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TPS73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:具有电源正常指示和使能功能的 500mA、10V、低压降稳压器
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TPS73的产品详情:

The TPS73xx devices are members of a family of micropower low-dropout (LDO) voltage regulators. They are differentiated from the TPS71xx and TPS72xx LDOs by their integrated delayed microprocessor-reset function. If the precision delayed reset is not required, the TPS71xx and TPS72xx should be considered.

The RESET\ output of the TPS73xx initiates a reset in microcomputer and microprocessor systems in the event of an undervoltage condition. An internal comparator in the TPS73xx monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage.

If that occurs, the RESET\ output (open-drain NMOS) turns on, taking the RESET\ signal low. RESET\ stays low for the duration of the undervoltage condition. Once the undervoltage condition ceases, a 200-ms (typ) time-out begins. At the completion of the 200-ms delay, RESET\ goes high.

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 35mV at an output current of 100 mA for the TPS7350) and is directly proportional to the output current (see Figure1). Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is low and remains constant, independent of output loading (typically 340 uA over the full range of output current, 0 mA to 500mA). 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 logic high signal to EN\ (enable\) shuts down the regulator, reducing the quiescent current to 0.5 uA maximum at TJ = 25°C.

The TPS73xx is offered in 2.5-V, 3-V, 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 the 2.5 V and the adjustable version). The TPS73xx family is available in PDIP (8 pin), SO (8 pin) and TSSOP (20 pin) packages. The TSSOP has a maximum height of 1.2mm.

TPS73的优势和特性:
  • Available in 2.5-V, 3-V, 3.3-V, 4.85-V, and 5-V Fixed-Output and Adjustable Versions
  • Integrated Precision Supply-Voltage Supervisor Monitoring Regulator Output Voltage
  • Active-Low Reset Signal with 200-ms Pulse Width
  • Very Low Dropout Voltage...Maximum of 35 mV at IO = 100 mA (TPS7350)
  • Low Quiescent Current - Independent of Load...340 uA Typ
  • Extremely Low Sleep-State Current, 0.5 uA Max
  • 2% Tolerance Over Full Range of Load, Line, and Temperature for Fixed-Output Versions§
  • Output Current Range of 0 mA to 500 mA
  • TSSOP Package Option Offers Reduced Component Height For Critical Applications

§ The TPS7325 has a tolerance of ±3% over the full temperature range. The TPS71xx and the TPS72xx are 500-mA and 250-mA output regulators respectively, offering performance similar to that of the TPS73xx but without the delayed-reset function. The TPS72xx devices are further differentiated by availability in 8-pin thin-shrink small-outline packages (TSSOP) for applications requiring minimum package size.

TPS73的参数(英文):
  • Output options
  • Adjustable Output, Fixed Output
  • Iout (Max) (A)
  • 0.5
  • Vin (Max) (V)
  • 10
  • Vin (Min) (V)
  • 2.47
  • Vout (Max) (V)
  • 9.75
  • Vout (Min) (V)
  • 1.2
  • Fixed output options (V)
  • 2.5, 3, 3.3, 4.8, 5
  • Noise (uVrms)
  • 74
  • Iq (Typ) (mA)
  • 0.34
  • Thermal resistance θJA (°C/W)
  • 106
  • Rating
  • Catalog
  • Load capacitance (Min) (μF)
  • 10
  • Regulated outputs (#)
  • 1
  • Features
  • Enable, Power good
  • Accuracy (%)
  • 2
  • PSRR @ 100 KHz (dB)
  • 8
  • Dropout voltage (Vdo) (Typ) (mV)
  • 270
  • Operating temperature range (C)
  • -40 to 125, -40 to 85
TPS73具体的完整产品型号参数及价格(美元):

TPS73的完整型号有:TPS7301QD、TPS7301QDR、TPS7301QP、TPS7301QPW、TPS7325QD、TPS7325QP、TPS7325QPWR、TPS7330QD、TPS7330QDR、TPS7330QP、TPS7333QD、TPS7333QDR、TPS7333QP、TPS7333QPW、TPS7333QPWR、TPS7348QDR、TPS7350QD、TPS7350QDR、TPS7350QP、TPS7350QPWR,以下是这些产品的关键参数及官网采购报价:

TPS7301QD,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TPS7301QD的批量USD价格:1.659(1000+)

TPS7301QDR,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TPS7301QDR的批量USD价格:1.404(1000+)

TPS7301QP,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TPS7301QP的批量USD价格:1.276(1000+)

TPS7301QPW,工作温度:-40 to 125,封装:TSSOP (PW)-20,包装数量MPQ:70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TPS7301QPW的批量USD价格:1.276(1000+)

TPS7325QD,工作温度:-40 to 85,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TPS7325QD的批量USD价格:1.404(1000+)

TPS7325QP,工作温度:-40 to 85,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TPS7325QP的批量USD价格:1.276(1000+)

TPS7325QPWR,工作温度:-40 to 85,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TPS7325QPWR的批量USD价格:1.276(1000+)

TPS7330QD,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TPS7330QD的批量USD价格:1.659(1000+)

TPS7330QDR,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TPS7330QDR的批量USD价格:1.404(1000+)

TPS7330QP,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TPS7330QP的批量USD价格:1.276(1000+)

TPS7333QD,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TPS7333QD的批量USD价格:1.659(1000+)

TPS7333QDR,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TPS7333QDR的批量USD价格:1.404(1000+)

TPS7333QP,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TPS7333QP的批量USD价格:1.276(1000+)

TPS7333QPW,工作温度:-40 to 125,封装:TSSOP (PW)-20,包装数量MPQ:70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TPS7333QPW的批量USD价格:1.519(1000+)

TPS7333QPWR,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TPS7333QPWR的批量USD价格:1.276(1000+)

TPS7348QDR,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TPS7348QDR的批量USD价格:1.404(1000+)

TPS7350QD,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TPS7350QD的批量USD价格:1.659(1000+)

TPS7350QDR,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TPS7350QDR的批量USD价格:1.404(1000+)

TPS7350QP,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TPS7350QP的批量USD价格:1.276(1000+)

TPS7350QPWR,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TPS7350QPWR的批量USD价格:1.276(1000+)

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TPS73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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