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YB1509

Features: `2V to 16V Input Voltage`40V Maximum Output Voltage`Drive up to 18 White LEDs`Adjustable Inductor Current`1s Constant Off-time PFM Control`1KHz to 100KHz PWM Dimming ControlApplication·PDA, Palmtops and Smart Phones·LCD Monitor·LCD TV·Portable DVD player·White LED backlighting·GPS naviga...

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SeekIC No. : 004549746 Detail

YB1509: Features: `2V to 16V Input Voltage`40V Maximum Output Voltage`Drive up to 18 White LEDs`Adjustable Inductor Current`1s Constant Off-time PFM Control`1KHz to 100KHz PWM Dimming ControlApplication·PDA...

YB1509 Data Sheet

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Part Number:
YB1509
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: 2024/11/11

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Product Details

Description



Features:

`2V to 16V Input Voltage
`40V Maximum Output Voltage
`Drive up to 18 White LEDs
`Adjustable Inductor Current
`1s Constant Off-time PFM Control
`1KHz to 100KHz PWM Dimming Control


Application

·PDA, Palmtops and Smart Phones
·LCD Monitor
·LCD TV
·Portable DVD player
·White LED backlighting
·GPS navigation system
·Handheld Game


Pinout

Connection Diagram


Specifications

Supply Voltage......................................... -0.3V to 16V
LX Switch Voltage.................................... -0.3V to 40V
Junction Temperature Range........................... +150
Storage Temperature Range ............. -65 to +150
Lead Temperature............................................+250


Description

The YB1509 is a high-power boost converter. An adjustable current limit, wide range of input voltage, and up to 40V of switch voltage are designed to drive white LEDs back-lighting for large LCD panel. It can drive up to 10 LEDs in series or 18 LEDs in parallel/series configuration.

The wide application VIN range makes YB1509 suitable for many types of battery applications such as Li-ions, Alkaline, or Sealed Lead Acid batteries. The adjustable inductor current optimizes the performance for different output drive capability by an external resistor.

The LED current of YB1509 is set by a resistor connected to FB pin. The On/Of duty with clock frequency from 1K to 100KHz at EN pin can control the LED brightness




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