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CAT3647HV3-GT2 PDF预览

CAT3647HV3-GT2

更新时间: 2024-01-31 02:40:18
品牌 Logo 应用领域
安森美 - ONSEMI 显示驱动器驱动程序和接口接口集成电路
页数 文件大小 规格书
14页 271K
描述
3-Channel Ultra High Efficiency Quad-Mode LED Driver with 32 Dimming Levels

CAT3647HV3-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:3 X 3 MM, 0.80 MM HEIGHT, HALOGEN FREE, ROHS COMPLIANT, MO-220, TQFN-16针数:16
Reach Compliance Code:unknown风险等级:5.75
Is Samacsys:N数据输入模式:SERIAL
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:S-XQCC-N16
JESD-609代码:e4长度:3 mm
湿度敏感等级:NOT SPECIFIED复用显示功能:NO
功能数量:1区段数:3
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
认证状态:COMMERCIAL座面最大高度:0.8 mm
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
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 mmBase Number Matches:1

CAT3647HV3-GT2 数据手册

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CAT3647  
3-Channel Ultra High Efficiency Quad-Mode®  
LED Driver with 32 Dimming Levels  
DESCRIPTION  
FEATURES  
„ High efficiency 1.33x charge pump  
„ Quad-mode charge pump: 1x, 1.33x, 1.5x, 2x  
„ Drives up to 3 LEDs at 30mA each  
„ 1-wire EZDim™ 32 linear steps  
„ Power efficiency up to 92%  
The CAT3647 is a high efficiency quad-mode  
fractional charge pump that can drive up to three  
LEDs programmable by a one wire digital interface.  
The inclusion of a 1.33x fractional charge pump mode  
increases device efficiency by up to 10% over  
traditional 1.5x charge pumps with no added external  
capacitors.  
„ Low noise input ripple in all modes  
„ “Zero” current shutdown mode  
„ Soft start and current limiting  
„ Short circuit protection  
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 2.4V to 5.5V.  
„ Thermal shutdown protection  
„ RoHS-compliant 16-pad TQFN package  
APPLICATION  
„ LCD Display Backlight  
The EN/DIM logic input functions as a chip enable and  
a digital dimming interface for setting the current in all  
the LED channels. The 1-wire pulse-dimming interface  
supports 32 linear steps from full-scale down to zero  
current.  
„ Cellular Phones  
„ Digital Still Cameras  
„ Handheld Devices  
The device is available in the tiny 16-pad TQFN 3mm  
x 3mm package with a max height of 0.8mm.  
ORDERING INFORMATION  
Part Number  
Package  
Marking  
Catalyst Semiconductor’s Quad-Mode® 1.33x, charge  
pump switching architecture is patented.  
TQFN-16  
CAT3647HV3-GT2  
JAAP  
3mm x 3mm(1)  
Notes:  
(1) NiPdAu Plated Finish (RoHS-compliant)  
(2) Quantity per reel is 2000  
PIN CONFIGURATION  
TYPICAL APPLICATION CIRCUIT  
(Top View)  
1µF  
1µF  
C1+  
VIN  
C1- C2+  
C2-  
V
16 15 14 13  
IN  
V
OUT  
VOUT  
C
LED2  
LED3  
NC  
1
2
3
4
12 C2-  
11 C2+  
10 C1-  
IN  
C
2.4V  
to  
5.5V  
OUT  
1µF  
1µF  
CAT3647  
1-Wire  
EZDimTM  
EN/DIM  
RSET  
LED1  
LED2  
LED3  
Programming  
20mA  
RSET  
9 C1+  
3.74k  
GND  
5
6
7
8
© 2008 SCILLC. All rights reserved.  
Characteristics subject to change without notice  
1
Doc. No. MD-5030 Rev. C  

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