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CS5422 Datasheet(PDF) 1 Page - ON Semiconductor

Part No. CS5422
Description  Dual Out−of−Phase Synchronous Buck Controller with Current Limit
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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CS5422 Datasheet(HTML) 1 Page - ON Semiconductor

 
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© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. 7
1
Publication Order Number:
CS5422/D
CS5422
Dual Out−of−Phase
Synchronous
Buck Controller
with Current Limit
The CS5422 is a dual N−channel synchronous buck regulator
controller. It contains all the circuitry required for two independent
buck regulators and utilizes the V2™ control method to achieve the
fastest possible transient response and best overall regulation, while
using the least number of external components. The CS5422 features
out−of−phase synchronization between the channels, reducing the
input filter requirement. The CS5422 also provides undervoltage
lockout, Soft Start, built in adaptive FET non−overlap and hiccup
mode overcurrent protection. The part is available in a 16 Lead SO
Narrow or 24 Lead Fused SO Wide package allowing the designer to
minimize solution size.
Features
V2 Control Topology
Hiccup Mode Overcurrent Protection
150 ns Transient Response
Programmable Soft Start
100% Duty Cycle for Enhanced Transient Response
150 kHz to 600 kHz Programmable Frequency Operation
Switching Frequency Set by Single Resistor
Out−Of−Phase Synchronization Between the Channels Reduces the
Input Filter Requirement
Undervoltage Lockout
Internally Fused Leads available in 24 Lead SO Wide Package
CS5422GDR16
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
Device
Package
Shipping
ORDERING INFORMATION
CS5422GD16
SO−16
48 Units/Rail
SO−16
2500 Tape & Reel
VFB1
COMP1
IS+1
GATE(H)1
PIN CONNECTIONS AND
MARKING DIAGRAMS
GATE(L)1
GND
BST
IS−1
SO−16
D SUFFIX
CASE 751B
1
16
GATE(H)2
GATE(L)2
VCC
ROSC
IS+2
IS−2
VFB2
COMP2
CS5422GDWFR24
CS5422GDWF24
SO−24L
31 Units/Rail
SO−24L
1000 Tape & Reel
SO−24L
DWF SUFFIX
CASE 751E
LGND
LGND
LGND
LGND
LGND
LGND
LGND
LGND
ROSC
BST
VCC
PGND
GATE(L)2
GATE(L)1
GATE(H)2
GATE(H)1
IS+2
IS+1
IS−2
IS−1
1
24
COMP2
COMP1
VFB2
VFB1
16
24
1
1
SO−16
SO−24L
http://onsemi.com


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