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MP1542 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP1542
Description  700KHz/1.3MHz Boost Converter with a 2A Switch
PDF  10 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP1542 Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP1542 – 700KHz/1.3MHz BOOST CONVERTER WITH A 2A SWITCH
MP1542 Rev. 1.3
www.MonolithicPower.com
3
9/7/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = VEN = 5V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max
Units
SW On-Resistance
(4)
RON
0.18
Ω
SW Current Limit
(4)
Duty Cycle = 0%
2.6
A
SW Current Limit
(4)
Duty Cycle = 50%
2
A
SW Leakage
VSW = 20V
1
µA
Thermal Shutdown
(4)
160
°C
Note:
4) Guaranteed by design.
TYPICAL PERFORMANCE CHARACTERISTICS
Circuit on front page, VIN = 3.3V, VOUT = 8V, unless otherwise noted.
690
680
670
660
650
640
630
620
TEMPERATURE (
°C)
Frequency (700KHz) vs
Temperature
1.259
1.258
1.257
1.256
1.255
1.254
1.253
1.252
1.251
1.250
TEMPERATURE (
°C)
Feedback Voltage vs
Temperature
690
680
670
660
650
640
630
620
-45 -25 0 25 45 65 85 105125145
-45 -25 0 25 45 65 85 105125145
TEMPERATURE (
°C)
Quiescent Current vs
Temperature
-45 -25 0 25 45 65 85 105125145
Efficiency vs
Load Current
95
90
85
80
75
70
65
60
55
50
LOAD CURRENT (mA)
Efficiency vs
Load Current
100
95
90
85
80
75
70
65
60
55
50
1
10
100
1000
1
10
100
1000
LOAD CURRENT (mA)
Efficiency vs
Load Current
95
90
85
80
75
70
65
60
55
50
LOAD CURRENT (mA)
1
10
100
1000
VIN = 3.3V
VOUT = 12V
VIN = 3.3V
VOUT = 8V
VIN = 5V
VOUT = 12V



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