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MP2497DN Folha de dados(PDF) 7 Page - Monolithic Power Systems

Nome de Peças MP2497DN
Descrição Electrónicos  3A, 50V, 100kHz Step-Down Converter with Programmable Output OVP Threshold
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

MP2497DN Folha de dados(HTML) 7 Page - Monolithic Power Systems

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MP2497 – 3A, 50V, 100kHz STEP-DOWN CONVERTER
MP2497 Rev. 1.12
www.MonolithicPower.com
7
12/22/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
BLOCK DIAGRAM
REGULATOR
REFERENCE
63mO
CURRENT SENSE
AMPLIFIER
REGULATOR
DRIVER
Σ
OSCILLATOR
RAMP
S
Q
R
PWM
COMPARATOR
72.8pF
2483kO
6pF
CLK
ERRPR
AMPLIFIER
VIN
FB
BST
SW
ISP
ISN
RSENSE
1.23V
OVP
COMPARATOR
OVP
Hiccup
Current Limit
GND
600mV
10000kO
10pF
400kO
R1
R2
200mV
IN
X 6
RS1
RS2
800mV
SS Circuit
6.2uA
Figure 1—Functional Block Diagram



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