MP2108 데이터 시트보기 (PDF) - Monolithic Power Systems
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MP2108 Datasheet PDF : 12 Pages
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MP2108 – 2A, 6V, 740KHz SYNCHRONOUS BUCK CONVERTER
OPERATION
VIN
2
VIN
2.6V to 6V
C1
RUN
OFF ON
10
ENABLE
CKT & LDO
REGULATOR
VREF
C6
9
2.4V
720KHz
OSCILLATOR
VBP
SS
C5
6
CURRENT
GATE
DRIVE
REGULATOR
Vdr
SENSE
AMPLIFIER
+
--
PWM
COMPARATOR
+
--
CONTROL
LOGIC
Vdr
BST
1
LX
3
C7
L1
RAMP
CURRENT
LIMIT
COMPARATOR
UVLO &
THERMAL
SHUTDOWN
+
--
+
--
--
GM --
ERROR
AMPLIFIER
+
PGND
4
FB
7
CURRENT
LIMIT
THRESHOLD
VFB
0.9V
5
SGND
8
C4
COMP
R3
C3
VOUT
C2
R2
R1
Figure 1—Functional Block Diagram
MP2108 Rev 1.1
www.MonolithicPower.com
6
10/2/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
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