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MP3910 Datasheet(PDF) 11 Page - Monolithic Power Systems

Part # MP3910
Description  Peak Current Mode Boost PWM Controller with Programmable Frequency, External Soft Start, and Light Load Operation
PDF  23 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP3910 Datasheet(HTML) 11 Page - Monolithic Power Systems

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MP3910 –PEAK CURRENT MODE BOOST CONTROLLER
MP3910 Rev. 1.11
www.MonolithicPower.com
11
11/6/2014
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
FUNCTION BLOCK DIAGRAM
EN/SYNC
Regulator
Oscillator and
Slope
Compensation
VIN
VCC
PWM
Logic
Driver
+
-
+
-
PWM
Comparator
GATE
GND
Rsense
SS
COMP
RT
+
-
1.237V
Enable
Control
OCP
+
-
OCP
0.185V
Current Sense
Amplifier
Clock
Gain
EA
R
S
Slope Comp
Burst mode
0.7V
3R
7R
UVLO
+
-
SCP
0.35V
OVP
Restart
OL/OV/SC
Protection
FB
Soft-start
OLP Timer
54 A
1.66 A17.8 A
+
-
0.2V
+
-
3.27V
OLP
Protection
Q
50us
timer
3.65V
MODE
Detection
+
-
1.438V
OVP
3.6V
MODE
R
Error Amplifier
EA Out
OL/OV/SC
Protection
VOUT
VIN
VIN
VOUT
ISENSE
Figure 1: Functional Block Diagram



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