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參數(shù)資料
| 型號： | EV0059 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1.2A Synchronous Rectified Step-Down Converter |
| 中文描述： | 1.2A的同步整流降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 309K |
| 代理商： | EV0059 |
MP1567 – 1.2A SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
MP1567 Rev. 2.3
1/3/2006
www.MonolithicPower.com
5
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
MP1567_BD01
EN
IN
FB
PGND
C7
SW
L1
BP
V
BP
2.4V
V
BP
V
IN
2.6V to 6V
SGND
V
OUT
OFF ON
800KHz
OSCILLATOR
RAMP
PWM
COMPARATOR
ENABLE
CKT & LDO
REGULATOR
GATE
DRIVE
REGULATOR
UVLO &
THERMAL
SHUTDOWN
CURRENT
LIMIT
COMPARATOR
CONTROL
LOGIC
--
+
Vdr
Vdr
Vdr
SS
C5
V
FB
0.9V
GM
ERROR
AMPLIFIER
CURRENT
LIMIT
THRESHOLD
--
--
+
COMP
R3
C3
--
--
+
+
CURRENT
SENSE
AMPLIFIER
--
+
BS
Figure 1—Functional Block Diagram
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|---|---|
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