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参数资料
| 型号： | MAX8648ETE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/15页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WT/RGB BCKLGT 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 拓扑： | PWM，切换式电容器（充电泵） |
| 输出数： | 6 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | RGB，白色 LED |
| 频率： | 1MHz |
| 电源电压： | 1.7 V ~ 5.5 V |
| 输出电压： | 5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN（3x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
Ultra-Efficient Charge Pumps for
Six White/RGB LEDs in 3mm x 3mm Thin QFN
Typical Operating Characteristics (continued)
(V IN = 3.6V, V EN_ = V IN , circuit of Figure 1, T A = +25°C, unless otherwise noted.)
1x MODE OPERATING WAVEFORMS
1.5x MODE OPERATING WAVEFORMS
30
25
LED CURRENT vs. TEMPERATURE
V IN
(V IN = 4V)
MAX8647/48 toc14
AC-COUPLED
100mV/div
V IN
(V IN = 3V)
MAX8647/48 toc15
AC-COUPLED
100mV/div
20
I IN
100mA/div
15
I IN
100mA/div
10
0A
20mA/div
0A
20mA/div
5
I LED
ALL LEDs ON
0A
I LED
ALL LEDs ON
0A
0
I LED = 24mA
I LED = 24mA
-40
-15
10
35
60
85
400ns/div
400ns/div
TEMPERATURE ( ° C)
STARTUP AND SHUTDOWN
(MAX8648)
MAX8647/48 toc16
SINGLE-WIRE PULSE DIMMING
(MAX8648)
MAX8647/48 toc17
V EN_
ENA = ENB = ENC
2V/div
V EN_
OPERATING IN 1x
5V/div
MODE, ALL 6 LEDs
AC-COUPLED
OPERATING
V IN
20mV/div
I IN
I LED5
1ms/div
LINE-TRANSIENT RESPONSE
(V IN = 4.3V TO 3.8V TO 4.3V)
MAX8647/48 toc18
200mA/div
0A
2V/div
0A
4.3V
TOTAL I LED5
20mA/div
0A
10ms/div
LINE-TRANSIENT RESPONSE WITH MODE
CHANGE (V IN = 3.8V TO 3.4V TO 3.8V)
MAX8647/48 toc19
V IN
I IN
3.8V
200mA/div
0A
V IN
I IN
3.8V
3.4V
200mA/div
0mA
24mA
I LED6
1ms/div
20mA/div
I LED6
1ms/div
24mA
20mA/div
6
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8648EVKIT+ | 制造商:Maxim Integrated Products 功能描述:MAX8648 EVAL KIT - Rail/Tube |
| MAX8649AEWE+T | 功能描述:直流/直流开关调节器 1.8A Step-Down Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX8649BEWE+T | 功能描述:直流/直流开关调节器 1.8A Step-Down Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX8649EVKIT+ | 制造商:Maxim Integrated Products 功能描述:1.8A STEP-DOWN REGULATOR W/DIFFERENTIAL REMOTE SENSE IN 2MM - Boxed Product (Development Kits) |
| MAX8649EWE+ | 制造商:Maxim Integrated Products 功能描述:1.8A STEP-DOWN REGULATOR W/DIFFEREN - Rail/Tube |
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