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Product Detailed Parameters
- Description：IC CHARGE PUMP REG TFT 20LFCSP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Applications：Converter, TFT LCD
- Voltage - Input：2.7V ~ 4.2V
- Number of Outputs：-
- Voltage - Output：-15V, 5V, 15V
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：20-VFQFN Exposed Pad, CSP
- Supplier Device Package：20-LFCSP-VQ (4x3.75)
- Grade：-
- Qualification：-
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Overview
The ADM8839ACP-REEL is a charge pump regulator manufactured by Analog Devices Inc., designed for color TFT LCD applications. It generates the necessary voltage levels for Thin Film Transistor displays. The device operates with a maximum switching frequency of 140 kHz. It is housed in a 20-LFCSP-VQ package measuring 4x3.75 mm. This component functions as a switched capacitor regulator to ensure stable power supply for display panels.
Feature Summary
- Generates specific voltage outputs required for color TFT LCD operation
- Utilizes switched capacitor regulation technology
- Integrated into a compact LFCSP-VQ surface-mount package
Applications
- Color TFT LCD panel power management
- Thin Film Transistor display driver circuits
- Portable electronic device display subsystems
Procurement Notes
Verify the exact suffix and package variant against the official Analog Devices datasheet before procurement. Confirm that the 20-LFCSP-VQ footprint matches the design layout. Ensure compatibility with the target TFT LCD voltage requirements. Check for any recent product change notices affecting availability or specifications.
Selection Notes
Select this component when a dedicated charge pump solution for TFT LCD bias generation is required. Consider the 140 kHz switching frequency for EMI constraints. Evaluate the 20-LFCSP-VQ package size against board space limitations. Verify input voltage ranges match the system power architecture.
Part Context
This part belongs to the Analog Devices ADM series of power management integrated circuits. It is specifically categorized under linear regulators and switched capacitor converters for display applications. The device supports the integration of display drivers in compact consumer electronics.
Replacement Considerations
Check Analog Devices documentation for direct pin-compatible substitutes within the ADM series. Verify functional equivalence for TFT LCD voltage generation. Ensure package dimensions and thermal characteristics match the existing design.
