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TPS78630DCQRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS78630DCQRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page 1 2 3 4 5 6 GND NR/FB OUT GND IN EN 1 KTT (DDPAK) PACKAGE (TOP VIEW) 2 3 4 5 EN IN GND OUT NR/FB EN NC GND NR/FB 8 7 6 5 IN IN OUT OUT 1 2 3 4 DRB PACKAGE 3mm x 3mm SON (TOP VIEW) DCQ PACKAGE SOT223-6 (TOP VIEW) 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 mF CNR = 0.01 mF 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 mF CNR = 0.1 mF TPS786xx www.ti.com SLVS389L – SEPTEMBER 2002 – REVISED OCTOBER 2010 ULTRALOW-NOISE, HIGH-PSRR, FAST, RF, 1.5-A LOW-DROPOUT LINEAR REGULATORS Check for Samples: TPS786xx 1 FEATURES DESCRIPTION 234 • 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 mVRMS, TPS78630) packages. Each device in the family is stable, with a small 1-mF ceramic capacitor on the output. The • Fast Start-Up Time (50 ms) family uses an advanced, proprietary BiCMOS • Stable With a 1-mF 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 ms with • Very Low Dropout Voltage (390 mV at Full a 0.001-mF bypass capacitor) while consuming very Load, TPS78630) low quiescent current (265 mA, typical). Moreover, • 3 × 3 SON PowerPAD™, 6-Pin SOT223 and when the device is placed in standby mode, the 5-Pin DDPAK Package supply current is reduced to less than 1 mA. The TPS78630 exhibits approximately 48 mVRMS of output APPLICATIONS voltage at 3.0-V output noise with a 0.1-mF 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 1 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. 2 PowerPAD is a trademark of Texas Instruments Inc. 3 Bluetooth is a registered trademark of Bluetooth SIG, Inc. 4 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2002–2010, 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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