参数资料
型号: MIC3202-1YME TR
厂商: Micrel Inc
文件页数: 5/19页
文件大小: 0K
描述: IC LED DVR HB 37V 1A 8SOIC
标准包装: 2,500
恒定电流:
拓扑: PWM,降压(降压)
输出数: 1
内部驱动器:
类型 - 主要: 通用
类型 - 次要: 高亮度 LED(HBLED)
频率: 1MHz
电源电压: 6 V ~ 37 V
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm Width)裸露焊盘
供应商设备封装: 8-SOIC-EP
包装: 带卷 (TR)
Micrel, Inc.
Typical Characteristics
MIC3202
100
Efficiency
vs. Input Voltage
1.02
LED Current Normalized
vs. Input Voltage
2.0%
LED Current Accuracy
vs. Input Voltage
95
2LED
4LED
6LED
8LED
1.01
I LED = 1A
L = 47uH
1.0%
I LED = 1A
L = 47uH
90
85
1LED
1.00
2LED
4LED
6LED
8LED
0.0%
2LED
4LED
6LED
8LED
80
0.99
1LED
-1.0%
1LED
I LED = 1A
75
6
L = 47uH
14
22
30
38
0.98
6
14
22
30
38
-2.0%
6
14
22
30
38
INPUT VOLTAGE (V)
Switching Frequency
vs. Input Voltage
INPUT VOLTAGE (V)
Duty Cycle
vs. Input Voltage
INPUT VOLTAGE (V)
V IN Supply Current
vs. Input Voltage
1000
I LED = 1A
L = 47uH
100%
2LED
4LED
6LED
8LED
3.0
2.5
750
75%
2.0
500
50%
1.5
250
1LED
2LED
4LED
6LED
8LED
25%
1LED
I LED = 1A
L = 47uH
1.0
0.5
V OUT = OPEN
V CC = 5V
NO-SWITCHING
0
6
14
22
30
38
0%
6
14
22
30
38
0.0
6
14
22
30
38
0.5
INPUT VOLTAGE (V)
V IN Shutdown Current
vs. Input Voltage
5.050
INPUT VOLTAGE (V)
V CC Voltage
vs. Input Voltage
250
INPUT VOLTAGE (V)
CS Voltage
vs. Input Voltage
V LED =3.5V
0.4
5.025
225
V CS MAX
I LED =1A
0.3
0.2
5.000
200
V CS MIN
0.1
0.0
V EN = 0V
4.975
4.950
V LED = OPEN
I LED = 0A
175
150
6
14
22
30
38
6
14
22
30
38
6
14
22
30
38
125
100
75
50
INPUT VOLTAGE (V)
Enable Bias Current
vs. Enable Voltage
100
75
50
INPUT VOLTAGE (V)
Dimming Bias Current
vs. Dimming Voltage
425
375
325
INPUT VOLTAGE (V)
Switch R DSON
vs. Input Voltage
25
0
6
14
22
V IN = V EN
V LED =OPEN
I LED = 0A
30
38
25
0
6
14
22
V IN = V DIM
V LED =OPEN
I LED = 0A
30
38
275
225
6
14
22
V LED = 3.5V
I LED = 1A
30
38
ENABLE VOLTAGE (V)
September 2010
DIMMING VOLTAGE (V)
5
INPUT VOLTAGE (V)
M9999-091710-A
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