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TPS79601DCQRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS79601DCQRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 33 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 (DDPAK) PACKAGE (TOP VIEW) 2 3 4 5 EN IN GND OUT NR/FB 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Frequency (Hz) 100 10k 100k 1k IOUT = 1 mA TPS79630 OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY IOUT = 1.5 A VIN = 5.5 V COUT = 2.2 µF CNR = 0.1 µF 0 10 20 30 40 50 60 70 80 Frequency (Hz) 1 10k 10M 1k IOUT = 1 mA TPS79630 RIPPLE REJECTION vs FREQUENCY IOUT = 1 A VIN = 4 V COUT = 10 µF CNR = 0.01 µF 10 100 100k 1M EN NC GND NR 8 7 6 5 IN IN OUT OUT 1 2 3 4 DRB PACKAGE 3mm x 3mm SON (TOP VIEW) TPS796xx SLVS351I – SEPTEMBER 2002 – REVISED MAY 2006 ULTRALOW-NOISE, HIGH PSRR, FAST, RF, 1A LOW-DROPOUT LINEAR REGULATORS • 1A Low-Dropout Regulator With Enable The TPS796xx family of low-dropout (LDO) low-power linear voltage regulators features high • Available in Fixed and Adjustable (1.2V to power supply rejection ratio (PSRR), ultralow-noise, 5.5V) Versions fast start-up, and excellent line and load transient • High PSRR (53dB at 10kHz) responses in small outline, 3 × 3 SON, SOT223-6, • Ultralow-Noise (40 µV RMS, TPS79630) and DDPAK-5 packages. Each device in the family is stable with a small 1 µF ceramic capacitor on the • Fast Start-Up Time (50 µs) output. The family uses an advanced, proprietary • Stable With a 1 µF Ceramic Capacitor BiCMOS fabrication process to yield extremely low • Excellent Load/Line Transient Response dropout voltages (e.g., 250mV at 1A). Each device achieves fast start-up times (approximately 50 µs with • Very Low Dropout Voltage (250mV at Full a 0.001 µF bypass capacitor) while consuming very Load, TPS79630) low quiescent current (265 µA typical). Moreover, • 3 × 3 SON, SOT223-6, and when the device is placed in standby mode, the DDPAK-5 Packages supply current is reduced to less than 1 µA. The TPS79630 exhibits approximately 40 µV RMS of output voltage noise at 3.0V output, with a 0.1 µF bypass • RF: VCOs, Receivers, ADCs capacitor. Applications with analog components that are noise sensitive, such as portable RF electronics, • Audio benefit from the high PSRR, low noise features, and • Bluetooth™, Wireless LAN the fast response time. • Cellular and Cordless Telephones • 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 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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