YB1509 datasheet(1/7 Pages) YOBON

部品番号	YB1509

部品情報	High-Power White LED Driver

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メーカー	YOBON [YOBON TECHNOLOGIES,INC.]

ホームページ	http://www.yobon.com.tw

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YB1509

High-Power White LED Driver

YB1509 MRev.1.1

www.yobon.com.tw

1

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 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

Typical Application Circuit

Features

2V to 16V Input Voltage

40V Maximum Output Voltage

Drive up to 18 White LEDs

Adjustable Inductor Current

1µs Constant Off-time PFM Control

1KHz to 100KHz PWM Dimming Control

Applications

PDA, Palmtops and Smart Phones

LCD Monitor

LCD TV

Portable DVD player

White LED backlighting

GPS navigation system

Handheld Game

YB1509

VIN= 6 to14V

VIN

EN

Bypass

LX

FB

Iset

GND

10uF

16V

22uH

4.7uF

35V

RFB

60OHM

SL12

1K

10nF

6.3V

BZV55-B 36

2KOHM

Figure 1. Typical application circuit

同様の部品番号 - YB1509

メーカー	部品番号	データシート	部品情報
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