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MP8774 Datenblatt(PDF) 6 Page - Monolithic Power Systems

Teilenummer MP8774
Bauteilbeschribung  12A, Wide Input 3V-18V, 700kHz Synchronous Step-Down Converter with PG and External Soft Start in 3x3mm QFN package
PDF  24 Pages
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Hersteller  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8774 Datenblatt(HTML) 6 Page - Monolithic Power Systems

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MP8774
– 18V, 12A, SYNCHRONOUS, STEP-DOWN CONVERTER
MP8774 Rev. 1.0
www.MonolithicPower.com
6
1/15/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 12V, VOUT = 1V, L = 0.56µH, TA = 25°C, unless otherwise noted.
Efficiency vs. Load Current
VOUT = 1V, L = 0.56
μH, DCR = 1.5mΩ
Efficiency vs. Load Current
VOUT = 1.2V, L = 0.56
μH, DCR = 1.5mΩ
60
65
70
75
80
85
90
95
100
0
2
4
6
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10
12
LOAD CURRENT(A)
VIN=5V
VIN=12V
VIN=18V
60
65
70
75
80
85
90
95
100
0
2
4
6
8
10
12
LOAD CURRENT(A)
VIN=5V
VIN=12V
VIN=18V
Efficiency vs. Load Current
VOUT = 1.5V, L = 0.56
μH, DCR = 1.5mΩ
Efficiency vs. Load Current
VOUT = 1.8V, L = 0.82
μH, DCR = 0.9mΩ
60
65
70
75
80
85
90
95
100
0
2
4
6
8
10
12
LOAD CURRENT(A)
VIN=5V
VIN=12V
VIN=18V
60
65
70
75
80
85
90
95
100
0
2
4
6
8
10
12
LOAD CURRENT(A)
VIN=5V
VIN=12V
VIN=18V
Efficiency vs. Load Current
VOUT = 2.5V, L = 0.82
μH, DCR = 0.9mΩ
Efficiency vs. Load Current
VOUT = 3.3V, L = 1
μH, DCR = 1.35mΩ
70
75
80
85
90
95
100
0
2
4
6
8
10
12
LOAD CURRENT(A)
VIN=5V
VIN=12V
VIN=18V
70
75
80
85
90
95
100
0
2
4
6
8
10
12
LOAD CURRENT(A)
VIN=5V
VIN=12V
VIN=18V



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