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ADM8828ARTZ-REEL7
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Product Detailed Parameters
- Description：IC REG CHARGE PUMP 25MA SOT23-6
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Ratiometric
- Output Configuration：Negative
- Topology：Charge Pump
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：1.5V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：#NAME?
- Voltage - Output (Max)：-
- Current - Output：25mA
- Frequency - Switching：120kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Grade：-
- Qualification：-
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Overview
The ADM8828ARTZ-REEL7 is a charge pump inverter integrated circuit manufactured by Analog Devices Inc. It operates within an input voltage range of 1.5 V to 5.5 V and generates a negative output voltage between -1.5 V and -5.5 V. The device provides an output current capability of 25 mA with a switching frequency of 120 kHz. It features a shutdown function and draws a static current of 600 uA, with a maximum operating supply current of 1 mA. The component is housed in a SOT-23-6 package and supports surface mount installation. It functions reliably across a temperature range from -40°C to +85°C.
Feature Summary
- Integrates a charge pump topology for efficient voltage inversion without requiring external inductors.
- Includes a dedicated shutdown pin to minimize power consumption during inactive periods.
- Operates at a fixed switching frequency to simplify external component selection.
Applications
- Providing negative bias voltages for operational amplifiers in single-supply systems.
- Generating gate drive voltages for N-channel MOSFETs in low-power applications.
- Powering RS-232 transceivers or similar interface circuits requiring dual polarity supplies.
Procurement Notes
Verify the specific suffix REEL7 against official Analog Devices documentation to confirm packaging details and reel specifications. Ensure compatibility with SOT-23-6 footprint requirements during PCB layout. Cross-reference the part number with current manufacturer lifecycle status to confirm availability and obsolescence warnings before finalizing procurement plans.
Selection Notes
Select this component when a compact solution is needed for generating moderate negative currents from a single positive rail. Consider the 25 mA output limit and 120 kHz switching frequency against load requirements. Evaluate the SOT-23-6 package constraints for thermal management and board space compared to larger packages offering higher current capabilities.
Part Context
This part belongs to the ADM8828 series of switched-capacitor voltage converters. It is categorized under Power Management ICs (PMIC) specifically as a charge pump inverter. The product line focuses on providing simple, cost-effective voltage inversion solutions for portable and battery-operated electronic devices where inductor-based converters are impractical due to size constraints.
Replacement Considerations
Consult Analog Devices official substitution guides for verified alternatives. Check for functional equivalents with compatible input/output ranges and package footprints. Verify that any substitute maintains the required shutdown functionality and electrical characteristics for the specific application environment.
