SGM2021是一款低功耗、低噪声、低压差射频线性稳压器。它能够提供300mA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。固定输出电压范围为0.9V至5.0V。 其他功能包括输出电流限制和热关机保护。 SGM2020适用于需要低噪音和低电源的应用，如MP3播放器、掌上电脑等。 SGM2021采用绿色SOT-23-3封装。其工作温度范围为-40℃至+85℃。
The SGM2021 is a low power, low noise 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 SGM2020 is suitable for application which needs low noise and low power supply, such as MP3 players, palmtop computers, etc.
The SGM2021 is available in a Green SOT-23-3 package. It operates over an operating temperature range of -40℃ to +85℃.
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
Modems
MP3 Players
Cellular Telephones
PCMCIA Cards
Palmtop Computers
Portable Electronics
工作时间 早9:00 - 晚18:00 周六日休息
粤公网安备 44030702001024号
