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| 型号： | MIC4801YM |
| 厂商： | Micrel Inc |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC WHITE LED DVR 600MA 1CH 8SOIC |
| 标准包装： | 95 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO），PWM |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 通用 |
| 类型 - 次要： | 白色 LED |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 其它名称： | 576-3856-5 |
Micrel Inc.
Absolute Maximum Ratings (1)
Main Input Voltage (V IN ) .................................. –0.3V to +6V
Enable Input Voltage (V EN ).............................. –0.3V to +6V
LED Driver Voltage (V D1 ) ................................ –0.3V to +6V
Power Dissipation .....................................Internally Limited
Lead Temperature (soldering, 10sec.)....................... 260°C
Storage Temperature (T s ) ......................... –65°C to +150°C
MIC4801
Operating Ratings (2)
Supply Voltage (V IN )..................................... +3.0V to +5.5V
Enable Input Voltage (V EN ) .................................... 0V to V IN
LED Driver Voltage (V D1 ) ....................................... 0V to V IN
Junction Temperature (T J ) ........................ –40°C to +125°C
Junction Thermal Resistance
SOIC-8L ( θ JA )..................................................98.9°C/W
Electrical Characteristics
V IN = V EN = 5V, R SET = 12.1k ? ; V D1 = 1.2V; T J = 25 ° C, bold values indicate –40 ° C ≤ T J ≤ 125 ° C; unless noted.
Parameter
Conditions
Min
Typ
Max
Units
Current Accuracy
(3)
Drop-out
Ground/Supply Bias Current
Shutdown Current
Where I LED = 90% of LED current seen at
V DROPNOM = 1.2V, 100% brightness level
I OUT = 416mA
V EN = 0V
374
416
130
2.2
0.01
458
250
2.9
1
mA
mV
mA
μA
PWM Dimming
Enable Input Voltage (V EN )
Logic Low
Logic High
1.2
0.2
V
V
Enable Input Current
Current Source Delay
(50% levels)
Current Source Transient Time
(10%-90%)
V IH > 1.2V
Shutdown to on
Standby to on
On to Standby
T RISE
T FALL
0.01
40
2
0.3
1
0.3
1
60
μA
μs
μs
μs
μs
μs
Stand-by to Shutdown Time
V EN = 0V
10
20
40
ms
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. As determined by average current based on R SET resistance.
January 2011
3
M9999-011811-A
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相关代理商/技术参数 |
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| MIC4801YM TR | 功能描述:LED照明驱动器 600mA Single Channel WLED Driver w/ Ultrafast PWM Control 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 |
| MIC4801YM-TR | 功能描述:LED 驱动器 IC 1 输出 线性 PWM 调光 600mA 8-SOIC 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:停产 类型:线性 拓扑:- 内部开关:是 输出数:1 电压 - 供电（最低）:3V 电压 -?供电（最高）:5.5V 电压 - 输出:- 电流 - 输出/通道:600mA 频率:- 调光:PWM 应用:照明 工作温度:-40°C ~ 125°C （TJ） 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商器件封装:8-SOIC 标准包装:1 |
| MIC4802 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:High Efficiency 800mA Single Channel Linear WLED Driver with Ultra Fast PWM? Control |
| MIC4802YME | 功能描述:LED照明驱动器 800mA Single Channel WLED Driver w/ Ultrafast PWM Control 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 |
| MIC4802YME TR | 功能描述:LED照明驱动器 800mA Single Channel WLED Driver w/ Ultrafast PWM Control 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 |
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