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MIC2297 데이터시트(PDF) 4 Page - Micrel Semiconductor

부품명 MIC2297
상세설명  40V PWM Boost Regulator White LED Driver
PDF  11 Pages
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제조업체  MICREL [Micrel Semiconductor]
홈페이지  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2297 데이터시트(HTML) 4 Page - Micrel Semiconductor

  MIC2297 Datasheet HTML 1Page - Micrel Semiconductor MIC2297 Datasheet HTML 2Page - Micrel Semiconductor MIC2297 Datasheet HTML 3Page - Micrel Semiconductor MIC2297 Datasheet HTML 4Page - Micrel Semiconductor MIC2297 Datasheet HTML 5Page - Micrel Semiconductor MIC2297 Datasheet HTML 6Page - Micrel Semiconductor MIC2297 Datasheet HTML 7Page - Micrel Semiconductor MIC2297 Datasheet HTML 8Page - Micrel Semiconductor MIC2297 Datasheet HTML 9Page - Micrel Semiconductor Next Button
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Micrel
MIC2297
Mach 2008
4
M9999-032708
Typical Characteristics
3
3.5
4
4.5
5
5.5
6
23
45
67
89 10
INPUT VOLTAGE (V)
Supply Current
vs. Input Voltage
Not Switching
VFB = 1V
95
96
97
98
99
100
23
45
67
89 10
INPUT VOLTAGE (V)
Max Duty Cycle
vs. Input Voltage
400
500
600
700
800
23
45
67
89 10
INPUT VOLTAGE (V)
Frequency
vs. Input Voltage
0
200
400
600
800
1000
1200
0
500
1000
1500
SWITCH CURRENT (mA)
Switch Current
vs. Switch Voltage
VIN = 3.6V
190
195
200
205
210
215
220
23
45
67
89 10
INPUT VOLTAGE (V)
Switch Voltage
vs. Input Voltage
IFSWITCH = 0.5A
10
12
14
16
18
20
23
45
67
89 10
INPUT VOLTAGE (V)
LED Current
vs. Input Voltage
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
23
45
67
89 10
INPUT VOLTAGE (V)
BRT Voltage
vs. Input Voltage
100
120
140
160
180
200
220
240
260
280
300
23
45
67
89 10
INPUT VOLTAGE (V)
FB Voltage
vs. Input Voltage
0
5
10
15
20
25
30
10001200
BRT VOLTAGE (mV)
LED Current
vs. BRT Voltage
RSENSE
0
50
100
150
200
250
300
FB Voltage
vs. BRT Voltage
10001200
BRT VOLTAGE (mV)
70
72
74
76
78
80
23
45
67
89 10
INPUT VOLTAGE (V)
Efficiency for 10 LEDs @ 20mA
vs. Input Voltage
L = 6.8µH
40
45
50
55
60
65
70
75
80
0
5
10 15 20 25 30 35
LED CURRENT (mA)
Efficiency for 10 LEDs
vs. LED Current
L = 6.8µH
VIN = 3.2V
VIN = 3.6V
VIN = 4.2V



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