FUNCTION TABLE Symbol VOUT1 V IN VSS NC NC Output. Supply voltage input. Ground terminal. Not connected. Not connected. Description 3.0 DETAILED DESCRIPTION TIMING DIAGRAM Input Voltage (VIN) Detect Release Voltage (VDR) Detect Voltage (VDF) FIGURE 3-1: Minimum Operating Voltage (VMIN) Ground Voltage (VSS) Output Voltage (VOUT) Ground Voltage (VSS)  2002 Microchip Technology Inc. DS21432C-page 3 TC53 4.0 4.1 PACKAGING INFORMATION Package Marking Information 2 represents first decimal of output voltage Symbol Voltage .0 .1 .2 .3 .4 .5 .6 .7 .8 .9 3 1 represents output configuration and first integer of voltage Symbol A B C D E F H Symbol K L M N P R S Output CMOS CMOS CMOS CMOS CMOS CMOS CMOS Output Nch Nch Nch Nch Nch Nch Nch Voltage 0. 1. 2. 3. 4. 5. 6. Voltage 0. 1. 2. 3. 4. 5. 6. 0 1 2 3 4 5 6 7 8 9 3 represents delay function and delay time 3 = no delay function represents assembly lot code 4 DS21432C-page 4  2002 Microchip Technology Inc. TC53 4.2 Taping Form Component Taping Orientation for 5-Pin SOT-23A (EIAJ SC-74A) Devices User Direction of Feed Device Marking W PIN 1 P Standard Reel Component Orientation TR Suffix Device (Mark Right Side Up) Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size 5-Pin SOT-23A 8 mm 4 mm 3000 7 in 4.3 Package Dimensions SOT-23A-5 .075 (1.90) REF. .122 (3.10) .098 (2.50) .020 (0.50) .012 (0.30) PIN 1 .122 (3.10) .106 (2.70) .057 (1.45) .035 (0.90) .006 (0.15) .000 (0.00) .071 (1.80) .059 (1.50) .037 (0.95) REF. 10° MAX. .024 (0.60) .004 (0.10) .010 (0.25) .004 (0.09) Dimensions: inches (mm)  2002 Microchip Technology Inc. DS21432C-page 5 TC53 NOTES: DS21432C-page 6  2002 Microchip Technology Inc. TC53 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. PART CODE Output Configuration: N = NMOS C = CMOS Detected Voltage: Ex: 18 = 1.8V Ex: 28 = 2.8V Ex: 30 = 3.0V Tolerance: 02 = ±2% TC53 X XX 02 ECX XX Temperature/Package: E: -40°C to +85°C CT: 5-Pin SOT23A Package Taping Direction: TR: Standard Taping Sales and Support Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following: 1. 2. 3. Your local Microchip sales office The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277 The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products.  2002 Microchip Technology Inc. DS21432C-page7 TC53 NOTES: DS21432C-page8  2002 Microchip Technology Inc. TC53 Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip’s products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, FilterLab, KEELOQ, microID, MPLAB, MXDEV, PIC, PICmicro, PICMASTER, PICSTART, PRO MATE, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. dsPIC, dsPICDEM.net, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, microPort, Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, MXLAB, PICC, PICDEM, PICDEM.net, rfPIC, Select Mode and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. Serialized Quick Turn Programming (SQTP) is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2002, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper.  2002 Microchip Technology Inc. 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