Datasheet > MAX8647ETE+

MAX8647ETE+

更新时间： 2024-11-18 03:34:55

品牌	Logo	应用领域
美信 - MAXIM		泵
页数	文件大小	规格书
15页	266K
描述
Ultra-Efficient Charge Pumps for Six White/RGB LEDs in 3mm x 3mm Thin QFN

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技术参数
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MAX8647ETE+ 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,	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	0.9
模拟集成电路 - 其他类型：	SWITCHED CAPACITOR REGULATOR	最大输入电压：	5.5 V
最小输入电压：	2.7 V	标称输入电压：	3.6 V
JESD-30 代码：	S-XQCC-N16	JESD-609代码：	e3
长度：	3 mm	湿度敏感等级：	1
功能数量：	1	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：	Not Qualified
座面最大高度：	0.8 mm	表面贴装：	YES
切换器配置：	DOUBLER INVERTER	最大切换频率：	1000 kHz
技术：	BICMOS	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn)	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：	NOT SPECIFIED	宽度：	3 mm
Base Number Matches：	1

MAX8647ETE+ 数据手册

19-0790; Rev 0; 4/07

Ultra-Efficient Charge Pumps for

Six White/RGB LEDs in 3mm x 3mm Thin QFN

7/MAX648

General Description

Features

♦ Six Adaptive Current Regulators

The MAX8647/MAX8648 drive up to six white LEDs or

two sets of RGB LEDs with regulated constant current

for display backlight and fun light applications. By utiliz-

ing an inverting charge pump and extremely low-

dropout adaptive current regulators, these ICs achieve

very high efficiency over the full 1-cell Li+ battery volt-

age range and even with large LED forward voltage

mismatch. The 1MHz fixed-frequency switching allows

for tiny external components. The regulation scheme is

optimized to ensure low EMI and low input ripple. The

MAX8647/MAX8648 include thermal shutdown, open-

and short-circuit protection.

♦ Independent Voltage Supply for Each LED

♦ Individual LED Brightness Control (MAX8647)

♦ 24mA to 0.1mA Dimming Range

I C Interface (MAX8647)

Serial-Pulse Dimming Logic (MAX8648)

♦

2% Accuracy, 0.4% Matching (typ)

♦ Low 70µA Quiescent Current

♦ Low 1µA Shutdown Current

♦ Inrush Current Limit

♦ T Derating Function Protects LEDs

♦ 16-Pin, 3mm x 3mm Thin QFN Package

The MAX8647 features an I C serial port, while the

MAX8648 features a three-wire serial-pulse logic inter-

face. Both devices support independent on/off and

dimming for main and subbacklights. The dimming

ranges are pseudo-logarithmic from 24mA to 0.1mA

and off in 32 steps. Both devices include a temperature

derating function to safely allow bright 24mA full-scale

output current setting while automatically reducing cur-

rent to protect LEDs at high ambient temperatures

above +60°C.

Ordering Information

PACKAGE

TOP

PKG

PART

DIMMING

MARK CODE

MAX8647ETE+ I C interface 16 Thin QFN-EP* AFD

T1633-5

Serial-pulse

The MAX8647/MAX8648 are available in a 16-pin, 3mm

x 3mm thin QFN package (0.8mm max height).

MAX8648ETE+

16 Thin QFN-EP* AFE

logic

Note: All devices are specified over the -40°C to +85°C extended

temperature range.

+Denotes a lead-free package.

Applications

White LED Backlighting, Single or Dual Display

Wide-Gamut RGB LED Display Backlighting

Camera Flash or RGB Indicators

*EP = Exposed paddle.

Typical Operating Circuit

Cellular Phones and Smartphones

1μF

PDAs, Digital Cameras, and Camcorders

Pin Configuration

C1P

C1N C2P

C2N

NEG

1μF

INPUT

2.7V TO 5.5V

TOP VIEW

1μF

GND

WHITE

OR RGB LED

LED6

NEG

C1N

C2N

LED1

MAX8648

SDA (ENC)

LED1

LED2

LED3

LED4

LED5

LED6

MAX8647ETE

MAX8648ETE

SCL (ENB) 15

ENA

ENB

ENC

(ENA)

SERIAL-

PULSE

INTERFACE

THIN QFN

( ) DESIGNATE PINS ON THE MAX8648

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...15

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MAX8647ETE+ 替代型号

型号	品牌	替代类型	描述	数据表
MAX8647ETE+T	MAXIM	完全替代	Switched Capacitor Regulator, 1000kHz Switching Freq-Max, BICMOS, 3 X 3 MM, 0.80 MM HEIGHT

与MAX8647ETE+相关器件

型号	品牌	获取价格	描述	数据表
MAX8647ETE+T	MAXIM	获取价格	Switched Capacitor Regulator, 1000kHz Switching Freq-Max, BICMOS, 3 X 3 MM, 0.80 MM HEIGHT
MAX8648ETE+	MAXIM	获取价格	Ultra-Efficient Charge Pumps for Six White/RGB LEDs in 3mm x 3mm Thin QFN
MAX8648ETE+T	MAXIM	获取价格	Switched Capacitor Regulator, 1000kHz Switching Freq-Max, BICMOS, 3 X 3 MM, 0.80 MM HEIGHT
MAX8649	MAXIM	获取价格	1.8A Step-Down Regulator with Remote Sense in 2mm x 2mm WLP
MAX8649_10	MAXIM	获取价格	1.8A Step-Down Regulator with Differential Remote Sense in 2mm x 2mm WLP
MAX8649_11	MAXIM	获取价格	1.8A Step-Down Regulator with Remote Sense in 2mm x 2mm WLP
MAX8649AEWE	MAXIM	获取价格	1.8A Step-Down Regulator with Remote Sense in 2mm x 2mm WLP
MAX8649AEWE+T	MAXIM	获取价格	Switching Regulator, Current-mode, 3.2A, 4060kHz Switching Freq-Max, BICMOS, PBGA16, 2 X 2
MAX8649AEWET	MAXIM	获取价格	1.8A Step-Down Regulator with Remote Sense in 2mm x 2mm WLP
MAX8649EWE	MAXIM	获取价格	1.8A Step-Down Regulator with Remote Sense in 2mm x 2mm WLP

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