Shengbang Microelectronics is a semiconductor company that focuses on the research and development and sales of high-performance, high-quality analog integrated circuits. Shengbang Microelectronics products have excellent performance and quality and can be widely used in many fields such as mobile phones, TVs, DVDs, digital cameras, laptops, consumer electronics, automotive electronics, industrial automation control, medical instruments, LCD displays, etc.
Low Power Low Dropout 250mA RF - Linear Regulators 250mA单通道LDO
Features
Product Name: Low Power Low Dropout 250mA RF - Linear Regulators 250mA Single Channel LDO
Product model: SGM2014
Product Description:
The SGM2014 series low-power, low-noise, low-dropout, CMOS linear voltage regulators operate from a 2.5V to 5.5V input and deliver up to 250mA. They are the perfect choice for low voltage, low power applications. An ultra low ground current (160μA at 250mA output) makes these part attractive for battery operated power systems. The SGM2014 series also offer ultra low dropout voltage (250mV at 250mA output) to prolong battery life in portable electronics. Systems requiring a quiet voltage source, such as RF applications, will benefit from the SGM2014 series’ ultra low output noise (30μVRMS) and high PSRR. An external noise bypass capacitor connected to the device’s BP pin can further reduce the noise level.
The output voltage is preset to voltages in the range of 1.5V to 3.3V. Other features include a 10nA logic-controlled shutdown mode,output current limit and thermal shut-down protection.
Devices come in Green SOT-23-5 package
Product Features:
Low Output Noise: 30μVRMS TYP (10Hz to 100kHz)
Ultra-Low Dropout Voltage: 250mV at 250mA Output
Low 85μA No-Load Supply Current
Low 160μA Operating Supply Current at 250mA Output
High PSRR (73dB at 1kHz)
Quick Auto-Discharge in Shutdown Status
Thermal-Overload Protection
Output Current Limit
10nA Logic-Controlled Shutdown
Available in Multiple Output Voltage Versions
Fixed Outputs of 1.5V, 1.8V, 2.5V, 2.8V, 2.85V, 3.0V, 3.3V
Application areas:
Cellular Telephones
Cordless Telephones
PHS Telephones
PCMCIA Cards
Modems
MP3 Player
Hand-Held Instruments
Palmtop Computers
Electronic Planners
Portable/Battery-Powered Equipment
Product indicators:
Off: Y
Input voltage (V): 2.5 to 5.5
Output voltage (V): 1.5, 1.8, 2.5, 2.8, 2.85, 3.0, 3.3
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