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International Rectifier Electronic Components Datasheet

IRS279524S Datasheet

RESONANT HALF-BRIDGE CONVERTER CONTROL IC

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IRS27951S
IRS27952(4)S
RESONANT HALF-BRIDGE CONVERTER CONTROL IC
Features
Simple primary-side control solution for fixed and variable
frequency DC-DC resonant converters.
Max 500kHz per channel output with 50% duty cycle
Floating channel bootstrap operation up to +600Vdc
Programmable minimum and maximum switching frequency
Programmable soft start frequency and soft start time
Programmable dead time
Micropower start-up & ultra low quiescent current
Over-current protection using low side MOSFET Rds(on)
User initiated micropower “Sleep mode”
Under-voltage Lockout
Simple design with minimal component count.
Lead-free
Product Summary
Topology
VOFFSET
VOUT
IO+ & IO- (typical)
Dead-time
(programmable)
Package Options
Typical Application
LCD & PDP TV
Telecom SMPS, PC SMPS
Home Audio Systems
IRS27951S/IRS27952S
Half-Bridge
600 V
VCC
300 mA & 900 mA
200ns~2us
14-lead SOIC
IRS279524S
Ordering Information
Base Part Number
Package Type
IRS27951
SOIC8N
IRS27952
SOIC8N
IRS279524
SOIC14N
Standard Pack
Form
Quantity
Tube/Bulk
95
Tape and Reel
2500
Tube/Bulk
95
Tape and Reel
2500
Tube/Bulk
55
Tape and Reel
2500
Complete Part Number
IRS27951SPBF
IRS27951STRPBF
IRS27952SPBF
IRS27952STRPBF
IRS279524SPBF
IRS279524STRPBF
1 www.irf.com © 2012 International Rectifier
November 8th, 2012
Free Datasheet http://www.datasheet4u.com/


International Rectifier Electronic Components Datasheet

IRS279524S Datasheet

RESONANT HALF-BRIDGE CONVERTER CONTROL IC

No Preview Available !

Typical Application Diagram
DC BUS
VIN
R1
R2
Dss Rss RT
Rmax
Css
CDC
Dbs
U1
1 VCC
2
RT
3 CT/SD
4 COM
IRS2795
VB 8
7
HO
VS 6
LO 5
CT
Rcc
Cbs
Rg1
Rg2
RTN
D3
M1
Lr
M2
Cr
IRS27951S
IRS27952(4)S
D1
COUT
LOAD
D2
Rled
Rbias
Cf 1
U2
Cf2 Rf2
U3
TL431
Rs1
Rs2
2 www.irf.com © 2012 International Rectifier
November 8th, 2012
Free Datasheet http://www.datasheet4u.com/


Part Number IRS279524S
Description RESONANT HALF-BRIDGE CONVERTER CONTROL IC
Maker International Rectifier
Total Page 28 Pages
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International Rectifier





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