TPS7A88 - 双通道 1A 低噪声 LDO

TPS7A88是TI德州仪器公司的一款多通道LDO产品，TPS7A88是双通道 1A 低噪声 LDO，本站介绍了TPS7A88的封装应用图解、特点和优点、功能等，并给出了与TPS7A88相关的TI元器件型号供参考。

TPS7A88 - 双通道 1A 低噪声 LDO - 多通道LDO - 线性稳压器(LDO) - 德州仪器

产品特性

Two Independent LDO Channels
Low Output Noise: < 3.8 µVRMS (10 Hz–100 kHz)
Low Dropout: 200 mV (Max) at 1 A
Wide Input Voltage Range: 1.4 V to 6.5 V
Wide Output Voltage Range: 0.8 V to 5.0 V
High Power-Supply Ripple Rejection:
- 75 dB at DC
- 40 dB at 100 kHz
- 40 dB at 1 MHz
1.0% Accuracy Over Line, Load, and Temperature
Excellent Load Transient Response
Adjustable Start-Up In-Rush Control
Selectable Soft-Start Charging Current
Independent Open-Drain Power-Good (PG) Outputs
Stable with a 10-µF or Larger Ceramic Output Capacitor
4-mm × 4-mm, 20-Pin WQFN Package

产品应用

High-Speed Analog Circuits:
- VCO, ADC, DAC, LVDS
Imaging: CMOS Sensors, Video ASICs
Test and Measurement
Instrumentation, Medical, and Audio
Digital Loads: SerDes, FPGA, DSP™

产品说明

The TPS7A88 is a dual, low-noise (3.8 µVRMS), low-dropout (LDO) voltage regulator capable of sourcing 1 A per channel with only 200 mV of maximum dropout.

The TPS7A88 provides the flexibility of two independent LDOs and approximately 50% smaller solution size than two single-channel LDOs. Each output is adjustable with external resistors from 0.8 V to 5.0 V. The TPS7A88 wide input-voltage range supports operation as low as 1.4 V and up to 6.5 V.

With 1% output voltage accuracy (over line, load, and temperature) and soft-start capabilities to reduce in-rush current, the TPS7A88 is ideal for powering sensitive analog low-voltage devices [such as voltage-controlled oscillators (VCOs), analog-to-digital converters (ADCs), digital-to-analog converters (DACs), high-end processors, and field-programmable gate arrays (FPGAs)].

The TPS7A88 is designed to power up noise-sensitive components such as those found in high-speed communication, video, medical, or test and measurement applications. The very low 4-µVRMS output noise and wideband PSRR (40 dB at 1 MHz) minimizes phase noise and clock jitter. These features maximize performance of clocking devices, ADCs, and DACs.

Device Information(1)

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS7A88	WQFN (20)	4.00 mm × 4.00 mm

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