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ADP7142WAUJZ-5.0-R7
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Product Detailed Parameters
- Description：IC REG LINEAR 5V 200MA TSOT-23-5
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.42V @ 200mA
- Current - Output：200mA
- Current - Quiescent (Iq)：140 µA
- Current - Supply (Max)：320 µA
- PSRR：88dB ~ 50dB (10kHz ~ 1MHz)
- Control Features：Enable, Soft Start
- Protection Features：Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Supplier Device Package：TSOT-23-5
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Overview
The ADP7142WAUJZ-5.0-R7 is a CMOS low dropout linear regulator manufactured by Analog Devices Inc. It operates from an input voltage range of 2.7 V to 40 V and provides up to 200 mA of output current. The device features a fixed 5.0 V output with an initial accuracy of ±0.8%. It delivers ultralow noise of 11 µV rms and high power supply rejection ratios of 88 dB at 10 kHz, 68 dB at 100 kHz, and 50 dB at 1 MHz. The regulator maintains stability with small 2.2 µF ceramic capacitors and includes precision enable functionality.
Feature Summary
- Provides ultralow output noise of 11 µV rms independent of the fixed output voltage for options of 5 V or less.
- Features high power supply rejection ratios reaching 88 dB at 10 kHz to effectively suppress input ripple.
- Includes programmable precision enable thresholds with hysteresis to prevent on/off oscillations caused by noise.
- Capable of operating stably with small 2.2 µF ceramic output capacitors while maintaining excellent transient response.
Applications
- Regulation for noise-sensitive applications
- ADC and DAC circuits
- Precision amplifiers
- Power for VCO VTUNE control
- Communications and infrastructure systems
Procurement Notes
Verify the specific package type and suffix against official documentation before procurement. Confirm that the ordering suffix corresponds exactly to the required tape and reel configuration. Ensure compatibility with the intended PCB layout regarding thermal dissipation and minimum capacitance requirements. Cross-reference the manufacturer's latest datasheet revision to validate all electrical parameters and absolute maximum ratings prior to finalizing orders.
Selection Notes
Select this component when a high input voltage capability up to 40 V is required alongside low noise performance. It is suitable for portable equipment due to its low quiescent current consumption. Consider the TSOT-5 package for compact designs requiring surface-mount installation. Evaluate thermal resistance characteristics if the application involves significant power dissipation within the specified temperature range.
Part Context
This part belongs to the ADP7142 family of low dropout regulators designed for high-performance analog and mixed-signal circuits. The series offers various fixed output voltages and adjustable configurations. It supports automotive qualification standards and is available in multiple package options including LFCSP, SOIC, and TSOT to accommodate different footprint and thermal management needs.
Replacement Considerations
Consult the manufacturer's ordering guide for direct equivalents. Verify pinout compatibility and electrical specifications before substituting with other LDO regulators. Ensure any alternative component meets the same noise and PSRR requirements for sensitive signal paths.
