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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 16QSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：2.95V ~ 20V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：84%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Power Good, Soft Start, Tracking
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-QSOP
- Grade：-
- Qualification：-
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Overview
The ADP1875ARQZ-0.3-R7 is a single-phase step-down switching regulator controller from Analog Devices, designed for high-efficiency applications with integrated power MOSFET drivers. It operates in current mode with a fixed switching frequency of 300 kHz and supports an input voltage range of 2.95 V to 20 V. The device provides one output channel with a minimum adjustable output voltage of 600 mV. It functions within a junction temperature range of -40°C to +125°C and is housed in a 16-pin QSOP package.
Feature Summary
- Integrated synchronous buck topology with built-in power MOSFET drivers
- Current-mode control architecture for stable regulation
- Light load efficiency enhancement capabilities
Applications
- High-density point-of-load DC-DC conversion
- Industrial equipment power management
- Telecommunications infrastructure supplies
Procurement Notes
Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix matches the required electrical specifications. Request original manufacturer documentation to validate part integrity and traceability before integration into production systems.
Selection Notes
Select this controller for designs requiring a fixed 300 kHz switching frequency and wide input voltage compatibility. Ensure the QSOP-16 package fits the PCB layout constraints. Validate that the 600 mV minimum output voltage aligns with downstream load requirements.
Part Context
This component belongs to the ADP1875 series of highly integrated single-phase step-down controllers. It shares functional similarities with other variants in the family but differs in switching frequency and package configuration. The series targets efficient power management solutions for demanding electronic environments.
Replacement Considerations
Direct substitutes include the ADP1875ARQZ-0.6-R7 and ADP1875ARQZ-1.0-R7, which offer different switching frequencies. Verify pinout compatibility and thermal performance when transitioning between these variants.
