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IRS2540SPbF

Description
SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8
CategoryPower/power management    The power supply circuit   
File Size455KB,14 Pages
ManufacturerInternational Rectifier ( Infineon )
Websitehttp://www.irf.com/
Environmental Compliance
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IRS2540SPbF Overview

SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8

IRS2540SPbF Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerInternational Rectifier ( Infineon )
Parts packaging codeSOIC
package instructionSOP,
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresSINGLE SWITCHING CONFIGURATION ALSO POSSIBLE
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage15.6 V
Minimum input voltage9 V
Nominal input voltage14 V
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.9 mm
Humidity sensitivity level2
Number of functions1
Number of terminals8
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.75 mm
surface mountYES
Switch configurationPUSH-PULL
Maximum switching frequency500 kHz
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3.9 mm
Base Number Matches1
Data Sheet No. PD60293
IRS254(0,1)(S)PbF
LED BUCK REGULATOR CONTROL IC
Description
The IRS254(0,1) are high voltage, high frequency
buck control ICs for constant LED current regulation.
They incorporate a continuous mode time-delayed
hysteretic buck regulator to directly control the
average load current, using an accurate on-chip
bandgap voltage reference.
The application is inherently protected against short
circuit conditions, with the ability to easily add open-
circuit protection. An external high-side bootstrap
circuit drives the buck switching element at high
frequencies. A low-side driver is also provided for
synchronous rectifier designs. All functions are
realized within a simple 8 pin DIP or SOIC package.
Features
200 V (IRS2540) and 600 V (IRS2541) half bridge
driver
Micropower startup (<500
µA)
±2% voltage reference
140 ns deadtime
15.6 V zener clamp on V
CC
Frequency up to 500 kHz
Auto restart, non-latched shutdown
PWM dimmable
Small 8-Lead DIP/8-Lead SOIC packages
Packages
8-Lead PDIP
IRS254(0,1)PbF
8-LeadSOIC
IRS254(0,1)SPbF
Typical Application Diagram
VBUS
L2
VOUT
+
RS1
RS2
DBOOT
IC1
CVCC1
ROV1
CBUS2
CBUS1
DOV
ROV2
CEN
ENN
VCC
COM
1
2
8
7
6
5
VB
IRS254(0,1)
HO
RG1
CBOOT
DCLAMP
CVCC2
M1
L1
IFB
3
4
VS
LO
M2
RG2
COUT
VOUT
-
RF
RCS
ROUT
CF
COM
EN
DEN1
www.irf.com
Page 1

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Description SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8
Is it lead-free? Lead free Lead free Lead free Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to conform to conform to conform to
Maker International Rectifier ( Infineon ) International Rectifier ( Infineon ) International Rectifier ( Infineon ) International Rectifier ( Infineon ) International Rectifier ( Infineon ) International Rectifier ( Infineon )
Parts packaging code SOIC DIP DIP SOIC SOIC SOIC
package instruction SOP, DIP, DIP, SOP, SOP, SOP,
Contacts 8 8 8 8 8 8
Reach Compliance Code compliant compli compli compliant compliant compliant
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Other features SINGLE SWITCHING CONFIGURATION ALSO POSSIBLE SINGLE SWITCHING CONFIGURATION ALSO POSSIBLE SINGLE SWITCHING CONFIGURATION ALSO POSSIBLE SINGLE SWITCHING CONFIGURATION ALSO POSSIBLE SINGLE SWITCHING CONFIGURATION ALSO POSSIBLE SINGLE SWITCHING CONFIGURATION ALSO POSSIBLE
Analog Integrated Circuits - Other Types SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 15.6 V 15.6 V 15.6 V 15.6 V 15.6 V 15.6 V
Minimum input voltage 9 V 9 V 9 V 9 V 9 V 9 V
Nominal input voltage 14 V 14 V 14 V 14 V 14 V 14 V
JESD-30 code R-PDSO-G8 R-PDIP-T8 R-PDIP-T8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8
JESD-609 code e3 e3 e3 e3 e3 e3
length 4.9 mm 9.88 mm 9.88 mm 4.9 mm 4.9 mm 4.9 mm
Number of functions 1 1 1 1 1 1
Number of terminals 8 8 8 8 8 8
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP DIP DIP SOP SOP SOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE IN-LINE IN-LINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) 260 250 250 260 260 260
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.75 mm 5.33 mm 5.33 mm 1.75 mm 1.75 mm 1.75 mm
surface mount YES NO NO YES YES YES
Switch configuration PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL
Maximum switching frequency 500 kHz 500 kHz 500 kHz 500 kHz 500 kHz 500 kHz
Terminal surface Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING THROUGH-HOLE THROUGH-HOLE GULL WING GULL WING GULL WING
Terminal pitch 1.27 mm 2.54 mm 2.54 mm 1.27 mm 1.27 mm 1.27 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 30 30 30 30 30
width 3.9 mm 7.62 mm 7.62 mm 3.9 mm 3.9 mm 3.9 mm
Humidity sensitivity level 2 - - 2 2 2
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