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高精度低压差线性稳压器SGM2028系列

  • 产品名称:高精度低压差线性稳压器SGM2028系列
  • 产品型号:SGM2028-2.8YN5G/TR
  • 产品厂商:圣邦微
  • 产品文档: 圣邦微SGM2028规格书
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简单先容
SGM2028是一款低压差、高精度、低噪声的射频线性稳压器。它能够提供500mA的输出电流,典型的压降电压只有270mV。工作输入电压范围为2.5V至5.5V。 其他功能包括逻辑控制关机模式、短路电流限制和热关机保护。 SGM2028适用于需要低噪声和快速瞬态响应电源的应用,如MP3播放器、掌上电脑等。提供固定或可调输出电压版本。 SGM2028采用绿色SOT-23-5封装。其工作温度范围为-40℃至+85℃。

高精度低压差线性稳压器SGM2028系列

的详细先容
SGM2028
500mA, Ultra Low Dropout, Low Power, RF Linear Regulator
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500mA, Ultra Low Dropout, Low Power, RF Linear Regulator
产品信息样片
GENERAL DESCRIPTION

The SGM2028 is a low dropout voltage, high accuracy and low noise RF linear regulator. It is capable of supplying 500mA output current with typical dropout voltage of only 270mV. The operating input voltage range is from 2.5V to 5.5V.

Other features include logic-controlled shutdown mode, short-circuit current limit and thermal shutdown protection.

The SGM2028 is suitable for application which needs low noise and fast transient response power supply, such as MP3 players, palmtop computers, etc. Fixed or adjustable output voltage versions are provided.

The SGM2028 is available in a Green SOT-23-5 package. It operates over an operating temperature range of -40 to +85.

PIN CONFIGURATIONS

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FEATURES
  • Operating Input Voltage Range: 2.5V to 5.5V

  • Fixed Output Voltages: 2.8V, 3.0V, 3.3V

  • Adjustable Output Voltage Range: 1.2V to 5.0V

  • 500mA Guaranteed Output Current

  • Output Voltage Accuracy: ±3% at +25℃

  • High PSRR: 73dB (TYP) at 1kHz

  • Ultra-Low Dropout Voltage: 270mV (TYP) at 500mA

  • Low Output Noise: 30μVRMS (TYP)

  • Thermal Shutdown Protection

  • Output Current Limit

  • SGM2028-2.8, SGM2028-3.0 and SGM2028-ADJ: 110kΩ Pull Down Resistor at EN Pin

  • SGM2028-3.3: No Pull Down Resistor at EN Pin

  • -40 to +85 Operating Temperature Range

  • Available in a Green SOT-23-5 Package

APPLICATIONS

Modems

MP3 Players

Cellular Telephones

PCMCIA Cards

Palmtop Computers

Portable Electronics

ORDERING INFORMATION
Part Number Status Package Pins Pb-Free Temp Range
SGM2028-2.8YN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples
SGM2028-3.0YN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples
SGM2028-3.3YN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples
SGM2028-ADJYN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples

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