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线性和低压降 (LDO) 稳压器

TPS756

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具有使能功能的 5A、超低压降稳压器

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open-in-new 比较替代产品
功能与比较器件相同，但引脚排列有所不同
TPS7A54 正在供货 4A、低输入电压 (1.1V)、低噪声、高精度、超低压降 (LDO) 稳压器 Lower noise and can be paralleled in order to achieve 5-A
TPS7A57 正在供货 5A、低输入电压、低噪声、高精度、低压降 (LDO) 稳压器 Alternative product offering much lower noise performance in smaller enhanced QFN package

TPS756

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产品详情

Output options Adjustable Output, Fixed Output Iout (max) (A) 5 Vin (max) (V) 5.5 Vin (min) (V) 2.8 Vout (max) (V) 5 Vout (min) (V) 1.22 Fixed output options (V) 1.5, 1.8, 2.5, 3.3, 5 Rating Catalog Noise (µVrms) 35 PSRR at 100 KHz (dB) 12 Iq (typ) (mA) 0.12 Thermal resistance θJA (°C/W) 39 Load capacitance (min) (µF) 47 Regulated outputs (#) 1 Features Enable Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 250 Operating temperature range (°C) -40 to 85
Output options Adjustable Output, Fixed Output Iout (max) (A) 5 Vin (max) (V) 5.5 Vin (min) (V) 2.8 Vout (max) (V) 5 Vout (min) (V) 1.22 Fixed output options (V) 1.5, 1.8, 2.5, 3.3, 5 Rating Catalog Noise (µVrms) 35 PSRR at 100 KHz (dB) 12 Iq (typ) (mA) 0.12 Thermal resistance θJA (°C/W) 39 Load capacitance (min) (µF) 47 Regulated outputs (#) 1 Features Enable Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 250 Operating temperature range (°C) -40 to 85
TO-220 (KC) 5 45.212 mm² 10.16 x 4.45 TO-263 (KTT) 5 154.8384 mm² 10.16 x 15.24
  • 5-A Low-Dropout Voltage Regulator
  • Available in 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed-Output and Adjustable Versions
  • Dropout Voltage Typically 250 mV at 5 A (TPS75633)
  • Low 125 µA Typical Quiescent Current
  • Fast Transient Response
  • 3% Tolerance Over Specified Conditions for Fixed-Output Versions
  • Available in 5-Pin TO–220 and TO–263 Surface-Mount Packages
  • Thermal Shutdown Protection
  • 5-A Low-Dropout Voltage Regulator
  • Available in 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed-Output and Adjustable Versions
  • Dropout Voltage Typically 250 mV at 5 A (TPS75633)
  • Low 125 µA Typical Quiescent Current
  • Fast Transient Response
  • 3% Tolerance Over Specified Conditions for Fixed-Output Versions
  • Available in 5-Pin TO–220 and TO–263 Surface-Mount Packages
  • Thermal Shutdown Protection

The TPS756xx family of 5-A low dropout (LDO) regulators contains four fixed voltage option regulators and an adjustable voltage option regulator. These devices are capable of supplying 5 A of output current with a dropout of 250 mV (TPS75633). Therefore, the device is capable of performing a 3.3-V to 2.5-V conversion.

Quiescent current is 125 µA at full load and drops down to less than 1 µA when the device is disabled. The TPS756xx is designed to have fast transient response for large load current changes.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 250 mV at an output current of 5 A for the TPS75633) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 125 µA over the full range of output current). These two key specifications yield a significant improvement in operating life for battery-powered systems.

The device is enabled when EN (enable) is connected to a high voltage level (> 2 V). Applying a low voltage level (< 0.7 V) to EN shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C.

The TPS756xx is offered in 1.5-V, 1.8-V, 2.5-V, and 3.3-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.22 V to 5 V). Output voltage tolerance is specified as a maximum of 3% over line, load, and temperature ranges. The TPS756xx family is available in a 5-pin TO–220 (KC) and TO–263 (KTT) packages.

The TPS756xx family of 5-A low dropout (LDO) regulators contains four fixed voltage option regulators and an adjustable voltage option regulator. These devices are capable of supplying 5 A of output current with a dropout of 250 mV (TPS75633). Therefore, the device is capable of performing a 3.3-V to 2.5-V conversion.

Quiescent current is 125 µA at full load and drops down to less than 1 µA when the device is disabled. The TPS756xx is designed to have fast transient response for large load current changes.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 250 mV at an output current of 5 A for the TPS75633) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 125 µA over the full range of output current). These two key specifications yield a significant improvement in operating life for battery-powered systems.

The device is enabled when EN (enable) is connected to a high voltage level (> 2 V). Applying a low voltage level (< 0.7 V) to EN shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C.

The TPS756xx is offered in 1.5-V, 1.8-V, 2.5-V, and 3.3-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.22 V to 5 V). Output voltage tolerance is specified as a maximum of 3% over line, load, and temperature ranges. The TPS756xx family is available in a 5-pin TO–220 (KC) and TO–263 (KTT) packages.
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类型 标题 下载最新的英语版本 日期
* 数据表 TPS756xx: Fast-Transient Response 5-A Low Dropout Voltage Regulators 数据表 (Rev. C) 2004年 3月 1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 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
用户指南 DEM-TO263LDO Demonstration Fixture 2003年 10月 15日

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原理图

PIP Power Reference Design for the DM6467 (Rev. A)

SLVR318A.PDF (94 KB)
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封装 引脚 CAD 符号、封装和 3D 模型
TO-220 (KC) 5 Ultra Librarian
TO-263 (KTT) 5 Ultra Librarian
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