TPS77501, TPS77515, TPS77516, TPS77518, TPS77525, TPS77533 WITH RESET OUTPUTTPS77601, TPS77615, TPS77618, TPS77625, TPS77628, TPS77633 WITH PG OUTPUTFAST-TRANSIENT-RESPONSE 500-mA LOW-DROPOUT VOLTAGE REGULATORSSLVS232H – SEPTEMBER 1999 – REVISED JUNE 20031POST OFFICE BOX 655303 • DALLAS, TEXAS 75265D Open Drain Power-On Reset With 200-msDelay (TPS775xx)D Open Drain Power Good (TPS776xx)D 500-mA Low-Dropout Voltage RegulatorD Available in 1.5-V, 1.6-V (TPS77516 Only),1.8-V, 2.5-V, 2.8-V (TPS77628 Only), 3.3-VFixed Output and Adjustable VersionsD Dropout Voltage to 169 mV (Typ) at 500 mA(TPS77x33)D Ultralow 85 µA Typical Quiescent CurrentD Fast Transient ResponseD 2% Tolerance Over Specified Conditions forFixed-Output VersionsD 8-Pin SOIC and 20-Pin TSSOP PowerPAD(PWP) PackageD Thermal Shutdown Protection descriptionThe TPS775xx and TPS776xx devices aredesigned to have a fast transient response and bestable with a 10-µF low ESR capacitors. Thiscombination provides high performance at areasonable cost.t – Time – µsTPS77x33LOAD TRANSIENT RESPONSEI – Output Current – mAOVO– Change in∆Output Voltage – mV5000050–50Co = 2x47 µFESR = 1/2x100 mΩVO = 3.3 VVI = 4.3 V0604020 80 100 140120 160 180 200TA – Free-Air Temperature – °C–40 0 20 120103–60 40 60 80 100– Dropout Voltage – mVVDOTPS77x33DROPOUT VOLTAGEvsFREE-AIR TEMPERATURE10210110010–110–2–20 140IO = 10 mAIO = 0 mACo = 10 µFIO = 500 mAPlease be aware that an important notice concerning availability, standard warranty, and use in critical applications ofTexas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.PRODUCTION DATA information is current as of publication date.Products conform to specifications per the terms of Texas Instrumentsstandard warranty. Production processing does not necessarily includetesting of all parameters.Copyright 1999 – 2003, Texas Instruments Incorporated12348765GNDENININRESET/PGFB/NCOUTOUTD PACKAGE(TOP VIEW)1234 567891020191817161514131211PWP PACKAGE(TOP VIEW)NC – No internal connectionGND/HSINKGND/HSINKNCNCRESET/PGFB/NCOUTOUTGND/HSINKGND/HSINKGND/HSINKGND/HSINKGNDNCENININNCGND/HSINKGND/HSINKPowerPAD is a trademark of Texas Instruments.TPS77501, TPS77515, TPS77516, TPS77518, TPS77525, TPS77533 WITH RESET OUTPUTTPS77601, TPS77615, TPS77618, TPS77625, TPS77628, TPS77633 WITH PG OUTPUTFAST-TRANSIENT-RESPONSE 500-mA LOW-DROPOUT VOLTAGE REGULATORSSLVS232H – SEPTEMBER 1999 – REVISED JUNE 20032POST OFFICE BOX 655303 • DALLAS, TEXAS 75265description (continued)Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 169 mVat an output current of 500 mA for the TPS77x33) and is directly proportional to the output current. Additionally,since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independentof output loading (typically 85 µA over the full range of output current, 0 mA to 500 mA). These two keyspecifications yield a significant improvement in operating life for battery-powered systems. This LDO familyalso features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing thequiescent current to 1 µA at TJ = 25°C.The RESET output of the TPS775xx initiates a reset in microcomputer and