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ADP7182ACPZN-2.5R7
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Product Detailed Parameters
- Description：IC REG LINEAR -2.5V 6-LFCSP-UD
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Negative
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：-28V
- Voltage - Output (Min/Fixed)：-2.5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：200mA
- Current - Quiescent (Iq)：53 µA
- Current - Supply (Max)：850 µA
- PSRR：-
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：6-UDFN Exposed Pad, CSP
- Supplier Device Package：6-LFCSP-UD (2x2)
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Overview
The ADP7182ACPZN-2.5R7 is a negative, fixed-output low dropout linear regulator manufactured by Analog Devices Inc. It provides a regulated -2.5 V output with a maximum load current of -200 mA. The device operates from an input voltage range of -2.7 V to -28 V and features a low dropout voltage of -185 mV at full load. It incorporates internal current-limit and thermal overload protection mechanisms.
Feature Summary
- Low noise performance with 18 μV rms output noise independent of the output voltage setting
- High power supply rejection ratio (PSRR) of 66 dB at 10 kHz for effective ripple suppression
- Positive or negative enable logic allows flexible interfacing with various control signals
- Stable operation guaranteed with small 2.2 μF ceramic output capacitors
Applications
- Regulation for noise-sensitive analog-to-digital converter (ADC) circuits
- Powering precision amplifiers in instrumentation systems
- Digital-to-analog converter (DAC) biasing and regulation
- Medical and healthcare equipment requiring stable negative rails
Procurement Notes
Verify the specific package type and marking code against the manufacturer's latest datasheet before integration. Confirm that the ordering suffix matches the required tape and reel quantity specifications. Ensure compatibility with the intended PCB layout regarding exposed pad connections for thermal management.
Selection Notes
Select this component when a stable negative voltage rail is required for high-performance mixed-signal applications. The wide input voltage range supports systems operating from -27 V down to -1.2 V rails. Consider the low quiescent current and shutdown characteristics for battery-powered or energy-efficient designs.
Part Context
This part belongs to the ADP7182 series of CMOS low dropout linear regulators designed for high input voltage applications. The series offers both adjustable and fixed output voltage options in multiple package styles including LFCSP and TSOT. It is engineered for excellent line and load transient response while maintaining low noise profiles.
Replacement Considerations
Direct replacements within the same family include other fixed voltage variants such as ADP7182ACPZN-3.3R7 or ADP7182ACPZN-5.0R7 if different voltage levels are needed. Verify pinout compatibility and thermal requirements when substituting with other LDO regulators from different manufacturers.
