The AP2127N-2.8TRG1 Series are positive voltage regulator ICs fabricated by CMOS process. The AP2127N-2.8TRG1 Series have features of low dropout voltage, low noise, high output voltage accuracy, and low current consumption which make them ideal for use in various battery-powered devices. AP2127N-2.8TRG1 has 1.0V, 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.2V, 4.75V, 5.2V fixed voltage versions and 0.8V to 5.5V adjustable voltage versions.
Feature
Wide Operating Voltage: 2.5V to 6V
High Output Voltage Accuracy: ±2%
High Ripple Rejection: 68dB@ f = 1kHz, 54dB@ f = 10kHz
Low Standby Current: 0.1μA
Low Dropout Voltage: 170mV@300mA for VOUT = 3.3V, 140mV@300mA for VOUT = 5.2V
Low Quiescent Current: 60μA Typical
Low Output Noise: 60μVrms@VOUT = 0.8V
Short Current Limit: 50mA · Over Temperature Protection
Compatible with Low ESR Ceramic Capacitor: 1μF for CIN and COUT
Excellent Line/Load Regulation
Soft Start Time: 50μs
Auto Discharge Resistance: RDS(ON) = 60Ω
Applications
Datacom
Notebook Computers
Mother Board
The AP2127N-2.8TRG1 is a Linear Voltage Regulator (LDO) designed by Diodes Incorporated. It features an output voltage of 2.8 V, an output current of 300 mA, and a high PSRR (Power Supply Rejection Ratio) of 68 dB at 100 Hz. With a wide input voltage range from 2.5 V to 6 V, it is suitable for various applications. Housed in packages like TO-236-3, SC-59, and SOT-23-3, it offers features such as low quiescent current (60 μA) and good regulation performance. It is RoHS compliant, making it environmentally friendly.
Benefits
Output voltage of 2.8 V with 2% tolerance, suitable for a variety of circuits
300 mA output current capacity to power medium-load devices
High PSRR of 68 dB at 100 Hz, effectively reducing power supply noise
Low quiescent current of 60 μA, which helps in minimizing power consumption
Wide input voltage range from 2.5 V to 6 V, providing flexibility in power source selection
Good line regulation (0.5 mV) and load regulation (4 mV) for stable output
RoHS compliant, meeting environmental standards
Pinout
The AP2127N-2.8TRG1 in its SOT-23-3 package has specific pin configurations for input, output, and ground connections which are crucial for proper voltage regulation operation.
VIN: Input voltage pin, accepts voltage in the range of 2.5 V to 6 V.
VOUT: Output voltage pin, provides a regulated 2.8 V output.
GND: Common ground pin for the regulator circuit.
Application Examples
Portable electronic devices such as smartphones and tablets
Battery-powered equipment where low power consumption is crucial
Circuits requiring a stable 2.8 V power supply for sensitive components
Compliance and Industry Certifications
The AP2127N-2.8TRG1 is RoHS compliant. It is moisture sensitive. For other compliance details, it is advisable to consult the manufacturer.
Catalogue
FPGA / CPLD
Memory
MOS 
MCU 
DSP
OCEP
Secondary 
Other 
