TPS790

正在供货

具有低噪声特性的 50mA、10V、低 IQ、低压降稳压器

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功能与比较器件相同但引脚有所不同
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TPS7A24 正在供货 具有使能功能的 200mA、18V、超低 IQ、低压降 (LDO) 稳压器 Alternative product offering ultra-low IQ and improved accuracy in a SOT-23-5 package

产品详情

Output options Fixed Output Iout (max) (A) 0.05 Vin (max) (V) 10 Vin (min) (V) 2.7 Vout (max) (V) 3 Vout (min) (V) 1.5 Fixed output options (V) 1.5, 1.8, 2.5, 2.8, 3 Noise (µVrms) 56 Iq (typ) (mA) 0.017 Thermal resistance θJA (°C/W) 180 Rating Catalog Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Features Enable, Soft start Accuracy (%) 3 PSRR at 100 KHz (dB) 35 Dropout voltage (Vdo) (typ) (mV) 57 Operating temperature range (°C) -40 to 125
Output options Fixed Output Iout (max) (A) 0.05 Vin (max) (V) 10 Vin (min) (V) 2.7 Vout (max) (V) 3 Vout (min) (V) 1.5 Fixed output options (V) 1.5, 1.8, 2.5, 2.8, 3 Noise (µVrms) 56 Iq (typ) (mA) 0.017 Thermal resistance θJA (°C/W) 180 Rating Catalog Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Features Enable, Soft start Accuracy (%) 3 PSRR at 100 KHz (dB) 35 Dropout voltage (Vdo) (typ) (mV) 57 Operating temperature range (°C) -40 to 125
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • 50-mA Low-Dropout Regulator
  • Available in 1.5-V, 1.8-V, 2.5-V, 2.8-V, 3.0-V
  • Output Noise Typically 56 uVRMS (TPS79030)
  • Only 17 uA Quiescent Current at 50 mA
  • 1 uA Quiescent Current in Standby Mode
  • Dropout Voltage Typically 57 mV at 50 mA (TPS79030)
  • Over Current Limitation
  • \x9640°C to 125°C Operating Junction Temperature Range
  • 5-Pin SOT-23 (DBV) Package
  • 50-mA Low-Dropout Regulator
  • Available in 1.5-V, 1.8-V, 2.5-V, 2.8-V, 3.0-V
  • Output Noise Typically 56 uVRMS (TPS79030)
  • Only 17 uA Quiescent Current at 50 mA
  • 1 uA Quiescent Current in Standby Mode
  • Dropout Voltage Typically 57 mV at 50 mA (TPS79030)
  • Over Current Limitation
  • \x9640°C to 125°C Operating Junction Temperature Range
  • 5-Pin SOT-23 (DBV) Package

The TPS790xx family of low-dropout (LDO) voltage regulators offers the benefits of low-dropout voltage, ultralow-power operation, low-output noise, and miniaturized packaging. These regulators feature low-dropout voltages and ultralow quiescent current compared to conventional LDO regulators. An internal resistor, in conjunction with an external bypass capacitor, creates a low-pass filter to reduce the noise. The TPS79030 exhibits only 56 uVRMS of output voltage noise using 0.01 uF bypass and 10 uF output capacitors. Offered in a 5-terminal small outline integrated-circuit SOT-23 package, the TPS790xx series devices are ideal for micropower operations, low output noise, and where board space is limited.

The usual PNP pass transistor has been replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is very low, typically 57 mV at 50 mA of load current (TPS79030), and is directly proportional to the load current. The quiescent current is ultralow (17 uA typically) and is stable over the entire range of output load current (0 mA to 50 mA). Intended for use in portable systems such as laptops and cellular phones, the ultralow-dropout voltage feature and ultralow-power operation result in a significant increase in system battery operating life.

The TPS790xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 uA typical at TJ = 25°C. The TPS790xx is offered in 1.5 V, 1.8 V, 2.5 V, 2.8 V, 3.0 V.

The TPS790xx family of low-dropout (LDO) voltage regulators offers the benefits of low-dropout voltage, ultralow-power operation, low-output noise, and miniaturized packaging. These regulators feature low-dropout voltages and ultralow quiescent current compared to conventional LDO regulators. An internal resistor, in conjunction with an external bypass capacitor, creates a low-pass filter to reduce the noise. The TPS79030 exhibits only 56 uVRMS of output voltage noise using 0.01 uF bypass and 10 uF output capacitors. Offered in a 5-terminal small outline integrated-circuit SOT-23 package, the TPS790xx series devices are ideal for micropower operations, low output noise, and where board space is limited.

The usual PNP pass transistor has been replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is very low, typically 57 mV at 50 mA of load current (TPS79030), and is directly proportional to the load current. The quiescent current is ultralow (17 uA typically) and is stable over the entire range of output load current (0 mA to 50 mA). Intended for use in portable systems such as laptops and cellular phones, the ultralow-dropout voltage feature and ultralow-power operation result in a significant increase in system battery operating life.

The TPS790xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 uA typical at TJ = 25°C. The TPS790xx is offered in 1.5 V, 1.8 V, 2.5 V, 2.8 V, 3.0 V.

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类型 标题 下载最新的英语版本 日期
* 数据表 Ultralow-Power, Low-Noise 50-mA Low Dropout Linear Regulators 数据表 (Rev. B) 2001年 5月 4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-SOT23LDO Demonstration Fixture User's Guide (Rev. A) 2005年 6月 2日

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DEM-SOT23LDO — 采用 5 条或 6 条引线 SOT23 (DBV) 封装与大多数正输出 LDO 稳压器兼容的 DEM-SOT23LDO

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