TPS78628 - 单输出 LDO、1.5A、固定电压 (2.8V)、低噪声、高 PSRR

TPS78628是TI德州仪器公司的一款单通道LDO产品，TPS78628是单输出 LDO、1.5A、固定电压 (2.8V)、低噪声、高 PSRR，本站介绍了TPS78628的封装应用图解、特点和优点、功能等，并给出了与TPS78628相关的TI元器件型号供参考。

TPS78628 - 单输出 LDO、1.5A、固定电压 (2.8V)、低噪声、高 PSRR - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品特性

1.5-A Low-Dropout Regulator With Enable
Available in Fixed and Adjustable (1.2 V to 5.5 V) Output Versions
High PSRR (49 dB at 10 kHz)
Ultralow Noise (48 μVRMS, TPS78630)
Fast Start-Up Time (50 μs)
Stable With a 1-μF Ceramic Capacitor
Excellent Load and Line Transient Response
Very Low Dropout Voltage (390 mV at Full Load, TPS78630)
3 × 3 SON PowerPAD™, 6-Pin SOT223 and 5-Pin DDPAK Package

产品应用

RF: VCOs, Receivers, ADCs
Audio
Bluetooth®, Wireless LAN
Cellular and Cordless Telephones
Handheld Organizers, PDAs

产品说明

The TPS786 family of low-dropout (LDO) low-power linear voltage regulators features high power-supply rejection ratio (PSRR), ultralow noise, fast start-up, and excellent line and load transient responses in small outline, SOT223-6 and DDPAK-5 packages. Each device in the family is stable, with a small 1-μF ceramic capacitor on the output. The family uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example, 390 mV at 1.5 A). Each device achieves fast start-up times (approximately 50 μs with a 0.001-μF bypass capacitor) while consuming very low quiescent current (265 μA, 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 μVRMS of output voltage at 3-V output noise with a 0.1-μF bypass capacitor. Applications with analog components that are noise sensitive, such as portable RF electronics, benefit from the high PSRR, low noise features, and the fast response time.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS786	TO-263 (5)	10.16 mm × 8.42 mm
	SOT-223 (6)	6.50 mm × 3.50 mm
	SON (8)	3.00 mm × 3.00 mm

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