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MP8774 数据表(PDF) 14 Page - Monolithic Power Systems

部件名 MP8774
功能描述  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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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP8774 数据表(HTML) 14 Page - Monolithic Power Systems

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MP8774
– 18V, 12A, SYNCHRONOUS, STEP-DOWN CONVERTER
MP8774 Rev. 1.0
www.MonolithicPower.com
14
1/15/2018
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
BLOCK DIAGRAM
BUF
GND
SS
VCC
3.3V
LDO
HS
Driver
LS
Driver
Current
Modulator
On
Timer
SW
BST
VIN
VCC
PG
EN
Bias &
Voltage
reference
FB
90%Vref rising
EA
COMP
Logic
Control
Main
switch(NCH)
Synchronous
rectifier (NCH)
Bootstrap
Regulator
Ramp
PWM
Iss
80% Vref falling
Current Sense
Amplifier
AGND
3.3MΩ
Figure 1: Functional Block Diagram



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