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ADP7182ACPZN-1.2R7
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Product Detailed Parameters
- Description：IC REG LINEAR -1.2V 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)：-1.2V
- 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-1.2R7 is a negative low dropout linear regulator from Analog Devices, operating within an input voltage range of −2.7 V to −28 V and delivering up to −200 mA of output current. It features a fixed output voltage of −1.2 V with an initial accuracy of ±1%. The device exhibits low noise performance of 18 μV rms and a power supply rejection ratio of 66 dB at 10 kHz. Quiescent current is typically −650 μA under full load, with a shutdown current of −2 μA. It includes current-limit and thermal overload protection and is housed in a 6-lead LFCSP package.
Feature Summary
- Provides ultra-low noise regulation suitable for sensitive analog circuits
- Supports positive or negative enable logic for flexible system control
- Maintains stability with small ceramic output capacitors
- Integrates comprehensive protection against overcurrent and thermal overload
Applications
- Analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuits
- Precision amplifier biasing
- Medical and healthcare instrumentation
- Industrial and process control systems
Procurement Notes
Verify the specific suffix R7 indicates reel packaging when sourcing. Confirm the ACPZN designation corresponds to the 6-lead LFCSP package variant. Ensure the -1.2 fixed output version matches the required rail voltage. Check RoHS compliance status as per the latest manufacturer documentation before finalizing procurement orders.
Selection Notes
Select this component for applications requiring stable negative voltage rails from high input voltages. The adjustable architecture allows flexibility, but the fixed -1.2V version simplifies design. Ensure input capacitance meets minimum requirements for stability across the full temperature range. Consider thermal dissipation limits based on the voltage differential and load current.
Part Context
This part belongs to the ADP7182 family of high-voltage negative LDO regulators. It shares architectural similarities with other ADI low-noise regulators but is distinct in its wide input voltage capability and specific pinout configurations. The family supports various output voltages and packages, including TSOT and 8-lead LFCSP options.
Replacement Considerations
Direct substitutes include other ADP7182 variants with different fixed output voltages or package types, such as ADP7182ACPZN-1.5R7 or ADP7182ACPZN-3.0R7. Cross-family replacements require verification of pin compatibility and electrical specifications.
