- IC型号
优源电子（Uni-Source）
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产品分类
其他未分类(20)
MOSFET优势IC过电压，电流，温度装置电路保护连接器，互连式无源元件电容器半导体连接器电感器，线圈，扼流圈电池产品光电子产品分离式半导体产品开关机电产品其他电源分立器件自动化及控制设备风扇，热管理电缆组件测试与测量滤波器RF/IF 和 RFID工具与供应紧固件与机械产品电位计，可变电阻器办公用品工具电阻器光电元件和显示器测试设备光电子与显示器光电元件集成电路 (IC)继电器半导体 - 集成电路(IC)硬件，紧固件，配件电线与电缆隔离器嵌入式解决方案电源 - 板载晶体和振荡器静电控制，ESD，无尘室产品开关与继电器工具与生产用具传感器传感器与换能器变压器电缆,电线与组装件电源与线路保护传感器，转换器未定义的类别存储卡，模块计算机，办公室 - 元件，配件线缆，导线 - 管理电缆和电线办公用品与计算机
供应MP3202DJ-LF-Z ，原装现货MP3202DJ-LF-Z，欢迎询价
产品详细说明
Product Info |
1.3A Fixed Frequency White LED Driver
|
Description |
The MP3202 is a step-up converter designed for driving up to 39 white LEDs (13 strings of 3 LEDs each) from a 5V system rail. The MP3202 uses a current mode, fixed frequency architecture to regulate the LED current, which is measured through an external current sense resistor. Its low 104mV feedback voltage reduces power loss and improves efficiency. The OV pin monitors the output voltage and turns off the converter if an over-voltage condition is present due to an open circuit condition. The MP3202 includes under-voltage lockout, current limiting and thermal overload protection preventing damage in the event of an output overload. The MP3202 is available in small 6-pin TSOT23 or 8-pin QFN (2mm x 2mm) packages.
|
Features |
• 2.5V to 6V Input Voltage Range
• On Board Power MOSFET • Drives up to 39 White LEDs at 5V Input • Up to 92% Efficiency • Over 1MHz Fixed Switching Frequency • Open Load Shutdown • Low 104mV Feedback Voltage • Soft-Start/PWM Dimming • UVLO, Thermal Shutdown • Internal 1.3A Current Limit • Available in TSOT23-6 and QFN8 Packages |
Vin (Min) (V) |
2.5 |
Vin (Max) (V) |
6.0 |
Vout (Max) (V) |
25 |
# of Strings |
1 |
Current Limit (Typ) (A) |
1.3 |
Vfb (V) |
0.104 |
Switching Freq (kHz) |
1300 |
Topology1 |
Boost |
Package 1 |
TSOT23-5 |
Package 2 |
QFN8 |
......
