AP2127 Series

300MA High Speed, Extremely Low Noise CMOS LDO Regulator

Catalog

300MA High Speed, Extremely Low Noise CMOS LDO Regulator

Part	Operating Temperature [Max]	Operating Temperature [Min]	Supplier Device Package	Mounting Type	Package / Case	Output Type	PSRR [Max]	PSRR [Min]	Output Configuration	Protection Features	Voltage Dropout (Max) [Max]	Current - Output	Number of Regulators	Current - Quiescent (Iq)	Voltage - Input (Max) [Max]	Voltage - Output (Min/Fixed)	Voltage - Output (Max) [Max]	Output Type
Diodes Inc AP2127K-3.0TRG1	85 °C	-40 °C	SOT-23-5	Surface Mount	SC-74A SOT-753	1.81 mOhm	68 dB	54 dB	Positive	Over Current Over Temperature	0.3 V	300 mA	1	90 çA	6 V
Diodes Inc AP2127N-3.3TRG1	85 °C	-40 °C	SOT-23-3	Surface Mount	SC-59 SOT-23-3 TO-236-3	1.81 mOhm	68 dB	54 dB	Positive	Over Current Over Temperature	0.3 V	300 mA	1	90 çA	6 V	3.3 V
Diodes Inc AP2127K-ADJTRG1	85 °C	-40 °C	SOT-23-5	Surface Mount	SC-74A SOT-753		68 dB	45 dB	Positive	Over Current Over Temperature	0.3 V	300 mA	1	90 çA	6 V	0.8 V	5.5 V	Adjustable

Catalog

300MA High Speed, Extremely Low Noise CMOS LDO Regulator

Key Features

• 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

Description

The AP2127 Series are positive voltage regulator ICs fabricated by CMOS process. The AP2127 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. AP2127 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.