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TPS794的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:线性和低压降 (LDO) 稳压器
  • 功能描述:具有使能功能的 250mA、低压降稳压器
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TPS794的产品详情:

The TPS794xx family of low-dropout (LDO) 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, MSOP-8 PowerPAD™ and SOT223-6 packages. Each device in the family is stable with a small 2.2-µF ceramic capacitor on the output. The family uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example, 155 mV at 250 mA). Each device achieves fast start-up times (approximately 50 µs with a 0.001-µF bypass capacitor) while consuming low quiescent current (170 µA typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than µA. The TPS79428 exhibits approximately 32 µVRMS of output voltage noise at 2.8 V output 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 and low noise features as well as the fast response time.

TPS794的优势和特性:
  • 250-mA Low-Dropout Regulator With Enable
  • Available in Fixed and Adjustable (1.2 V to5.5 V) Versions
  • High PSRR (60 dB at 10 kHz)
  • Ultralow Noise (32 μVrms, TPS79428)
  • Fast Start-Up Time (50 μs)
  • Stable With a 2.2-μF Ceramic Capacitor
  • Excellent Load/Line Transient Response
  • Very Low Dropout Voltage (155 mV at Full Load)
  • Available in MSOP-8 and SOT223-6 Packages
  • APPLICATIONS
    • RF: VCOs, Receivers, ADCs
    • Audio
    • Bluetooth?, Wireless LAN
    • Cellular and Cordless Telephones
    • Handheld Organizers, PDAs

PowerPAD is a trademark of Texas Instruments. Bluetooth is a trademark of Bluetooth SIG, Inc. All trademarks are the property of their respective owners.

TPS794的参数(英文):
  • Output options
  • Adjustable 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)
  • 1.22
  • Fixed output options (V)
  • 1.8, 2.5, 2.8, 3, 3.3
  • Noise (uVrms)
  • 32
  • Iq (Typ) (mA)
  • 0.17
  • Thermal resistance θJA (°C/W)
  • 53
  • Rating
  • Catalog
  • Load capacitance (Min) (μF)
  • 2.2
  • Regulated outputs (#)
  • 1
  • Features
  • Enable
  • Accuracy (%)
  • 3
  • PSRR @ 100 KHz (dB)
  • 38
  • Dropout voltage (Vdo) (Typ) (mV)
  • 155
  • Operating temperature range (C)
  • -40 to 85
TPS794具体的完整产品型号参数及价格(美元):

TPS794的完整型号有:TPS79401DCQ、TPS79401DCQR、TPS79401DGNR、TPS79401DGNT、TPS79418DCQ、TPS79418DCQR、TPS79418DGNR、TPS79418DGNT、TPS79425DCQ、TPS79425DCQR、TPS79425DGNR、TPS79425DGNT、TPS79428DCQ、TPS79428DCQR、TPS79428DGNT、TPS79430DCQ、TPS79430DCQR、TPS79430DGNR、TPS79430DGNT、TPS79433DCQ、TPS79433DCQR、TPS79433DGNR、TPS79433DGNT,以下是这些产品的关键参数及官网采购报价:

TPS79401DCQ,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:78个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79401DCQ的批量USD价格:.881(1000+)

TPS79401DCQR,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79401DCQR的批量USD价格:.734(1000+)

TPS79401DGNR,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAUAG,TI官网TPS79401DGNR的批量USD价格:.717(1000+)

TPS79401DGNT,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAUAG,TI官网TPS79401DGNT的批量USD价格:.86(1000+)

TPS79418DCQ,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:78个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79418DCQ的批量USD价格:.881(1000+)

TPS79418DCQR,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79418DCQR的批量USD价格:.734(1000+)

TPS79418DGNR,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS79418DGNR的批量USD价格:.717(1000+)

TPS79418DGNT,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS79418DGNT的批量USD价格:.86(1000+)

TPS79425DCQ,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:78个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79425DCQ的批量USD价格:.881(1000+)

TPS79425DCQR,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79425DCQR的批量USD价格:.734(1000+)

TPS79425DGNR,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS79425DGNR的批量USD价格:.717(1000+)

TPS79425DGNT,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS79425DGNT的批量USD价格:.86(1000+)

TPS79428DCQ,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:78个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79428DCQ的批量USD价格:.881(1000+)

TPS79428DCQR,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79428DCQR的批量USD价格:.734(1000+)

TPS79428DGNT,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS79428DGNT的批量USD价格:.717(1000+)

TPS79430DCQ,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:78个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79430DCQ的批量USD价格:.881(1000+)

TPS79430DCQR,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79430DCQR的批量USD价格:.734(1000+)

TPS79430DGNR,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS79430DGNR的批量USD价格:.717(1000+)

TPS79430DGNT,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS79430DGNT的批量USD价格:.86(1000+)

TPS79433DCQ,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:78个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79433DCQ的批量USD价格:.881(1000+)

TPS79433DCQR,工作温度:-40 to 85,封装:SOT-223 (DCQ)-6,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS79433DCQR的批量USD价格:.734(1000+)

TPS79433DGNR,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS79433DGNR的批量USD价格:.717(1000+)

TPS79433DGNT,工作温度:-40 to 85,封装:HVSSOP (DGN)-8,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS79433DGNT的批量USD价格:.86(1000+)

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TPS794的评估套件:

DEM-SOT223LDO — 采用 SOT223 (DCQ) 封装与大多数正输出 LDO 兼容的 DEM-SOT223LDO

The Texas Instruments DEM-SOT223LDO demonstration module (DEM) helps designers evaluate the operation and performance of Texas Instruments low-dropout regulators (LDOs). This module is compatible with most positive output LDOs offered in the SOT223 (DCQ) package.

TPS79401 PSpice Transient Model

该 Artix 7 电源管理参考设计板使用电源模块、线性稳压器和兼容 PMBus 的系统控制器来提供 FPGA(包括 DDR 存储器终端)所需的所有内核和辅助电压。数字电源图形用户界面用于监控电路板电源轨的电压和电流强度。
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