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GM2102

Features: • Drives Six White LED's from 1.8 V• 1.2Mhz Fixed Frequency Switching• Minimum operating input voltage 1.2V• 90% efficiency• Accurately adjustable LED current• Current Regulation even when Vin > Vout• Disconnects LED's in Shutdown mode• ...

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SeekIC No. : 004354060 Detail

GM2102: Features: • Drives Six White LED's from 1.8 V• 1.2Mhz Fixed Frequency Switching• Minimum operating input voltage 1.2V• 90% efficiency• Accurately adjustable LED current...

GM2102 Data Sheet

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Part Number:
GM2102
Supply Ability:
5000

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

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Upload time: 2024/12/21

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Product Details

Description



Features:

• Drives Six White LED's from 1.8 V
• 1.2Mhz Fixed Frequency Switching
• Minimum operating input voltage 1.2V
• 90% efficiency
• Accurately adjustable LED current
• Current Regulation even when Vin > Vout
• Disconnects LED's in Shutdown mode
• Available in SOT23 Package ideal for
  space conscious portable applications


Application

• Cellular Phones
• Digital Cameras
• Handheld Computers
• Portable Audio players
• Pagers
• Other White LED applications


Pinout

Connection Diagram


Specifications

PARAMETER GM2102 UNIT
Vin Voltage 10 V
Shutdown Voltage 10 V
SW Voltage 40 V
LED Voltage 40 V
Junction Temperature 125
Operating Temperature Range -40 to 85
Storage Temperature Range -65 to 150
Lead Temperature 300



Description

The GM2102 is a member of Gamma Microelectronics's family of white LED drivers.

The GM2102 is a fixed frequency step-up DC/DC converter designed to operate as a constant-current source. GM2102 is ideal for driving light emitting diodes (LEDs) whose light intensity is proportional to the current passing through them and not on the voltage across their terminals as it directly regulates the output current. The wide input voltage range allows the GM2102 to work from a variety of inputsources. A single external resistor sets LED current between 5mA and 40mA, which can then be easily adjusted using either a DC voltage or a PWM signal. In Shutdown mode, the LED's are disconnected from the output with the maximum quiescent current of 1A for the entire circuit.




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