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NB669 Datasheet(PDF) 9 Page - Monolithic Power Systems

Part # NB669
Description  24V, High Current Synchronous Buck Converter With LDO
PDF  19 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

NB669 Datasheet(HTML) 9 Page - Monolithic Power Systems

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NB669, 24V, HIGH CURRENT SYNCHRONOUS BUCK CONVERTER WITH LDO
NB669 Rev. 1.01
www.MonolithicPower.com
9
7/23/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
BLOCK DIAGRAM
VIN
ENLDO
LDO
Gate
control
Logic
On Time
One Shot
Fault
logic
Soft-
start
POR &
Reference
0.6V VREF
1V
130% VREF
OVP
OCP
POK
UVP
Min off time
VOUT
EN
95% VREF
60% VREF
LDO
Control
Vcc
Vcc
Regulator
LDO
Switch-over
VOUT
VOUT
VIN
SW
BSTREG
VIN
BST
SW
PGND
PG
CLK
generator
CLK
VCC
AGND
VFB
Figure 1—Functional Block Diagram



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