TPS71202-EP - 增强型产品双路 250mA 输出、超低噪声、高 PSRR 低压降线性稳压器

TPS71202-EP是TI德州仪器公司的一款多通道LDO产品，TPS71202-EP是增强型产品双路 250mA 输出、超低噪声、高 PSRR 低压降线性稳压器，本站介绍了TPS71202-EP的封装应用图解、特点和优点、功能等，并给出了与TPS71202-EP相关的TI元器件型号供参考。

TPS71202-EP - 增强型产品双路 250mA 输出、超低噪声、高 PSRR 低压降线性稳压器 - 多通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The TPS71202 low-dropout (LDO) voltage regulator is tailored to noise-sensitive and RF applications. It features dual 250-mA LDOs with ultra-low noise, high power-supply rejection ratio (PSRR), and fast transient and start-up response. Each regulator output is stable with low-cost 2.2-µF ceramic output capacitors and features very low dropout voltages (125 mV typical at 250 mA). The regulator achieves fast start-up times (approximately 60 µs with a 0.001-µF bypass capacitor) while consuming very low quiescent current (300 µA typical with both outputs enabled). When the device is placed in standby mode, the supply current is reduced to less than 0.3 µA typical. The regulator exhibits approximately 32 µVrms of output voltage noise with VOUT = 2.8 V and a 0.01-µF noise reduction (NR) capacitor. Applications with analog components that are noise-sensitive, such as portable RF electronics, benefit from high PSRR, low noise, and fast line and load transient features. The TPS71202 is offered in a thin 3-mm × 3-mm SON package and is fully specified from –55°C to 125°C (TJ).

产品特性

Dual 250-mA High-Performance RF LDOs
Adjustable Output Voltage (1.2 V to 5.5 V)
High PSRR: 65 dB at 10 kHz
Ultra-Low Noise: 32 µVrms
Fast Start-Up Time: 60 µs
Stable with 2.2-µF Ceramic Capacitor
Excellent Load/Line Transient Response
Very Low Dropout Voltage: 125 mV at 250 mA
Independent Enable Pins
Thermal Shutdown and Independent Current Limit
Available in Thermally-Enhanced SON Package: 3 mm × 3 mm × 1 mm
APPLICATIONS
- Cellular and Cordless Phones
- Wireless PDA/Handheld Products
- PCMCIA/Wireless LAN Applications
- Digital Camera/Camcorder/Internet Audio
- DSP/FPGA/ASIC/Controllers and Processors
SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
- Controlled Baseline
- One Assembly/Test Site
- One Fabrication Site
- Available in Military (–55°C/125°C) Temperature Range(1)
- Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability

(1) Custom temperature ranges available

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