参数资料
型号: MIC3809YMM TR
厂商: Micrel Inc
文件页数: 6/11页
文件大小: 0K
描述: IC REG CTRLR ISO PWM CM 8-MSOP
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 50%
电源电压: 2 V ~ 14 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
其它名称: MIC3809YMMTR
MIC3809YMMTR-ND
MIC3808/3809
Typical Characteristics
Micrel
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
MIC3808 V DD
vs. I DD
7
6
5
4
3
2
1
MIC3809 V DD
vs. I DD
MIC3809 Oscillator Variation
vs. V DD
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
0
0
5
10
15
0
0
2
4
6
8 10 12 14 16
-0.4
0
2
4
6 8 10
12
14
V DD (V)
V DD (V)
V DD (V)
V DD = 10V
3
2
1
0
MIC3809 Oscillator
Frequency Variation
vs. Temperature
V DD = 5V
V DD = 10V
1M
100k
Frequency
vs. RC Values
C = 100pF
C = 220pF
C = 270pF
C = 330pF
C = 470pF
C = 680pF
200
175
150
125
RC Pin Capacitance
vs. Deadtime
-1
-2
100
75
-3
-40 -20 0 20 40 60 80 100120140
TEMPERATURE ( ° C)
C = 1000pF
10k
0 50k 100k 150k
RESISTANCE (k ? )
200k
50
CAPACITANCE (pF)
MIC3808 V
89
RC Pin Resistance
vs. Deadtime
2.05
MIC3809 V REFERENCE
vs. V DD
2.015
REFERENCE
vs. V DD
88
87
86
85
84
2.03
2.01
1.99
1.97
1.95
1.93
1.91
1.89
1.87
2.010
2.005
2.000
1.995
1.990
1.985
1.980
1.975
83
1.85
4
6
8
10 12 14
16
18
1.970
8
9
10 11 12 13 14 15 16
0.501
RESISTANCE (k ? )
MIC3808 Current Limit
Threshold vs. V DD
0.505
V DD (V)
MIC3809 Current Limit
Threshold vs. V DD
2.02
2.02
V DD (V)
Error Amplifier Reference
Voltage vs. Temperature
0.499
0.497
0.495
0.493
0.491
0.503
0.501
0.499
0.497
0.495
2.01
2.01
2.00
2.00
1.99
1.99
1.98
1.98
0.489
8
9
10 11 12 13 14 15 16
0.493
4
6
8
10 12
14
16
1.97
-40 -20 0 20 40 60 80 100120140
MIC3808/3809
V DD (V)
V DD (V)
6
TEMPERATURE ( ° C)
April 2005
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