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TPS71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:具有使能和复位延迟功能的 500mA、10V、低压降稳压器
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TPS71的产品详情:

The TPS71xx integrated circuits are a family of micropower low-dropout (LDO) voltage regulators. An order of magnitude reduction in dropout voltage and quiescent current over conventional LDO performance is achieved by replacing the typical pnp pass transistor with a PMOS device.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (maximum of 32 mV at an output current of 100 mA for the TPS7150) and is directly proportional to the output current (see Figure 1). Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and remains independent of output loading (typically 285 µA over the full range of output current, 0 mA to 500 mA). These two key specifications yield a significant improvement in operating life for battery-powered systems. The LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to 0.5 µA maximum at TJ = 25°C.

Voltage – Power good (PG) reports low output voltage and can be used to implement a power-on reset or a low-battery indicator.

The TPS71xx is offered in 3.3-V, 4.85-V, and 5-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.2 V to 9.75 V). Output voltage tolerance is specified as a maximum of 2% over line, load, and temperature ranges (3% for adjustable version). The TPS71xx family is available in PDIP (8 pin), SO (8 pin), and TSSOP (20-pin) packages. The TSSOP has a maximum height of 1,2 mm.

TPS71的优势和特性:
  • Available in 5-V, 4.85-V, and 3.3-V Fixed-Output and Adjustable Versions
  • Very Low-Dropout Voltage ...Maximum of 32 mV at IO = 100 mA (TPS7150)
  • Very Low Quiescent Current – Independent of Load . . . 285 μA Typ
  • Extremely Low Sleep-State Current 0.5 μA Max
  • 2% Tolerance Over Specified Conditions For Fixed-Output Versions
  • Output Current Range of 0 mA to 500 mA
  • TSSOP Package Option Offers Reduced Component Height for Space-Critical Applications
  • Power-Good (PG) Status Output

TPS71的参数(英文):
  • Output options
  • Adjustable Output, Fixed Output
  • Iout (Max) (A)
  • 0.5
  • Vin (Max) (V)
  • 10
  • Vin (Min) (V)
  • 2.5
  • Vout (Max) (V)
  • 9.75
  • Vout (Min) (V)
  • 1.2
  • Fixed output options (V)
  • 3.3, 4.8, 5
  • Noise (uVrms)
  • 89
  • Iq (Typ) (mA)
  • 0.28
  • Thermal resistance θJA (°C/W)
  • 106
  • Rating
  • Catalog
  • Load capacitance (Min) (μF)
  • 10
  • Regulated outputs (#)
  • 1
  • Features
  • Enable, Power good
  • Accuracy (%)
  • 3
  • PSRR @ 100 KHz (dB)
  • 3
  • Dropout voltage (Vdo) (Typ) (mV)
  • 235
  • Operating temperature range (C)
  • -40 to 125
TPS71具体的完整产品型号参数及价格(美元):

TPS71的完整型号有:TPS7101QD、TPS7101QDR、TPS7101QP、TPS7101QPWR、TPS7133QD、TPS7133QDR、TPS7133QP、TPS7148QD、TPS7148QP、TPS7150QD、TPS7150QDR、TPS7150QP,以下是这些产品的关键参数及官网采购报价:

TPS7101QD,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:75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TPS7101QD的批量USD价格:1.781(1000+)

TPS7101QDR,工作温度:-40 to 125,封装:SOIC (D)-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TPS7101QDR的批量USD价格:1.507(1000+)

TPS7101QP,工作温度:-40 to 125,封装:PDIP (P)-8,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:NIPDAU,TI官网TPS7101QP的批量USD价格:1.507(1000+)

TPS7101QPWR,工作温度:-40 to 125,封装:TSSOP (PW)-20,包装数量MPQ:2000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TPS7101QPWR的批量USD价格:1.507(1000+)

TPS7133QD,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:75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TPS7133QD的批量USD价格:1.793(1000+)

TPS7133QDR,工作温度:-40 to 125,封装:SOIC (D)-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TPS7133QDR的批量USD价格:1.517(1000+)

TPS7133QP,工作温度:-40 to 125,封装:PDIP (P)-8,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:NIPDAU,TI官网TPS7133QP的批量USD价格:1.507(1000+)

TPS7148QD,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:75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TPS7148QD的批量USD价格:1.507(1000+)

TPS7148QP,工作温度:-40 to 125,封装:PDIP (P)-8,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:NIPDAU,TI官网TPS7148QP的批量USD价格:1.507(1000+)

TPS7150QD,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:75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TPS7150QD的批量USD价格:1.201(1000+)

TPS7150QDR,工作温度:-40 to 125,封装:SOIC (D)-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TPS7150QDR的批量USD价格:1.016(1000+)

TPS7150QP,工作温度:-40 to 125,封装:PDIP (P)-8,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:NIPDAU,TI官网TPS7150QP的批量USD价格:1.109(1000+)

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TPS71的评估套件:

TPS7X01CALC — 免费工具:计算 TPS7x01 参数

This spreadsheet calculates the operating parameters for the Texas Instruments TPS7x01 family of adjustable low dropout regulators.

The closest 1% resistor values are calculated, as well as, the maximum power dissipation, worst-case output voltages, Power-Good trip voltages, and maximum (...)

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