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REG113EA332K5G4 Datasheet(PDF) 1 Page - Texas Instruments |
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REG113EA332K5G4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 20 page www.ti.com PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2001-2005, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. REG113 FEATURES q CAP-FREE DMOS TOPOLOGY: Ultra Low Dropout Voltage: 250mV typ at 400mA Output Capacitor not Required for Stability q UP TO 500mA PEAK, TYPICAL q FAST TRANSIENT RESPONSE q VERY LOW NOISE: 28 µVrms q HIGH ACCURACY: ±1.5% max q HIGH EFFICIENCY: IGND = 850µA at IOUT = 400mA Not Enabled: IGND = 0.01µA q 2.5V, 2.85V, 3.0V, 3.3V, AND 5.0V OUTPUT VERSIONS q OTHER OUTPUT VOLTAGES AVAILABLE UPON REQUEST q FOLDBACK CURRENT LIMIT q THERMAL PROTECTION q SMALL SURFACE-MOUNT PACKAGES: SOT23-5 and MSOP-8 APPLICATIONS q PORTABLE COMMUNICATION DEVICES q BATTERY-POWERED EQUIPMENT q PERSONAL DIGITAL ASSISTANTS q MODEMS q BAR-CODE SCANNERS q BACKUP POWER SUPPLIES DESCRIPTION The REG113 is a family of low-noise, low-dropout linear regulators with low ground pin current. Its new DMOS topol- ogy provides significant improvement over previous designs, including low-dropout voltage (only 250mV typ at full load), and better transient performance. In addition, no output capacitor is required for stability, unlike conventional low- dropout regulators that are difficult to compensate and re- quire expensive low ESR capacitors greater than 1 µF. Typical ground pin current is only 850 µA (at I OUT = 400mA) and drops to 10nA when not enabled. Unlike regulators with PNP pass devices, quiescent current remains relatively con- stant over load variations and under dropout conditions. The REG113 has very low output noise (typically 28 µVrms for VOUT = 3.3V with CNR = 0.01µF), making it ideal for use in portable communications equipment. Accuracy is main- tained over temperature, line, and load variations. Key parameters are tested over the specified temperature range (–40 °C to +85°C). The REG113 is well protected—internal circuitry provides a current limit which protects the load from damage, further- more, thermal protection circuitry keeps the chip from being damaged by excessive temperature. The REG113 is avail- able in SOT23-5 and MSOP-8 packages. SBVS031D – MARCH 2001 – REVISED SEPTEMBER 2005 REG113 Enable GND 0.1 µF C OUT (1) + + V OUT V IN NR(2) NOTES: (1) Optional. (2) NR = Noise Reduction. DMOS 400mA Low-Dropout Regulator All trademarks are the property of their respective owners. |
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