EV1542DK-00A Просмотр технического описания (PDF) - Monolithic Power Systems
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EV1542DK-00A Datasheet PDF : 10 Pages
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MP1542 – 700KHz/1.3MHz BOOST CONVERTER WITH A 2A SWITCH
ELECTRICAL CHARACTERISTICS (continued)
VIN = VEN = 5V, TA = +25°C, unless otherwise noted.
Parameter
SW On-Resistance (4)
SW Current Limit (4)
SW Current Limit (4)
Symbol Condition
RON
Duty Cycle = 0%
Duty Cycle = 50%
SW Leakage
Thermal Shutdown (4)
VSW = 20V
Note:
4) Guaranteed by design.
Min
Typ
Max Units
0.18
Ω
2.6
A
2
A
1
µA
160
°C
TYPICAL PERFORMANCE CHARACTERISTICS
Circuit on front page, VIN = 3.3V, VOUT = 8V, unless otherwise noted.
Efficiency vs
Load Current
100
95
90
85
80
75
70
65
60
55
50
1
VIN = 5V
VOUT = 12V
10
100
1000
LOAD CURRENT (mA)
MP1542-EC01
Efficiency vs
Load Current
95
90
85
80
75
70
65
60
55
50
1
VIN = 3.3V
VOUT = 8V
10
100
1000
LOAD CURRENT (mA)
MP1542-EC02
Efficiency vs
Load Current
95
90
85
80
75
70
65
60
55
50
1
VIN = 3.3V
VOUT = 12V
10
100
1000
LOAD CURRENT (mA)
MP1542-EC03
Quiescent Current vs
Temperature
690
680
670
660
650
640
630
620
-45 -25 0 25 45 65 85 105125145
TEMPERATURE (°C)
MP1542-TPC01
Feedback Voltage vs
Temperature
1.259
1.258
1.257
1.256
1.255
1.254
1.253
1.252
1.251
1.250
-45 -25 0 25 45 65 85 105125145
TEMPERATURE (°C)
MP1542-TPC02
Frequency (700KHz) vs
Temperature
690
680
670
660
650
640
630
620
-45 -25 0 25 45 65 85 105125145
TEMPERATURE (°C)
MP1542-TPC03
MP1542 Rev. 1.2
www.MonolithicPower.com
3
12/14/2005
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© 2005 MPS. All Rights Reserved.
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