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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 10LFCSP
- 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)：3.25V ~ 20V
- Frequency - Switching：1MHz
- Duty Cycle (Max)：45%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-VFDFN Exposed Pad, CSP
- Supplier Device Package：10-LFCSP-WD (3x3)
- Grade：-
- Qualification：-
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Overview
The ADP1871ACPZ-1.0-R7 is a synchronous buck switching controller from Analog Devices, designed for high-efficiency power conversion in compact form factors. It operates with a fixed switching frequency of 1 MHz, enabling the use of small external components. The device supports output voltages down to 600 mV and can drive loads up to 25 A. It features light load efficiency enhancement modes to maintain performance under varying load conditions. Housed in a 10-pin LFCSP-WD package, it functions within an operating temperature range of -40°C to +125°C.
Feature Summary
- Synchronous buck topology with current-mode control for stable regulation
- Integrated light load efficiency enhancement for improved low-power performance
- Compact 10-pin LFCSP-WD package suitable for space-constrained designs
Applications
- Point-of-load voltage regulation for digital signal processors
- Power supply stages for field-programmable gate arrays
- Embedded system power management units
Procurement Notes
Verify authenticity through authorized Analog Devices distributors or certified partners. Request original manufacturer documentation and traceability records upon order confirmation. Ensure storage conditions comply with moisture sensitivity level requirements specified in the datasheet to prevent package damage during assembly.
Selection Notes
Select this component when a fixed 1 MHz switching frequency is required to minimize passive component size. It is appropriate for applications needing output currents up to 25 A with tight voltage regulation. Consider the thermal characteristics of the LFCSP-WD package relative to the expected ambient temperature and board layout constraints.
Part Context
This part belongs to the ADP1871 series of synchronous buck controllers. The suffix '1.0' indicates the specific 1 MHz switching frequency variant, distinguishing it from other frequency options within the same family. It is manufactured by Analog Devices Inc. as a power management integrated circuit.
Replacement Considerations
Direct substitutes include other ADP1871 variants with different switching frequencies, such as ADP1871ACPZ-0.3-R7 (300 kHz) or ADP1871ACPZ-0.6-R7 (600 kHz), provided the system design accommodates the change in switching frequency and associated passive component values.
