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SGM2021
Low Power, Low Dropout, Linear Regulator
Low Power, Low Dropout, Linear Regulator
GENERAL DESCRIPTION

The SGM2021 is a low power and low dropout voltage RF linear regulator. It is capable of supplying 300mA output current with typical dropout voltage of only 270mV. The operating input voltage range is from 2.5V to 5.5V. The fixed output voltage range is from 0.9V to 5.0V.

Other features include output current limit and thermal shutdown protection.

The SGM2021 is available in a Green SOT-23-3 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: 0.9V, 1.2V, 1.3V, 1.5V, 1.8V, 2.1V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 3.6V, 4.2V and 5.0V

  • Output Voltage Accuracy: ±2.5% at +25

  • Low Output Noise: 140μVRMS (TYP)

  • Low Dropout Voltage: 270mV (TYP) at 300mA

  • High PSRR: 69dB (TYP) at 100Hz

  • Low No Load Supply Current: 120μA (TYP)

  • Thermal Shutdown Protection

  • Output Current Limit

  • -40 to +85 Operating Temperature Range

  • Available in a Green SOT-23-3 Package

APPLICATIONS

Modems

MP3 Players

Cellular Telephones

PCMCIA Cards

Palmtop Computers

Portable Electronics

ORDERING INFORMATION
Part Number Status Package Pins Pb-Free Temp Range
SGM2021-0.9YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-1.2YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-1.3YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-1.5YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-1.8YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-2.1YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-2.5YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-2.6YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-2.7YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-2.8YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-2.85YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-2.9YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-3.0YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-3.1YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-3.2YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-3.3YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-3.6YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-4.2YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
SGM2021-5.0YN3G/TR Production SOT-23-3 3 Y -40℃ to +85℃ Samples
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