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MP1567DQ-LF-Z 查看數據表(PDF) - Monolithic Power Systems
零件编号
产品描述 (功能)
生产厂家
MP1567DQ-LF-Z
1.2A Synchronous Rectified Step-Down Converter
Monolithic Power Systems
MP1567DQ-LF-Z Datasheet PDF : 11 Pages
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TM
MP1567 – 1.2A SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
V
IN
IN
2.6V to 6V
EN
OFF ON
BP
SS
C5
ENABLE
CKT & LDO
REGULATOR
V
BP
2.4V
800KHz
OSCILLATOR
V
BP
GATE
DRIVE
REGULATOR
CURRENT
SENSE
Vdr
AMPLIFIER
+
--
Vdr
PWM
COMPARATOR
+
--
CONTROL
LOGIC
Vdr
RAMP
CURRENT
LIMIT
COMPARATOR
UVLO &
THERMAL
SHUTDOWN
+
--
+
--
CURRENT
LIMIT
THRESHOLD
--
GM --
ERROR
AMPLIFIER
+
V
FB
0.9V
BS
C7
SW
L1
PGND
FB
SGND
COMP
R3
C3
Figure 1—Functional Block Diagram
V
OUT
MP1567_BD01
MP1567 Rev. 2.3
www.MonolithicPower.com
5
1/3/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
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