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MP2452 数据表(PDF) 5 Page - Monolithic Power Systems

部件名 MP2452
功能描述  1A, 36V, 1MHz Step-Down Converter
PDF  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP2452 数据表(HTML) 5 Page - Monolithic Power Systems

  MP2452 Datasheet HTML 1Page - Monolithic Power Systems MP2452 Datasheet HTML 2Page - Monolithic Power Systems MP2452 Datasheet HTML 3Page - Monolithic Power Systems MP2452 Datasheet HTML 4Page - Monolithic Power Systems MP2452 Datasheet HTML 5Page - Monolithic Power Systems MP2452 Datasheet HTML 6Page - Monolithic Power Systems MP2452 Datasheet HTML 7Page - Monolithic Power Systems MP2452 Datasheet HTML 8Page - Monolithic Power Systems MP2452 Datasheet HTML 9Page - Monolithic Power Systems Next Button
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MP2452―1A, 36V, 1MHz, STEP-DOWN CONVERTER
MP2452 Rev. 1.0
www.MonolithicPower.com
5
9/27/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 12V, C1 = 4.7µF, C2 = 10µF, L = 6.8µH and TA = +25°C, unless otherwise noted.
1us/div
VSW
10V/div.
.
VOUT
(AC coupled)
10mV/div.
IL
500mA/div
Steady State
VIN=12V,VOUT=5V,IOUT=0.1A
SW
10V/div.
VOUT
(AC coupled)
10mV/div.
IL
500mA/div.
Steady State
VIN=12V,VOUT=5V,IOUT=0.6A
Steady State
VIN=12V,VOUT=5V,IOUT=1A
1us/div
VSW
10V/div.
IL
1A/div
VOUT
(AC coupled)
10mV/div.
1us/div
400us/div
VSW
10V/div.
VEN
2V/div.
VOUT
5V/div.
IL
500mA/div.
Startup Through EN
VIN=12V,VOUT=5V,IOUT=0.1A
Startup Through EN
VIN=12V,VOUT=5V,IOUT=0.6A
Startup Through EN
VIN=12V,VOUT=5V,IOUT=1A
400us/div
400us/div
VSW
10V/div.
VEN
2V/div.
VOUT
5V/div.
IL
500mA/div.
VSW
10V/div.
VEN
2V/div.
VOUT
5V/div.
IL
1A/div.
Current Limit vs. Duty Cycle
DUTY CYCLE (%)
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2
0
20
40
60
80
100
Efficiency
VOUT=2.5V
Efficiency
VOUT=3.3V
OUTPUT CURRENT(mA)
OUTPUT CURRENT(mA)
40
45
50
55
60
65
70
75
80
85
90
10
100
1000
40
45
50
55
60
65
70
75
80
85
90
10
100
1000
VIN=6V
VIN=12V
VIN=12V
VIN=24V
VIN=24V
VIN=36V
VIN=8V



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