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参数资料
| 型号： | MIC4812YMME |
| 厂商： | Micrel Inc |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC WHITE LED DVR HC 6CH 10MSOP |
| 标准包装： | 100 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO），PWM |
| 输出数： | 6 |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 10-MSOP 裸露焊盘 |
| 包装： | 管件 |
| 其它名称： | 576-3859-5 |
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-D6 ) ............................ –0.3V to +6V
Power Dissipation .....................................Internally Limited
Lead Temperature (soldering, 10sec.)....................... 260°C
Storage Temperature (T s ) ......................... –65°C to +150°C
ESD Rating (3) ............................................................... 1.5kV
MIC4812
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-D6 ) ................................... 0V to V IN
Junction Temperature (T J ) ........................ –40°C to +125°C
Junction Thermal Resistance
ePad MSOP-10L ( θ JA ) ....................................76.7°C/W
Electrical Characteristics
V IN = V EN = 5V, R SET = 8.25k ? ; V D1-D6 = 1.2V; T J = 25 ° C, bold values indicate –40 ° C ≤ T J ≤ 125 ° C; unless noted.
Current Accuracy
Matching
Parameter
(4)
(5)
Drop-out
Ground/Supply Bias Current
Shutdown Current
Conditions
Where I LED = 90% of LED current seen at
V DROPNOM = 1.2V, 100% brightness level
V EN = 0V
Min
96
Typ
101
1
190
3.2
0.01
Max
106
3.6
320
4.2
1
Units
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
1
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. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k ? in series with 100pF.
4. As determined by average current of all channels in use and all channels loaded.
5. The current through each LED meets the stated limits from the average current of all LEDs.
April 2011
3
M9999-041419-B
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| MIC4812YMME TR | 功能描述:LED照明驱动器 High Current Six Channel WLED Driver w/ DAM and 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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