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ACT8780

Features: • Multiple Patents Pending• Six Integrated Regulators− 350mA PWM Step-Down DC/DC− 550mA PWM Step-Down DC/DC− 550mA PWM Step-Down DC/DC− 250mA Low Noise LDO− 250mA Low Noise LDO− 250mA Low Noise LDO• I2CTM Compatible Serial Interface&#...

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SeekIC No. : 004268048 Detail

ACT8780: Features: • Multiple Patents Pending• Six Integrated Regulators− 350mA PWM Step-Down DC/DC− 550mA PWM Step-Down DC/DC− 550mA PWM Step-Down DC/DC− 250mA Low Noise ...

ACT8780 Data Sheet

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Part Number:
ACT8780
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/26

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Product Details

Description



Features:

• Multiple Patents Pending
• Six Integrated Regulators
− 350mA PWM Step-Down DC/DC
− 550mA PWM Step-Down DC/DC
− 550mA PWM Step-Down DC/DC
− 250mA Low Noise LDO
− 250mA Low Noise LDO
− 250mA Low Noise LDO
• I2CTM Compatible Serial Interface
− Programmable Output Voltages
− Configurable Operating Modes
• Minimal External Components
• 4x4mm, Thin-QFN (TQFN44-24) Package
− Only 0.75mm Height
− RoHS Compliant


Application

• Portable Devices and PDAs
• Wireless Handhelds
• DMB Enabled Devices
• GPS Receivers, etc.


Description

The patent-pending ACT8780 is a complete, costeffective, highly-efficient ActivePMUTM power management solution that is ideal for a wide range of portable handheld equipment. This device integrates three step-down DC/DC converters and three low dropout linear regulators (LDOs) into a single, thin, space-saving package. An I2C Serial Interface provides programmability for the DC/DC converters and LDOs.

The ACT8780 also integrates two enable pins: ON1 controls REG1, REG2 and REG3, ON4 controls REG4, REG5 and REG6. REG1, REG2 and REG3 are fixed-frequency, current- mode PWM step-down DC/DC converters that are optimized for high efficiency and are capable of supplying up to 350mA, 550mA and 550mA, respectively.

REG4, REG5 and REG6 are low noise, high PSRR linear regulators that are capable of supplying up to 250mA each. The ACT8780 is available in a tiny 4mm x 4mm 24-pin Thin-QFN package that is just 0.75mm thin.




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