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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ADPL40502ACPZ-3.0-R7 데이터시트(PDF) 1 Page - Analog Devices |
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ADPL40502ACPZ-3.0-R7 데이터시트(HTML) 1 Page - Analog Devices |
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1 / 17 page  Data Sheet ADPL40502 Low Noise, 200mA, CMOS Linear Regulator Rev. 0 DOCUMENT FEEDBACK TECHNICAL SUPPORT One Analog Wa y, Wilmington, MA 01887 -2356, U.S.A. Tel: 781.329.47 00 ©2024 Analog Devices, Inc. Al l rights rese rve d. FEATURES Low Noise: 20µVRMS No Noise Bypass Capacitor Required Stable with 1µF Ceramic Input and Output Capacitors Maximum Output Current: 200mA Input Voltage Range: 2.2V to 5.5V Low Quiescent Current IGND = 20µA with IOUT = 0µA IGND = 290μA with IOUT = 200mA Low Shutdown Current: <1µA Low Dropout Voltage: 150mV at IOUT = 200mA Initial Accuracy: ±1% Accuracy Over Line, Load, and Temperature: ±2.5% 7 Fixed Output Voltage Options: 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, and 3.3V PSRR Performance of 70dB at 10kHz Current-Limit and Thermal Overload Protection Logic Controlled Enable Internal Pull-Down Resistor on EN Input 5-Lead, Thin Small Outline Transistor Package 6-Lead, Lead Frame Chip Scale Package APPLICATIONS RF, Voltage-Controlled Oscillator (VCO), and Phase Locked Loop (PLL) Power Supplies Mobile Phones Digital Camera and Audio Devices Portable and Battery-Powered Equipment Post DC-to-DC Regulation Portable Medical Devices GENERAL DESCRIPTION The ADPL40502 is a low noise, low dropout (LDO) linear regulator that operates from 2.2V to 5.5V and provides up to 200mA of output current. The low 150mV dropout voltage at 200mA load improves efficiency and allows operation over a wide input voltage range. Using an innovative circuit topology, the ADPL40502 achieves low noise performance without the necessity of a bypass capacitor, making the device ideal for noise sensitive analog and RF applications. The ADPL40502 also achieves low noise performance without compromising the power supply rejection ratio (PSRR) or transient line and load performance. The low 290μA of operating supply current at 200mA load makes the ADPL40502 suitable for battery-operated portable equipment. The ADPL40502 includes an internal pull-down resistor on the EN input. The ADPL40502 is specifically designed for stable operation with tiny 1µF, ±30% ceramic input and output capacitors to meet the requirements of high performance, space constrained applications. The ADPL40502 is capable of 7 fixed output voltage options, ranging from 1.2V to 3.3V. Short-circuit and thermal overload protection circuits prevent damage in adverse conditions. The ADPL40502 is available in tiny 5-Lead, TSOT and 6-Lead, 2mm x 2mm LFCSP for the smallest footprint solution to meet a variety of portable power application requirements. TYPICAL APPLICATION CIRCUITS Figure 1. TSOT ADPL40502 with Fixed Output Voltage, 1.8V Figure 2. LFCSP ADPL40502 with Fixed Output Voltage, 1.8V 1 2 3 5 4 1µF 1µF VOUT = 1.8V VIN = 2.3V VOUT NC VIN GND EN OFF ON NC = NO CONNECT. DO NOT CONNECT TO THIS PIN. |
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