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MPQ4485 Datasheet(PDF) 9 Page - Monolithic Power Systems

Part # MPQ4485
Description  36V, 6A, Step-Down Converter with Dual USB Charging Ports Supporting Type-C 5V 3A DFP Mode and BC1.2 CDP Mode for Automotive, AEC-Q100 Qualified
PDF  22 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MPQ4485 Datasheet(HTML) 9 Page - Monolithic Power Systems

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MPQ4485
– STEP-DOWN CONVERTER WITH DUAL USB CHARGING PORTS
MPQ4485 Rev.1.0
www.MonolithicPower.com
9
9/18/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = 12V, VOUT = 5.17V, L = 4.7µH, TA = 25°C, set USB1 to Type-C 5V @ 3A DFP mode, set USB2
to CDP mode, unless otherwise noted.
Output Ripple
USB1_Io = USB2_Io = 0A
Output Ripple
USB1_Io = 3A, USB2_Io = 2.4A
CH1:
USB1_VOUT/AC
20mV/div.
CH2:
USB2_VOUT/AC
20mV/div.
CH3: VSW
10V/div.
CH4: IL
2A/div.
CH1:
USB1_VOUT/AC
20mV/div.
CH2:
USB2_VOUT/AC
20mV/div.
CH3: VSW
10V/div.
CH4: IL
5A/div.
2µs/div.
2µs/div.
Power Start-Up
USB1_Io = USB2_Io = 0A
Power Start-Up
USB1_Io = 3A, USB2_Io = 2.4A
CH1:
USB1_VOUT
5V/div.
CH2:
USB2_VOUT
5V/div.
CH3: VIN
10V/div.
R1: USB1_IOUT
5A/div.
CH4:USB2_IOUT
5A/div.
CH1:
USB1_VOUT
5V/div.
CH2:
USB2_VOUT
5V/div.
CH3: VIN
10V/div.
R1: USB1_IOUT
5A/div.
CH4:USB2_IOUT
5A/div.
40ms/div.
40ms/div.
Power Shutdown
USB1_Io = USB2_Io = 0A
Power Shutdown
USB1_Io = 3A, USB2_Io = 2.4A
CH1:
USB1_VOUT
5V/div.
CH2:
USB2_VOUT
5V/div.
CH3: VIN
10V/div.
R1: USB1_IOUT
5A/div.
CH4:USB2_IOUT
5A/div.
CH1:
USB1_VOUT
5V/div.
CH2:
USB2_VOUT
5V/div.
CH3: VIN
10V/div.
R1: USB1_IOUT
5A/div.
CH4:USB2_IOUT
5A/div.
40ms/div.
4ms/div.



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