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MP24971DN Folha de dados(PDF) 8 Page - Monolithic Power Systems

Nome de Peças MP24971DN
Descrição Electrónicos  1.5A, 50V, 100kHz, 5V Fixed Output Step- Down Converter with Programmable Current Limit and Output Line-Drop Compensation
PDF  14 Pages
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Fabricante Electrônico  MPS [Monolithic Power Systems]
Página de início  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP24971DN Folha de dados(HTML) 8 Page - Monolithic Power Systems

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MP24971 –1.5A, 50V, 100kHz, 5V FIXED OUTPUT STEP-DOWN CONVERTER
MP24971 Rev. 1.01
www.MonolithicPower.com
8
1/6/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
FUNCTIONAL BLOCK DIAGRAM
REGULATOR
REFERENCE
63mO
CURRENT SENSE
AMPLIFIER
REGULATOR
DRIVER
Σ
OSCILLATOR
RAMP
S
Q
R
PWM
COMPARATOR
C1
1pF
R1
1704kO
C2
50pF
CLK
ERROR
AMPLIFIER
VIN
VOS
BST
SW
ISP
ISN
Hiccup
Current Limit
GND
600mV
10000kO
10pF
200mV
IN
X6
RS1
RS2
800mV
SS Circuit
6.2uA
OVP
COMPARATOR
1.23V
VOC
RTOP
300kO
RBOT
57.14kO
RC
RSENSE
NMOSFET
JFET
JFET
OUT
Figure 1—Function Block Diagram



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