AP3064
FOUR-CHANNEL CURRENT SOURCE BOOST LED DRIVER
Description
Pin Assignments
NEW PRODUCT
The AP3064 is a high efficiency boost controller with 4-string current
sources for driving WLED backlight. It operates over a wide input
voltage range from 4.5V to 33V.
(Top View)
The current of 4 strings are simply programmed from 20mA to 220mA
with an external resistor. The current matching between each string is
±1.5% (Typ). Its operating frequency can be adjusted from 0.1MHz to
1MHz.
CH4
1
16
CH3
ISET
2
15
GND
OVP
3
14
CH2
RT
4
13
CH1
EN
5
12
DIM
CS
6
11
COMP
OUT
7
10
STATUS
VCC
8
9
The AP3064 features cycle-by-cycle current limit, soft-start, under
voltage lockout (UVLO) protection, programmable OVP, over
temperature protection (OTP), open/short LED protection, V OUT
short/Schottky diode open protection and Schottky Diode short-circuit
protection.
VIN
The AP3064 is available in SO-16 package.
SO-16
Features
Applications
Input Voltage Range: 4.5V to 33V
Drives up to 4 Strings in Parallel, 220mA per String
LCD Monitor
Programmable WLED Current from 20mA to 220mA
LCD Display Module
Adjustable Operating Frequency: 100kHz to 1MHz
LCD TV
String-to-string Current Matching Accuracy: ±1.5%
Built-in OCP, OTP, UVLO
External PWM Dimming
Open/Short LED Protection
Programmable Soft-start
Programmable OVP
Schottky Diode/Inductor Short-circuit Protection
VOUT Short/Schottky Diode Open Protection
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ 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
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