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MIC4685 参数 Datasheet PDF下载

MIC4685图片预览
型号: MIC4685
PDF下载: 下载PDF文件 查看货源
内容描述: 3A SPAK SuperSwitcher ™降压稳压器 [3A SPAK SuperSwitcher⑩ Buck Regulator]
分类和应用: 稳压器
文件页数/大小: 15 页 / 155 K
品牌: MICREL [ MICREL SEMICONDUCTOR ]
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MIC4685
Micrel
Feedback Voltage
vs. Input Voltage
1.250
FEEDBACK VOLTAGE (V)
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
1.205
0
5
I
OUT
= 10mA
V
OUT
= 1.8V
10 15 20 25
INPUT VOLTAGE (V)
30
200
INPUT CURRENT (µA)
180
160
140
120
100
80
60
40
20
0
0
Shutdown Current
vs. Input Voltage
605
SATURATION VOLTAGE (mV)
600
595
590
585
580
575
570
0
5
Saturation Voltage
vs. Input Voltage
V
EN
= 0V
5
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
I
OUT
= 1A
V
OUT
= 5V
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
Feedback Voltage
vs. Temperature
1.258
FEEDBACK VOLTAGE (V)
OUTPUT VOLTAGE (V)
1.248
1.238
1.228
1.218
1.208
I
OUT
= 10mA
V
IN
= 12V
V
OUT
= 1.8V
6
5
4
3
2
1
0
Shutdown Hysteresis vs.
Temperature
1.809
OUTPUT VOLTAGE (V)
1.808
1.807
1.806
1.805
1.804
1.803
1.802
0
Load Regulation
ON
OFF
1.198
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
-1
-50
V
OUT
= 13V
0.5 1 1.5 2 2.5 3
OUTPUT CURRENT (A)
3.5
0
50
100 150
TEMPERATURE (°C)
200
Line Regulation
1.83
THRESHOLD TRIP POINTS
OUTPUT VOLTAGE (V)
1.82
1.81
1.80
1.79
1.78
1.77
1.76
0
I
OUT
= 0.100A
5 10 15 20 25 30
OUTPUT CURRENT (A)
35
1.20
1.18
1.16
1.14
1.12
1.10
1.08
1.06
1.04
1.02
1.00
Enable Threshold
vs. Temperature
Upper Threshold
Lower Threshold
V
IN
= 12V
V
OUT
= 5V
I
OUT
= 100mA
-60
-40
-20
0
20
40
60
80
100
120
TEMPERATURE (°C)
140
MIC4685
6
September 2002