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参数资料
| 型号： | MP2482DN |
| 厂商： | MONOLITHIC POWER SYSTEMS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 9 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | MS-012BA, SOIC-8 |
| 文件页数： | 6/11页 |
| 文件大小： | 350K |
| 代理商： | MP2482DN |
MP2482 – 5A, 30V, 420KHZ STEP-DOWN CONVERTER
MP2482 Rev.1.2
www.MonolithicPower.com
4
10/22/2009
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2009 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 12V, VOUT = 3.3V, IOUT = 5A, TA = +25C, unless otherwise noted.
PEAK
CURRENT
(A)
DUTY CYCLE (%)
Peak Current vs
Duty Cycle
Efficiency vs
Output Current
OUTPUT
VOL
TAGE
(V)
CASE
TEMPERA
TURE
(C)
INPUT VOLTAGE(V)
Operating Range
EFFICIENCY
(%)
123456
0
10
20
50
30
60
70
40
OUTPUT CURRENT (A)
Case Temperature vs
Output Current
Disabled Supply Current
vs Input Voltage
ENABLED
SUPPL
Y
CURRENT
(uA)
DISABLED
SUPPL
Y
CURRENT
(uA)
10
020
30
40
10
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
20
30
40
20
60
80
100
1
234
5
Enabled Supply Current
vs Input Voltage
V
CC
(V)
VCC Regulator Line
Regulation
INPUT VOLTAGE (V)
Line Regulation
NORMALIZED
OUTPUT
VOL
TAGE
NORMALIZED
OUTPUT
VOL
TAGE
OUTPUT CURRENT (A)
Load Regulation
VIN=12V
VIN=30V
0
1
23
45
1.005
1.000
0.995
0.990
0.985
0.980
I=5A
ICC=10mA
5
9
1317 2125 29
33
0
0.1
1
10
100
510
15 20
25 30
35
0.99995
1.00000
1.00005
1.00010
1.00015
1.00020
1.00025
1.00030
1.00035
0
3.5
3.7
3.9
4.1
4.3
4.5
4.7
4.9
510
15
20
25
30
800
850
900
950
1000
1050
1100
70
75
80
85
90
95
100
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
VFB=1V
VEN=0V
VIN=5V
VIN=30V
VIN=12V
VOUT<VIN-3V
Minimum On
Time Limit
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