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BCR450 50s 的参数 |
| 恒流
Constant Current |
是 YES |
| 恒压
Constant Voltage |
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| 拓扑
Topology |
线性（LDO），PWM Linear (LDO), PWM |
| 输出数
Number of Outputs |
1 |
| 内部驱动器
Internal Driver |
是 YES |
| 初级类型
Type - Primary |
通用 General Purpose |
| 次级类型
Type - Secondary |
|
| 频率
Frequency |
1MHz |
| 电源电压
Voltage - Supply |
8V~27V |
| 输出电压
Voltage - Output |
6V |
| Description & Applications |
FEATURES ? Power LED Driver IC ? Low voltage drop across sense resistor, 0.15 V typical ? High output current precision ? Operating voltage fro 8 to 27 V ? Over voltage protection ? Overtemperature current foldback and Thermal shut down function ? Adjustable Constant LED Current up to 85 mA in stand alone operation ? Precise Internal bandgap enables High output current accuracy ? Up to 2.5 A LED current possible by using external transistor ? EN Input for PWM LED brightness control and On/Off control ? Very Low Standby Current ? Minimum number of external components required, no inductors ? Very small SC-74 package: 2.9 mm x 2.5 mm x 1.1 mm Benefits ? High level of colour control due to high output current precision ? Small space requirement ? No electro- magnetic interference ? Active thermal monitoring of chip and LED temperature with current fold- back to avoid thermal overstress ? Low cost device ? Scalable output stage optimizing cost and space Typical Applications ? General lighting e.g. retrofits ? Architectural lighting, Medical and Dental lighting ? Transportation like train and aircraft lighting ? Strobe lighting ? Universal constant current source ? Signal and marker lights for orientation or navigation ? LED controller for industrial applications, not qualified to AECQ-100 |
| 描述与应用 |
特点 ?电源LED驱动IC ?低电压检测电阻，压降典型值0.15 V ?高输出电流精度 ?工作电压来回8至27 V ?过电压保护 ?过热电流折返和热关机功能 ?可调恒定LED电流高达85 mA的独立操作 ?精确的内部带隙，实现高输出电流精度 ?高达2.5 A LED电流可以通过使用外部晶体管 ?EN输入PWM控制LED亮度和开/关控制 ?极低的待机电流 ?最小所需的外部元件数量，无需电感器 ?非常小的SC-74封装：2.9毫米×2.5毫米×1.1毫米 优点 ?由于高输出电流精度色彩控制水平高 ?小空间要求 ?无电磁干扰 ?主动热监测芯片温度和LED电流折返，以避免过度热 ?低成本设备 ?可扩展的输出级优化成本和空间 典型应用 ?一般照明，例如改造 ?建筑照明，医疗及牙科照明 ?火车和飞机等交通设施照明 ?频闪照明 ?通用恒流源 ?定向或导航信号和标志灯 ?LED控制器为工业应用，而不是符合AECQ-100 |
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相关型号列表 |
| 型号 |
标记/丝印/代码 |
厂家 |
批号 |
封装 |
数量 |
描述 |
详细资料 |
| BCR400W |
W4 |
SIEMENS |
05+ |
SOT-343 |
9000 |
电源管理ICPower Management IC/PMIC-稳流/电流管理Current Regulation/Management |
查看 |
| BCR400W |
W4 |
INFINEON |
05+ |
SOT-343 |
4900 |
电源管理ICPower Management IC/PMIC-稳流/电流管理Current Regulation/Management |
查看 |
| BCR48PN |
WT |
INFINEON |
05+ |
SOT-363/SC-88/SC70-6 |
0 |
三极管Bipolar Junction Transistors(BJT)-复合带阻尼三极管Complex Bipolar Digital Transistor-NPN+PNP |
查看 |
| BCR48PN |
WT |
INFINEON |
09+NOPB |
SOT-363/SC-88/SC70-6 |
150 |
三极管Bipolar Junction Transistors(BJT)-复合带阻尼三极管Complex Bipolar Digital Transistor-NPN+PNP |
查看 |
| BCR450 |
50s |
INFINEON |
11+rohs |
SOT-163/SOT23-6 |
0 |
电源管理ICPower Management IC/PMIC-LED驱动LED Driver |
查看 |
| BCR450 |
50s |
INFINEON |
10+rohs |
SOT-163/SOT23-6 |
0 |
电源管理ICPower Management IC/PMIC-LED驱动LED Driver |
查看 |
| BCR402R |
W6S |
INFINEON |
08+ROHS |
SOT-143 |
0 |
电源管理ICPower Management IC/PMIC-LED驱动LED Driver |
查看 |
| BCR402R |
W6S |
INFINEON |
08+ROHS |
SOT-143 |
0 |
电源管理ICPower Management IC/PMIC-LED驱动LED Driver |
查看 |
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