參數(shù)資料
型號(hào): MP1567DQ
廠商: MONOLITHIC POWER SYSTEMS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: 1.2A Synchronous Rectified Step-Down Converter
中文描述: 2 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, MO-229VEED-5, QFN-10
文件頁(yè)數(shù): 5/11頁(yè)
文件大?。?/td> 309K
代理商: MP1567DQ
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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