microprocessor systems in the eventof an undervoltage condition. An internal comparator in the TPS775xx monitors the output voltage of theregulator to detect an undervoltage condition on the regulated output voltage.Power good (PG) of the TPS776xx is an active high output, which can be used to implement a power-on resetor a low-battery indicator.The TPS775xx and TPS776xx are offered in 1.5-V, 1.6-V (TPS77516 only), 1.8-V, 2.5-V, 2.8 V (TPS77628 only),and 3.3-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.5 V to 5.5 Vfor TPS77501 option and 1.2 V to 5.5 V for TPS77601 option). Output voltage tolerance is specified as amaximum of 2% over line, load, and temperature ranges. The TPS775xx and TPS776xx families are availablein 8 pin SOIC and 20 pin TSSOP packages.AVAILABLE OPTIONS†TOUTPUT VOLTAGE (V) PACKAGED DEVICESTJTYP TSSOP (PWP) SOIC (D)3.3 TPS77533PWP TPS77633PWP TPS77533D TPS77633D2.5 TPS77525PWP TPS77625PWP TPS77525D TPS77625D2.8 — TPS77628PWP — TPS77628D1.8 TPS77518PWP TPS77618PWP TPS77518D TPS77618D40°Cto125°C1.6 TPS77516PWP — TPS77516D —–40°C to 125°C1.5 TPS77515PWP TPS77615PWP TPS77515D TPS77615DAdjustable‡1.2 V to 5.5 V— TPS77601PWP — TPS77601DAdjustable‡1.5 V to 5.5 VTPS77501PWP — TPS77501D —†The TPS775xx has an open-drain power-on reset with a 200-ms delay function. The TPS776xx has an open-drain powergood function.‡The TPS77x01 is programmable using an external resistor divider (see application information). The D and PWP packagesare available taped and reeled. Add an R suffix to the device type (e.g., TPS77501DR).§See application information section for capacitor selection details.RESET/PGOUTOUT765ININENGND3161413VI0.1 µF RESET/PGVO10 µF+Co§Figure 1. Typical Application Configuration for Fixed Output OptionsTPS77501, TPS77515, TPS77516, TPS77518, TPS77525, TPS77533 WITH RESET OUTPUTTPS77601, TPS77615, TPS77618, TPS77625, TPS77628, TPS77633 WITH PG OUTPUTFAST-TRANSIENT-RESPONSE 500-mA LOW-DROPOUT VOLTAGE REGULATORSSLVS232H – SEPTEMBER 1999 – REVISED JUNE 20033POST OFFICE BOX 655303 • DALLAS, TEXAS 75265functional block diagram—adjustable version200 ms Delay(for RESET Option)_+Vref = 1.183 VOUTFB/NCENGNDPG or RESET_+INExternal to the deviceR1R2functional block diagram—fixed-voltage version_+Vref = 1.183 VOUTENGNDR1R2PG or RESET_+IN200 ms Delay(for RESET Option)TPS77501, TPS77515, TPS77516, TPS77518, TPS77525, TPS77533 WITH RESET OUTPUTTPS77601, TPS77615, TPS77618, TPS77625, TPS77628, TPS77633 WITH PG OUTPUTFAST-TRANSIENT-RESPONSE 500-mA LOW-DROPOUT VOLTAGE REGULATORSSLVS232H – SEPTEMBER 1999 – REVISED JUNE 20034POST OFFICE BOX 655303 • DALLAS, TEXAS 75265Terminal FunctionsSOIC Package (TPS775xx)TERMINALI/ODESCRIPTIONNAME NO.I/ODESCRIPTIONEN 2 I Enable inputFB/NC 7 I Feedback input voltage for adjustable device (no connect for fixed options)GND 1 Regulator groundIN 3, 4 I Input voltageOUT 5, 6 O Regulated output voltageRESET 8 O RESET outputTSSOP Package (TPS775xx)TERMINALI/ODESCRIPTIONNAME NO.I/ODESCRIPTIONEN 5 I Enable inputFB/NC 15 I Feedback input voltage for adjustable device (no connect for
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