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线性和低压降 (LDO) 稳压器

TPS712

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具有使能功能的 250mA、双通道低压降稳压器

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功能与比较器件相似
TLV751 正在供货 500mA、低 IQ、高 PSRR、双通道低压降 (LDO) 稳压器 Alternative dual LDO with high accuracy in a 2x2 WSON package

TPS712

正在供货
数据表 立即订购

米6体育平台手机版_好二三四详情

Output options Adjustable Output, Dual output, Fixed Output Iout (max) (A) 0.25 Vin (max) (V) 5.5 Vin (min) (V) 2.7 Vout (max) (V) 5.4 Vout (min) (V) 1.2 Fixed output options (V) 1.8, 2.8, 2.85 Rating Catalog Noise (µVrms) 32 PSRR at 100 KHz (dB) 37 Iq (typ) (mA) 0.3 Thermal resistance θJA (°C/W) 50 Load capacitance (min) (µF) 2.2 Regulated outputs (#) 2 Features Enable Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 125 Operating temperature range (°C) -40 to 125
Output options Adjustable Output, Dual output, Fixed Output Iout (max) (A) 0.25 Vin (max) (V) 5.5 Vin (min) (V) 2.7 Vout (max) (V) 5.4 Vout (min) (V) 1.2 Fixed output options (V) 1.8, 2.8, 2.85 Rating Catalog Noise (µVrms) 32 PSRR at 100 KHz (dB) 37 Iq (typ) (mA) 0.3 Thermal resistance θJA (°C/W) 50 Load capacitance (min) (µF) 2.2 Regulated outputs (#) 2 Features Enable Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 125 Operating temperature range (°C) -40 to 125
VSON (DRC) 10 9 mm² 3 x 3
  • Dual 250 mA High-Performance RF LDOs
  • Available in Fixed and Adjustable
    Voltage Options (1.2 V to 5.5 V)
  • High PSRR: 65 dB at 10 kHz
  • UltraLow 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: 3mm × 3mm × 1mm
  • APPLICATIONS
    • Cellular and Cordless Phones
    • Wireless PDA/Handheld Products
    • PCMCIA/Wireless LAN Applications
    • Digital Camera/Camcorder/Internet Audio
    • DSP/FPGA/ASIC/Controllers and Processors
  • Dual 250 mA High-Performance RF LDOs
  • Available in Fixed and Adjustable
    Voltage Options (1.2 V to 5.5 V)
  • High PSRR: 65 dB at 10 kHz
  • UltraLow 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: 3mm × 3mm × 1mm
  • APPLICATIONS
    • Cellular and Cordless Phones
    • Wireless PDA/Handheld Products
    • PCMCIA/Wireless LAN Applications
    • Digital Camera/Camcorder/Internet Audio
    • DSP/FPGA/ASIC/Controllers and Processors

The TPS712xx family of low-dropout (LDO) voltage regulators is tailored to noise-sensitive and RF applications. These products feature dual 250 mA LDOs with ultralow 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). Each 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. Each regulator exhibits approximately 32 µrms 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, will benefit from high PSRR, low noise, and fast line and load transient features. The TPS712 family is offered in a thin 3mm × 3mm SON package and is fully specified from –40°C to +125°C (TJ).

The TPS712xx family of low-dropout (LDO) voltage regulators is tailored to noise-sensitive and RF applications. These products feature dual 250 mA LDOs with ultralow 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). Each 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. Each regulator exhibits approximately 32 µrms 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, will benefit from high PSRR, low noise, and fast line and load transient features. The TPS712 family is offered in a thin 3mm × 3mm SON package and is fully specified from –40°C to +125°C (TJ).
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类型 标题 下载最新的英语版本 日期
* 数据表 Dual 250-mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator 数据表 (Rev. D) 2010年 8月 17日
应用手册 LDO 噪声揭秘 (Rev. B) PDF | HTML 英语版 (Rev.B) PDF | HTML 2020年 9月 16日
应用手册 Using Thermal Calculation Tools for Analog Components (Rev. A) 2019年 8月 30日
应用手册 LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 2017年 8月 9日
应用手册 简化的 LDO PSRR 测量 最新英语版本 (Rev.A) PDF | HTML 2010年 7月 28日
应用手册 Power for TMS320C5504/05 (Rev. A) 2010年 4月 23日
应用手册 Powering OMAP™3 With TPS6235x: Design-In Guide 2008年 12月 3日
EVM 用户指南 TPS712xxEVM User's Guide 2005年 2月 7日

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原理图

Schematic for PR785: Discrete Power Solution for OMAP3503 & OMAP3515

SLUA480.PDF (129 KB)
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VSON (DRC) 10 Ultra Librarian
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