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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ADPL42002ARDZ-3.3-R7 데이터시트(PDF) 1 Page - Analog Devices |
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ADPL42002ARDZ-3.3-R7 데이터시트(HTML) 1 Page - Analog Devices |
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1 / 22 page  Data Sheet ADPL42002 20V, 200mA, Low Noise, CMOS LDO Linear Regulator Rev. 1 DOCUMENT FEEDBACK One Analog Wa y, Wilmington, MA 01887 -2356, U.S.A. Tel: 781.329.47 00 TECHNICAL SUPPORT ©2025 Analog Devices, Inc. Al l rights re serve d. FEATURES Low Noise: 20µVRMS Independent of Fixed Output Voltage PSRR of 78dB at 10kHz, VOUT ≤ 5V, VIN = 7V Input Voltage Range: 2.7V to 20V Maximum Output Current: 200mA Initial Accuracy: ±1% Accuracy Over Line, Load, and Temperature ±1.8%, TJ = −40°C to +125°C Low Dropout Voltage: 220mV (typical) at a 200mA Load, VOUT = 5V User Programmable Soft Start Low Quiescent Current, IGND = 80μA (typical) with no Load Low Shutdown Current: 1.8μA at VIN = 5V, 3.0μA at VIN = 20V Stable with a Small 2.2µF Ceramic Output Capacitor Fixed Output Voltage Options: 1.8V, 2.5V, 3.3V, and 5V Adjustable Output from 1.2V to VIN – VDO, Output can be Adjusted Above Initial Set Point Precision Enable 6-Lead LFCSP (2mm x 2mm), 8-Lead SOIC APPLICATIONS Regulation to Noise Sensitive Applications ADC and DAC Circuits, Precision Amplifiers, Power for VCO VTUNE Control Communications and Infrastructure Medical and Healthcare Industrial and Instrumentation GENERAL DESCRIPTION The ADPL42002 is a CMOS, low dropout (LDO) linear regulator that operates from 2.7V to 20V and provides up to 200mA of output current. This high input voltage LDO is ideal for the regulation of high-performance analog and mixed-signal circuits operating from 19V down to 1.2V rails. Using an advanced proprietary architecture, the device provides high power supply rejection, low noise, and achieves excellent line and load transient response with a small 2.2µF ceramic output capacitor. The ADPL42002 regulator output noise is 20μVRMS independent of the output voltage for the fixed options of 5V or less. The ADPL42002 is available in four fixed output voltage options. The following voltages are available from stock: 1.2V (adjustable), 1.8V, 2.5V, 3.3V, and 5.0V. Each fixed output voltage can be adjusted above the initial set point with an external feedback divider. This allows the ADPL42002 to provide an output voltage from 1.2V to VIN − VDO with high PSRR and low noise. User programmable soft start with an external capacitor is available. The ADPL42002 is available in a 6-lead, 2mm x 2mm LFCSP, making it not only a very compact solution, but it also provides excellent thermal performance for applications requiring up to 200mA of output current in a small, low-profile footprint. The ADPL42002 is also available in an 8-lead SOIC. TYPICAL APPLICATION CIRCUITS Figure 1. ADPL42002 with Fixed Output Voltage, 5V Figure 2. ADPL42002 with 5V Output Adjusted to 6V GND EN SS VIN VOUT ADPL42002 ON OFF VIN = 6V VOUT = 5V SENSE/ADJ CIN 2.2µF COUT 2.2µF CSS 1nF GND EN SS VIN VOUT ADPL42002 ON OFF VIN = 7V VOUT = 6V SENSE/ADJ CIN 2.2µF COUT 2.2µF CSS 1nF 2kΩ 10kΩ |
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