EV1528DQ-00A

Features: • 2.7V to 5.5V Input Voltage Range• Drives up to 9 Series White LEDs• Analog and Digital PWM Brightness Control Through BRT• Surface-Mount Components• Fully Assembled and TestedApplication• Handheld Computers• PDAs• PDA Phones• Digita...

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EV1528DQ-00A Picture
SeekIC No. : 004338756 Detail

EV1528DQ-00A: Features: • 2.7V to 5.5V Input Voltage Range• Drives up to 9 Series White LEDs• Analog and Digital PWM Brightness Control Through BRT• Surface-Mount Components• Fully A...

floor Price/Ceiling Price

Part Number:
EV1528DQ-00A
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: 2024/11/23

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Product Details

Description



Features:

• 2.7V to 5.5V Input Voltage Range
• Drives up to 9 Series White LEDs
• Analog and Digital PWM Brightness Control Through BRT
• Surface-Mount Components
• Fully Assembled and Tested



Application

• Handheld Computers
• PDAs
• PDA Phones
• Digital and Video Cameras
• Small LCD Displays



Description

The EV1528DQ-00A evaluation board is designed for driving up to nine (9) series WLEDs from a single cell Lithium Ion battery. The board is set up to obtain 20mA LED current. The current can be adjusted by varying the resistor R1.

The EV1528DQ-00A uses current limited, variable frequency architecture to regulate the LED current while maintaining high efficiency. The IAS pin measures the output voltage and turns off the converter if an over voltage condition is present to prevent damage due to an open circuit condition. The LED current is measured with an external current sense resistor. The low 0.4V full-scale regulation threshold and 0.4Ω power switch minimize power loss to improve efficiency. Either a DC voltage or a PWM signal at the BRT input can control the LED brightness.




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