Datasheet > CAT3649HV3-GT2

CAT3649HV3-GT2

更新时间： 2024-11-26 01:16:11

品牌	Logo	应用领域
安森美 - ONSEMI		驱动接口集成电路
页数	文件大小	规格书
13页	303K
描述
6-Channel LED Driver with 32 Dimming Levels & PWM

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中文翻译

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技术参数
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CAT3649HV3-GT2 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
包装说明：	HVQCCN, LCC16,.12SQ,20	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	2 weeks
风险等级：	1.49	接口集成电路类型：	LED DISPLAY DRIVER
JESD-30 代码：	S-XQCC-N16	JESD-609代码：	e4
长度：	3 mm	湿度敏感等级：	1
复用显示功能：	NO	功能数量：	1
区段数：	6	端子数量：	16
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装等效代码：	LCC16,.12SQ,20	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
电源：	2.5/5 V	认证状态：	Not Qualified
座面最大高度：	0.8 mm	子类别：	Display Drivers
最大供电电压：	5.5 V	最小供电电压：	2.4 V
标称供电电压：	3.6 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	40
宽度：	3 mm	Base Number Matches：	1

CAT3649HV3-GT2 数据手册

CAT3649

6-Channel LED Driver with

32 Dimming Levels & PWM

Description

The CAT3649 is a high efficiency fractional charge pump that can

drive up to six LEDs. The inclusion of a 1.33x fractional charge pump

mode increases the device efficiency by up to 10% over traditional

1.5x charge pumps with no added external capacitors.

http://onsemi.com

Low noise input ripple is achieved by operating at a constant

switching frequency which allows the use of small external ceramic

capacitors. The multi−fractional charge pump supports a wide range of

input voltages from 2.4 V to 5.5 V.

The LED current can be adjusted in different ways. The full−scale LED

current is set to 25 mA once the device is enabled. Analog dimming in

32 linear steps is achieved via a 1−wire pulse−dimming input (ADIM).

Further adjustment of the LED current can be done by applying a pulse

width modulation (PWM) signal on the PWM input. The PWM

dimming control is compatible with content adaptive brightness control

(CABC) for a wide range of PWM signal frequency up to 200 kHz.

The CAT3649 can be shut down by holding the ADIM or PWM

input in a logic low condition for greater than 30 ms.

TQFN−16

HV3 SUFFIX

CASE 510AD

PIN CONNECTIONS

ADIM

LED6

LED5

LED4

C1+

C1−

C2+

C2−

ON Semiconductor’s 1.33x charge pump switching architecture is

patented.

Features

• High Efficiency 1.33x Charge Pump

• Charge Pump: 1x, 1.33x, 1.5x, 2x

• Drives up to 6 LEDs at 25 mA Each

• PWM Dimming 100 Hz to 200 kHz for CABC

• 1−wire EZDim 32 Linear Steps (ADIM)

• Power Efficiency up to 92%

(Top View)

MARKING DIAGRAM

• Low Noise Input Ripple in All Modes

• “Zero” Current Shutdown Mode

• Soft Start and Current Limiting

• Short Circuit Protection

JABA

AXXX

YWW

• Thermal Shutdown Protection

JABA = CAT3649HV3−GT2

A = Assembly Location

XXX = Last Three Digits of Assembly Lot Number

Y = Production Year (Last Digit)

WW = Production Week (Two Digits)

• 3 mm x 3 mm, 16−pad TQFN Package

• This Device is Pb−Free, Halogen Free/BFR Free and is RoHS

Compliant

Typical Applications (Note 1)

ORDERING INFORMATION

• LCD Display Backlight

• Cellular Phones

†

Device

Package

Shipping

• Digital Still Cameras

CAT3649HV3−GT2

TQFN−16

(Pb−Free)

2000 /

Tape & Reel

• Handheld Devices

1. Typical application circuit with external components is shown in Figure 1.

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

Publication Order Number:

August, 2014 − Rev. 3

CAT3649/D

12 3 4 5 6 7...13

中文翻译

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