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MIC3287YD5 参数 Datasheet PDF下载

MIC3287YD5图片预览
型号: MIC3287YD5
PDF下载: 下载PDF文件 查看货源
内容描述: 1.2MHz的PWM白光LED驱动器, OVP ,薄型SOT -23 ,并采用2mm x 2mm MFL [1.2MHz PWM White LED Driver with OVP in Thin SOT-23 and 2mm x 2mm MFL]
分类和应用: 驱动器
文件页数/大小: 9 页 / 334 K
品牌: MICREL [ MICREL SEMICONDUCTOR ]
 浏览型号MIC3287YD5的Datasheet PDF文件第1页浏览型号MIC3287YD5的Datasheet PDF文件第2页浏览型号MIC3287YD5的Datasheet PDF文件第3页浏览型号MIC3287YD5的Datasheet PDF文件第5页浏览型号MIC3287YD5的Datasheet PDF文件第6页浏览型号MIC3287YD5的Datasheet PDF文件第7页浏览型号MIC3287YD5的Datasheet PDF文件第8页浏览型号MIC3287YD5的Datasheet PDF文件第9页  
Micrel, Inc.
MIC3287
Typical Characteristics
85
80
EFFICIENCY (%)
3 Series
White LED Efficiency
V
IN
=3.6V
85
80
EFFICIENCY (%)
4 Series
White LED Efficiency
V
IN
=3.6V
V
IN
=3.2V
V
IN
=4.2V
12
ENABLE PIN CURRENT (µA)
Enable Pin Current
vs. Temperature
V
EN
=5V
75
V
IN
=3.2V
70
65
60
55
50
45
2
L = 10µH
C
OUT
= 0.22µF
4 6
8 10 12 14 16
18
20
WHITE LED CURRENT (mA)
V
IN
=4.2V
75
70
65
60
55
50
45
2
10
8
6
4
2
V
EN
=2.5V
V
EN
=1.8V
V
EN
=3.3V
L = 10µH
C
OUT
= 0.22µF
4 6
8 10 12 14 16
18
20
WHITE LED CURRENT (mA)
0
-40 -25 -10 5 20 35 50
65
80
TEMPERATURE (°C)
1.5
FREQUENCY (MHz)
Frequency
vs. Temperature
260
FEEDBACK VOLTAGE (mV)
Feedback Voltage
vs. Temperature
254
FEEDBACK VOLTAGE (mV)
Feedback Voltage
vs. Input Voltage
1.4
1.3
1.2
1.1
V
IN
=3.6V
V
IN
=4.2V
256
252
248
244
240
-40 -25 -10 5 20 35 50
65
80
TEMPERATURE (°C)
V
IN
=3.6V
253
252
251
250
249
248
2.8 3.2
3.6
4.0 4.4 4.8 5.2
5.6
INPUT VOLTAGE (V)
V
IN
=3.2V
1.0
-40 -25 -10 5 20 35 50
65
80
TEMPERATURE (°C)
QUIESCENT CURRENT (mA)
0.003
SHUTDOWN CURRENT (uA)
Shutdown Current
vs. Input Voltage
2.5
2.4
2.3
2.2
2.1
Quiescent Current
vs. Input Voltage
900
CURRENT LIMIT (mA)
Curremt Limit
vs. Temperature
850
800
750
700
650
600
-40 -25 -10 5 20 35 50
65
80
TEMPERATURE (°C)
V
IN
=3.6V
0.002
0.001
2.8 3.2
3.6
4.0 4.4 4.8 5.2
5.6
INPUT VOLTAGE (V)
2.0
2.8 3.2
3.6
4.0 4.4 4.8 5.2
5.6
INPUT VOLTAGE (V)
840
CURRENT LIMIT (mA)
Current Limit
vs. Input Voltage
820
800
780
760
740
720
2.8 3.2
3.6
4.0 4.4 4.8 5.2
5.6
INPUT VOLTAGE (V)
April 2010
4
M9999-042910