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Preliminary Datasheet

Boost Type LED Driver with 4-Channel Current Source AP3064

Jul. 2012 Rev. 1. 5 BCD Semiconductor Manufacturing Limited

1

General Description

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.

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.

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.

The AP3064 is available in SOIC-16, PSOP-16,

DIP-16 and QFN-4×4-16 packages.

Features

• Input Voltage Range: 4.5V to 33V

• Drives up to 4 Strings in Parallel, 220mA per

String

• Programmable WLED Current from 20mA to

220mA

• Adjustable Operating Frequency: 100kHz to

1MHz

• 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

• V

OUT

Short/Schottky Diode Open Protection

Applications

• LCD Monitor

• LCD Display Module

• LCD TV

Figure 1. Package Types of AP3064

SOIC-16 PSOP-16 DIP-16 QFN-4×4-16

1 2 3 4 5 6 ... 19 20

Résumé du contenu

Page 1 -

Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

Page 2 - Pin 1 Mark

Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

Page 3 - Pin Description

Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

Page 4

Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

Page 5

Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

Page 6 - Parameter Symbol Value Unit

Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

Page 7 - Electrical Characteristics

Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

Page 8

Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

Page 9 - Frequency (kHz)

Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

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Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

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Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

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Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

Page 13 - Application Information

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

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Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

Page 15 - Typical Application

Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

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Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

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Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

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Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

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Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

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Preliminary Datasheet Boost Type LED Driver with 4-Channel Current Source AP3064 Jul. 2

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