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℃。
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℃.
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
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
