YB1314

Features: 􀂄` Input Range : 2.7V to 5.5V􀂄` Drives up to 4 LEDs at 30mA Each􀂄` 1MHz Internal Oscillator􀂄` Thermal Protection Shutdown􀂄` Output Short-circuit Current Limit and Overvoltage Protection􀂄` Undervoltage Lockout With Hysteresis􀂄...

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SeekIC No. : 004549743 Detail

YB1314: Features: 􀂄` Input Range : 2.7V to 5.5V􀂄` Drives up to 4 LEDs at 30mA Each􀂄` 1MHz Internal Oscillator􀂄` Thermal Protection Shutdown􀂄` Output Short-circui...

floor Price/Ceiling Price

Part Number:
YB1314
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: 2024/3/28

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Product Details

Description



Features:

􀂄` Input Range : 2.7V to 5.5V
􀂄` Drives up to 4 LEDs at 30mA Each
􀂄` 1MHz Internal Oscillator
􀂄` Thermal Protection Shutdown
􀂄` Output Short-circuit Current Limit and Overvoltage Protection
􀂄` Undervoltage Lockout With Hysteresis
􀂄` Automatic Soft-Start Reduces In-Rush Current
􀂄` Three Charge Pump Mode:1x/1.5x/2x
􀂄` 3mm x 3mm QFN package



Application

􀂄· White LED Backlighting
􀂄· Handheld PCs and PDAs
􀂄· Mobile Phone



Description

The YB1314 charge pump drive up to 4 white LEDs with regulated constant current.

The YB1314 devices can be used to produce current levels up to 30mA for each output from a 2.7V to 5.5V input. The 1MHz fix-frequency switching allows for tiny external components, and the regulation scheme is optimized to ensure low EMI and low input ripple.

Serial data input control is used to enable, disable and set the LED drive current for a 32 level logarithmic scale LED brightness control. Internal softstart circuitry effectively reduces the in-rush current. YB1314 also provides short circuit protection, over-temperature protect- tion and over-voltage protection. In shutdown mode, the shutdown current is less than 1A. YB1314 is available in a QFN-16 3*3 package.




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