LED Driver. YB1519 Datasheet

YB1519 Datasheet PDF, Equivalent


Part Number

YB1519

Description

High-Power White LED Driver

Manufacture

YOBON TECHNOLOGIES

Total Page 7 Pages
PDF Download
Download YB1519 Datasheet PDF


YB1519 Datasheet
www.DataSheet4U.com
YB1519
High-Power White LED Driver
Description
The YB1519 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
YB1519 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
„ High Power WLED Backlight Solution
„ LCD Monitor
„ LCD TV
„ Car TV, Portable DVD
„ GPS navigation system
„ Handheld Game
VIN = 6 to14V
EN
Bypass
Iset
10uF
16V
VIN
YB 1519
22uH
SL12
LX
LX
FB
43.75uVF
BZV55-B 36
36V
2K
10nF
6.3V
10K
AGND
PGND
Figure 1. Typical application circuit
RFB
60OHM
YB1519 MRev.1.2
www.yobon.com.tw
1

YB1519 Datasheet
www.DataSheet4U.com
Pin Configuration
YB1519
High-Power White LED Driver
YB 1519
PGND 1
AGND 2
VIN 3
Bypass 4
FB 5
GND
10 LX
9 LX
8 Iset
7 NC
6 EN
MSOP10
Figure 2. Pin configuration
Pin Description
Table 1
Pin Name
Description
1 PGND Power ground, tie solidly to system ground of the board.
2 AGND Analog ground, tie solidly to system ground of the board.
3 VIN Input supply pin. Must be locally bypassed with a capacitor to eliminate noise.
4 Bypass Internal compensation usage. A 10nF bypass capacitor is recommended.
5 FB Feedback input pin.
6 EN Enable control pin. Active high.
7 NC No connection.
8 Iset Tie a resistor to ground to set inductor current.
9 LX Switch pin, connect to external inductor.
10 LX Switch pin, connect to external inductor.
Ordering Information
Order Number
YB1519
Package Type
MSOP-10
Supplied as
2500 Units Tape & Reel
Package Marking
YB1519
YB1519 MRev.1.2
www.yobon.com.tw
2


Features Datasheet pdf www.DataSheet4U.com YB1519 High-Power W hite LED Driver Features „ 2V to 16V I nput Voltage „ 40V Maximum Output Volt age „ Drive up to 18 White LEDs „ Adj ustable Inductor Current „ 1μs Consta nt Off-time PFM Control „ 1KHz to 100K Hz PWM Dimming Control Description The YB1519 is a high-power boost converter . An adjustable current limit, wide ran ge of input voltage, and up to 40V of s witch voltage are designed to drive whi te LEDs back-lighting for large LCD pan el. It can drive up to 10 LEDs in serie s or 18 LEDs in parallel/series configu ration. The wide application VIN range makes YB1519 suitable for many types of battery applications such as Li-ions, Alkaline, or Sealed Lead Acid batteries . The adjustable inductor current optim izes the performance for different outp ut drive capability by an external resi stor. The LED current is set by a resis tor connected to FB pin. The On/Of duty with clock frequency from 1K to 100KHz at EN pin can control the LED brightness Applications „ High Power W.
Keywords YB1519, datasheet, pdf, YOBON TECHNOLOGIES, High-Power, White, LED, Driver, B1519, 1519, 519, YB151, YB15, YB1, Equivalent, stock, pinout, distributor, price, schematic, inventory, databook, Electronic, Components, Parameters, parts, cross reference, chip, Semiconductor, circuit, Electric, manual, substitute




@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)