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MIC2198BML 데이터시트(PDF) 4 Page - Micrel Semiconductor

부품명 MIC2198BML
상세설명  500kHz 4mm 횞 4mm Synchronous Buck Controller
PDF  14 Pages
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제조업체  MICREL [Micrel Semiconductor]
홈페이지  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2198BML 데이터시트(HTML) 4 Page - Micrel Semiconductor

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MIC2198
Micrel, Inc.
MIC2198
4
October 2005
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
-40 -20 02 04 06 08 0 100120140
TEMPERATURE (°C)
Quiescent Current
vs. Temperature
PWM
UVLO
Shutdown
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4
14 19 24 29 34
SUPPLY VOLTAGE (V)
Quiescent Current
vs. Supply Voltage
PWM
UVLO
Shutdown
9
0.790
0.795
0.800
0.805
0
10 15 20 25 30 35
SUPPLY VOLTAGE (V)
VFB
Line Regulation
5
0.795
0.800
0.805
0.810
0.815
0.820
-40 -20 02 04 06 08 0 100120140
TEMPERATURE (°C)
VFB
vs. Temperature
4.94
4.95
4.96
4.97
4.98
4.99
5.00
5.01
5.02
0
10
15
20
25
30
LOAD CURRENT (mA)
VDD
Load Regulation
5
4.80
4.85
4.90
4.95
5.00
5.05
5.10
5.15
5.20
-40 -20 02 04 06 08 0 100120140
TEMPERATURE (°C)
VDD
vs. Temperature
-10
-8
-6
-4
-2
0
2
4
6
8
10
-40 -20 02 04 06 08 0 100120140
TEMPERATURE (°C)
Oscillator Frequency
vs. Temperature
-0.15
-0.10
-0.05
0.00
0.05
0.10
0.15
0.20
0.25
0
10 15 20 25 30 35
SUPPLY VOLTAGE (V)
Oscillator Frequency
vs. Supply Voltage
5
Typical Characteristics
(VIN = 12V, unless otherwise noted)
64
66
68
70
72
74
76
78
-40 -20 02 04 06 08 0 100120140
TEMPERATURE (°C)
Overcurrent Threshold
vs. Temperature
V
IN = 5V
V
OUT = 3.3V
R
CS = 20mV
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
1
2
3
5
OUTPUT CURRENT (A)
Current Limit
Foldback
4
0
1.0
2.0
3.0
4.0
5.0
6.0
0
8 12 16 20 24 28
SUPPLY VOLTAGE (V)
VDD
Line Regulation
32
4



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