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KA7525B

Description
0.5 A POWER FACTOR CONTROLLER, PDIP8
CategoryPower/power management    The power supply circuit   
File Size482KB,18 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
Environmental Compliance
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KA7525B Overview

0.5 A POWER FACTOR CONTROLLER, PDIP8

KA7525B Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerFairchild
Parts packaging codeDIP
package instructionDIP-8
Contacts8
Reach Compliance Codecompli
ECCN codeEAR99
Analog Integrated Circuits - Other TypesPOWER FACTOR CONTROLLER
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage30 V
Minimum input voltage8.9 V
Nominal input voltage12 V
JESD-30 codeR-PDIP-T8
length9.2 mm
Number of functions1
Number of terminals8
Maximum operating temperature125 °C
Minimum operating temperature
Maximum output current0.5 A
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP8,.3
Package shapeRECTANGULAR
Package formIN-LINE
Certification statusNot Qualified
Maximum seat height5.08 mm
surface mountNO
Switch configurationSINGLE
technologyBIPOLAR
Temperature levelOTHER
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
width7.62 mm
www.fairchildsemi.com
Power Factor Correction Controller
Features
• Internal Start-up Timer
• Internal Current Sense Blanking Which Eliminates the
Need for an External R/C filter
• Overvoltage Comparator Eliminates Runaway Output
Voltage
• Zero Current Detector
• One Quadrant Multiplier
• Trimmed 1.5% Internal Bandgap Reference
• Under Voltage Lock Out with 2.1V of Hysteresis
• Totem Pole Output with High State Clamp
• Low Start-up and Operating Current
• 8-Pin DIP or 8-Pin SOP.
KA7525B
Description
The KA7525B provides simple and high performance active
power factor correction. KA7525B is optimized for
electronic ballast and low power, high density power
supplies requiring a minimum board area, reduced
component count and low power dissipation. Addition of
internal current sense blanking (Internal R,C) eliminates the
need for an external R/C filter. Internal clamping of the error
amplifier and multiplier outputs improves turn on overshoot
characteristics and current limiting. Special circuitry has also
been added to prevent no load runaway conditions. Output
drive clamps limiting power MOSFET gate drive
independent of supply voltage greatly enhance the products
practical application.
Applications
• Electronic Ballast
• SMPS
8-DIP
1
8-SOP
1
Rev.1.0.1
©2002 Fairchild Semiconductor Corporation

KA7525B Related Products

KA7525B KA7525BD
Description 0.5 A POWER FACTOR CONTROLLER, PDIP8 0.5 A POWER FACTOR CONTROLLER, PDIP8
Is it Rohs certified? conform to conform to
Maker Fairchild Fairchild
Parts packaging code DIP SOIC
package instruction DIP-8 SOP, SOP8,.25
Contacts 8 8
Reach Compliance Code compli compli
ECCN code EAR99 EAR99
Analog Integrated Circuits - Other Types POWER FACTOR CONTROLLER POWER FACTOR CONTROLLER
control mode CURRENT-MODE CURRENT-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 30 V 30 V
Minimum input voltage 8.9 V 8.9 V
Nominal input voltage 12 V 12 V
JESD-30 code R-PDIP-T8 R-PDSO-G8
length 9.2 mm 4.9 mm
Number of functions 1 1
Number of terminals 8 8
Maximum operating temperature 125 °C 125 °C
Maximum output current 0.5 A 0.5 A
Package body material PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code DIP SOP
Encapsulate equivalent code DIP8,.3 SOP8,.25
Package shape RECTANGULAR RECTANGULAR
Package form IN-LINE SMALL OUTLINE
Certification status Not Qualified Not Qualified
Maximum seat height 5.08 mm 1.95 mm
surface mount NO YES
Switch configuration SINGLE SINGLE
technology BIPOLAR BIPOLAR
Temperature level OTHER OTHER
Terminal form THROUGH-HOLE GULL WING
Terminal pitch 2.54 mm 1.27 mm
Terminal location DUAL DUAL
width 7.62 mm 3.9 mm
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