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SG2001 Datasheet PDF : 11 Pages
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SG2001/A
150mA, Low Power, Low Noise,
Low Dropout,Linear Regulators
GENERAL DESCRIPTION
The SG2001/A series low-power, low-noise, low-dropout,
CMOS linear voltage regulators operate from a 2.5V to 5.5V
input and deliver up to 150mA. They are the perfect choice
for low voltage, low power applications. An ultra low
ground current (100µA at 150mA output) makes these
parts attractive for battery operated power systems. The
SG2001/A series also offer ultra low dropout voltage
(105mV at 150mA output) to prolong battery life in
portable electronics. Systems requiring a quiet voltage
source, such as RF applications, will benefit from the
SG2001/A series’ ultra low output noise (30µVRMS). 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 1.2V
to 5.0V. Other features include a 10nA logic-controlled
shutdown mode, foldback current limit and thermal shut-
down protection.
Devices come in 5-pin SOT23 package.
FEATURES
- Low Output Noise: 30µVRMS typ(10Hz to 100KHz)
- Ultra-Low Dropout Voltage:
105mV at 150mA output
- Low 77µA No-Load Supply Current
- Low 100µA Operating Supply Current
at 150mA Output
- Thermal-Overload Protection
- Output Current Limit
- Preset Output Voltages (±1.6% Accuracy)
- 10nA Logic-Controlled Shutdown
- Available in Multiple Output Voltage Versions
Fixed Outputs of 1.2V, 1.5V, 1.8V, 2.5V, 2.8V,
2.85V, 3.0V, 3.3V, 3.6V, and 5.0V
Adjustable Output from 1.5V to 5.0V
PIN CONFIGURATIONS（TOP VIEW）
APPLICATIONS
Cellular Telephones
Cordless Telephones
PHS Telephones
PCMCIA Cards
Modems
MP3 Player
Hand-Held Instruments
Palmtop Computers
Electronic Planners
Portable/Battery-Powered Equipment
SG2001/A
IN 1
GND 2
EN 3
5 OUT
SOT23-5
4 BP/FB
Shengbang Microelectronics Co, Ltd
Tel: 86/451/84348461
www.sg-micro.com
REV. B
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