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AL3066S16-13

Description
Supply Voltage (Max): 33V Frequency: - Type: DC DC Controller Internal Switch: None Topology: Boost Supply Voltage (Min): 4.5V
CategoryOther integrated circuit (IC)    The LED driver   
File Size667KB,14 Pages
ManufacturerDiodes
Websitehttp://www.diodes.com/
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AL3066S16-13 Overview

Supply Voltage (Max): 33V Frequency: - Type: DC DC Controller Internal Switch: None Topology: Boost Supply Voltage (Min): 4.5V

AL3066S16-13 Parametric

Parameter NameAttribute value
The output voltage100V
Supply voltage (maximum)33V
frequency-
Output/channel current250mA
Operating temperature-40℃ ~ 85℃
typeDC DC controller
internal switchnone
TopologyBoost
Supply voltage (minimum)4.5V
Number of outputs4
AL3066
FOUR-CHANNEL CURRENT SOURCE BOOST LED DRIVER
Description
The AL3066 is a high efficiency 4-channel boost controller for WLED
backlight applications. It operates over a wide input voltage ranged
from 4.5V to 33V.
Pin Assignments
SO-16
16
CH3
15
GND
14
CH2
13
CH1
12
DIM
11
COMP
10
DIM_ISET
9
CH4
The current of the 4 channels is simply programmed from 20mA to
400mA with an external resistor. The current match between any
channel is
±1.5%
(typical). Its operating frequency can be adjusted
from 0.1MHz to 1MHz.
The AL3066 can support two dimming modes: direct PWM dimming,
PWM to analog dimming.
Robust protection features include cycle by cycle current limit, soft-
start, UVLO, programmable OVP, OTP, open/short LED protection,
Schottky Diode Short and Open Protection, Inductor Short-Circuit
Protection and V
OUT
Short protection.
The IC is available in SO-16 package.
1
2
3
4
5
ISET
OVP
RT
CS
OUT
6
VCC
HVCC
7
8
VIN
Features
Input Voltage Range: 4.5V to 33V
Drivers Up to 4 Strings in Parallel, 250mA Per String, 400mA
Pulse Current
±3% Current Precision
Low Ripple for Low BOM Cost
4kV HBM ESD Class
High Voltage Pins CS and OVP for Safety Test
Support Direct PWM Dimming, PWM to Analog Dimming
Minimum PWM Dimming Duty Cycle can be 1/10,000 at 100Hz
Dimming Frequency
LED Open/Short Protection
Schottky Diode/Inductor Short-Circuit Protection
Built-in OCP, OVP, OTP, UVLO, V
OUT
Short/Schottky Diode
Open Protection
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
LCD Monitor
LCD Display Module
LCD TV
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
AL3066
Document number: DS39257 Rev. 2 - 2
1 of 14
www.diodes.com
February 2017
© Diodes Incorporated
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