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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. 1.2
www.MonolithicPower.com
3
12/14/2005
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 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)
MP1542-TPC03
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)
MP1542-TPC02
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)
MP1542-TPC01
Quiescent Current vs
Temperature
-45 -25 0 25 45 65 85 105125145
MP1542-EC03
Efficiency vs
Load Current
95
90
85
80
75
70
65
60
55
50
LOAD CURRENT (mA)
MP1542-EC02
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)
MP1542-EC01
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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