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TPS78630KTTR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS78630KTTR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 21 page www.ti.com FEATURES DESCRIPTION APPLICATIONS 1 2 3 4 5 6 GND DCQ PACKAGE SOT223-6 (TOP VIEW) NR/FB OUT GND IN EN 1 KTT PACKAGE DDPAK-5 (TOP VIEW) 2 3 4 5 EN IN GND OUT 0 10 20 30 40 50 60 70 80 Frequency (Hz) 1 10k 10M 1k IOUT = 1 mA TPS78630 RIPPLE REJECTION vs FREQUENCY IOUT = 1.5 A VIN = 4 V COUT = 10 µF CNR = 0.01 µF 10 100 100k 1M 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Frequency (Hz) 100 10k 100k 1k IOUT = 1 mA TPS78630 OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY IOUT = 1.5 A VIN = 5.5 V COUT = 2.2 µF CNR = 0.1 µF NR/FB TAB GND TPS786xx SLVS389G – SEPTEMBER 2002 – REVISED JULY 2006 ULTRALOW-NOISE, HIGH-PSRR, FAST, RF, 1.5-A LOW-DROPOUT LINEAR REGULATORS • 1.5-A Low-Dropout Regulator With Enable The TPS786xx family of low-dropout (LDO) low-power linear voltage regulators features high • Available in Fixed and Adjustable (1.2-V to power-supply rejection ratio (PSRR), ultralow noise, 5.5-V) Output Versions fast start-up, and excellent line and load transient • High PSRR (49 dB at 10 kHz) responses in small outline, SOT223-6 and DDPAK-5 • Ultralow Noise (48 µV RMS, TPS78630) packages. Each device in the family is stable, with a small 1- µF ceramic capacitor on the output. The • Fast Start-Up Time (50 µs) family uses an advanced, proprietary BiCMOS • Stable With a 1-µF Ceramic Capacitor fabrication process to yield extremely low dropout • Excellent Load/Line Transient Response voltages (for example, 390 mV at 1.5 A). Each device achieves fast start-up times (approximately 50 • Very Low Dropout Voltage (390 mV at Full µs with a 0.001 µF bypass capacitor) while Load, TPS78630) consuming very low quiescent current (265 µA, • 6-Pin SOT223 and 5-Pin DDPAK Package typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than 1 µA. The TPS78630 exhibits approximately 48 • RF: VCOs, Receivers, ADCs µV RMS of output voltage at 3.0 V output noise with a 0.1 µF bypass capacitor. Applications with analog • Audio components that are noise sensitive, such as • Bluetooth®, Wireless LAN portable RF electronics, benefit from the high PSRR, • Cellular and Cordless Telephones low noise features, and the fast response time. • Handheld Organizers, PDAs 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. Bluetooth is a registered trademark of Bluetooth SIG, Inc. All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2002–2006, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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