EVM3810-QB-25-01A Datasheet, PDF (13/17 Pages) MPS Industries, Inc. – 6V Input, 1.2A Module Synchronous Step-Down Converter with Integrated Inductor

MPM3810 –6V, 1.2A PEAK SIMPLE MODULE WITH INTEGRATED INDUCTOR
FUNCTIONAL BLOCK DIAGRAM
VIN
EN
FB
OUT_S
Bias
&
Voltage
Reference
Soft start
0. 6V
+
+ E.A.
-
Lo-Iq
Ramp
generator
+
+ FBCOMP
-
Lo - Iq
SW
FB for
fixed output
0. 66V
0. 54V
+
COMP
-
+
COMP
-
RST
Constant
On- Time
Pulse
PW M
EN
VOUT
PWM
PDRV
Driver
Lo -Iq
NDRV
Hi-Z
+
COMP
-
Lo-Iq
VTH
M ain
Switch
( PCH)
Synchronous
Rectifier
( NCH)
IN
+
COMP
-
Lo-Iq
SW
Integrated Inductor
0 .47 uH
OUT
PGND
AGND
PG
Figure 1: Functional Block Diagram
MPM3810 Rev. 1.1
www.MonolithicPower.com
13
12/8/2014
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