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MP38870 Datasheet(PDF) 5 Page - Monolithic Power Systems

Part # MP38870
Description  3A, 14V, 600KHz Step-Down Converter with Synchronizable Gate Driver
PDF  10 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP38870 Datasheet(HTML) 5 Page - Monolithic Power Systems

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MP38870 – 3A, 14V, 600KHz STEP-DOWN WITH SYNCHRONOUS GATE DRIVER
MP38870 Rev. 1.1
www.MonolithicPower.com
5
10/22/2009
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2009 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = 12V, VOUT = 3.3V, and TA = +28°C, unless otherwise noted.
Load Transient Response
Input Ripple Voltage
IOUT=3A
Output Ripple Voltage
IOUT=3A
Enable Startup
No Load
Enable Startup
Full Load
Power Up
No Load
Power Up
Full Load
VOUT
2V/div
VIN
5V/div
VOUT
2V/div
VIN
50mV/div
VSW
10V/div
VSW
5V/div
IINDUCTOR
2A/div
VSW
10V/div
VSW
10V/div
VOUT
50mV/div
VOUT
20mV/div
IINDUCTOR
2A/div
IINDUCTOR
2A/div
IINDUCTOR
2A/div
VOUT
2V/div
VEN
5V/div
VSW
20V/div
IINDUCTOR
5A/div
VOUT
2V/div
VEN
5V/div
VSW
20V/div
VSW
10V/div
IINDUCTOR
5A/div
VIN
10V/div
VOUT
2V/div
VSW
5V/div
IINDUCTOR
2A/div
400ns/div
2ms/div
4ms/div
4ms/div
2ms/div
Latch Off with
Output Short Circuit



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