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ADP7159ACPZ-01-R2
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Product Detailed Parameters
- Description：IC REG LINEAR POS ADJ 2A 10LFCSP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.2V
- Voltage - Output (Max)：1.8V
- Voltage Dropout (Max)：0.28V @ 2A
- Current - Output：2A
- Current - Quiescent (Iq)：8 mA
- Current - Supply (Max)：14 mA
- PSRR：55dB ~ 40dB (1kHz ~ 1MHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature, Under Voltage Lockout (UVLO)
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：10-VFDFN Exposed Pad, CSP
- Supplier Device Package：10-LFCSP-WD (3x3)
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Overview
The ADP7159ACPZ-01-R2 is a low-dropout linear regulator from the Analog Devices ADP7159 series, housed in an LFCSP-10 surface-mount package. It supports an input voltage range of 2.3 V to 5.5 V and delivers a maximum output current of 2 A. The device features an adjustable output voltage configuration with a specified range of 1.2 V to 1.8 V. Key electrical parameters include a typical power supply rejection ratio (PSRR) of 40 dB, a dropout voltage of 200 mV, and a quiescent current of 9 mA. Line regulation is rated at 0.1 %/V, while load regulation is 0.3 %/A. The component operates within a temperature range of -40 °C to +125 °C.
Feature Summary
- Ultra-low noise performance suitable for sensitive RF and analog circuits
- High power supply rejection ratio for effective ripple suppression
- Adjustable output voltage capability within a defined low-voltage window
Applications
- RF front-end modules requiring clean power supplies
- Low-noise sensor biasing applications
- Portable electronic devices utilizing 3.3 V or 5 V input rails
Procurement Notes
Verify the specific suffix code against official manufacturer documentation to confirm exact output voltage ranges and electrical tolerances. Ensure compatibility with the LFCSP-10 footprint and thermal requirements during integration. Confirm availability status through authorized distribution channels as supply conditions may vary.
Selection Notes
Select this component when ultra-low noise and high PSRR are critical for the application. The adjustable output allows flexibility within the 1.2 V to 1.8 V range. Consider the 2 A current capacity and 200 mV dropout voltage relative to the minimum input voltage and load requirements. Evaluate thermal dissipation needs given the 9 mA quiescent current and operating temperature range.
Part Context
This part belongs to the ADP7159 family of ultra-low noise LDOs designed for demanding analog and RF applications. The series offers high performance with minimal external component requirements. The ADP7159ACPZ-01 variant specifically targets lower output voltage adjustments compared to other members of the family.
Replacement Considerations
Consult official substitution lists for verified equivalents. Cross-reference pinouts and electrical specifications carefully when considering alternative regulators.
