- 您现在的位置：买卖IC网 > Datasheet目录341 > MAX8607ETD+T (Maxim Integrated)IC LED DRIVR PHOTO FLASH 14-TDFN Datasheet资料下载
参数资料
| 型号： | MAX8607ETD+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/10页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR PHOTO FLASH 14-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 拓扑： | 线性（LDO），PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 闪灯/白光 |
| 频率： | 800kHz ~ 1.2MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 5.5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
1MHz PWM Boost Converter for 1.5A
White LED Camera Flash
LX
PGND
COMP
1MHz
CLOCK
FORCED-PWM
BOOST CONTROL
REF
1.25V
FEEDBACK
SELECT
OUT
OUTS
EN1
SHUTDOWN AND
MODE CONTROL
LED
EN2
LDO
FLSH
MOV
GND
MAX8607
REGULATOR
LGND
Figure 1. Functional Diagram
Detailed Description
Boost Converter
The MAX8607 includes a fixed-frequency, PWM boost
converter that supplies the LED current. The output
voltage is adaptively controlled to provide adequate
headroom with varying LED forward voltage. The boost
converter switches an internal power MOSFET and syn-
chronous rectifier at a constant 1MHz frequency with
varying duty cycle up to 75% to maintain constant LED
current over the 2.7V to 5.5V input range. Internal spe-
cial circuits prevent any unwanted subharmonic switch-
ing in the critical buck/boost region.
LDO Current Regulator (LED)
A low-dropout (LDO) linear current regulator from LED
to LGND sinks current from the external LED’s cathode
terminal. The LED current is regulated to a user-pro-
grammable level. In movie mode, the current into LED
is regulated to 1200 times the current set by the MOV
resistor (R MOV ). In flash mode, the current into LED is
regulated to 5000 times the current set by the FLSH
resistor (R FLSH ). In disco mode, the current into LED is
regulated to 80mA.
6
_______________________________________________________________________________________
相关PDF资料 |
PDF描述 |
|---|---|
| MAX8608YETD+T | IC LED DRVR WT/OLED BCKLT 14TDFN |
| MAX8631XETI+T | IC LED DRVR WHITE BCKLGT 28-TQFN |
| MAX8645YETI+T | IC LED DRVR WHITE BCKLGT 28-TQFN |
| MAX8647ETE+T | IC LED DRVR WT/RGB BCKLGT 16TQFN |
| MAX8702ETP+ | IC DRVR MOSFET DUAL 20-TQFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8607EVKIT+ | 制造商:Maxim Integrated Products 功能描述:MAX8607 EVAL KIT - Boxed Product (Development Kits) |
| MAX8608YETD+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX8608YETD+T | 功能描述:LED照明驱动器 26V Step-Up Converter RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MAX8608YETD-T | 功能描述:LED照明驱动器 26V Step-Up Converter RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MAX8608YEVKIT | 功能描述:LED 照明开发工具 RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
发布紧急采购，3分钟左右您将得到回复。