| Description | The KA7526 provides simple and high performance active power factor correction. KA7526 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 R/C filter eliminates the nee... |
| Features |
• Internal Startup Timer • Internal R/C filter 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 5V of Hysteresis • Totem Pole Output with High State Clamp • Low Startup and Operating Current • 8-Pin DIP or 8-Pin SOP Descriptions The KA7526 provides simple and high performance active power factor correction. KA7526 is optimized for electronic ballast and low power, high density power supplies requiring a minimum... |
| Datasheet |
 KA7526 Datasheet - 250.41KB |
| Part Number | Description |
|---|---|
 HUAFUQIN |
single monolithic chip SHENZHEN HUAFUQIN ELECTRONICS CO.,LTD KA7500 KA7500 KA7500 http://www.hfq123.com 1 REV: A0 2009-12-1 SHENZHEN HUAFUQIN ELECTRONICS CO.,LTD KA7500 http://www.hfq123.com 2 REV: A0 2009-12-1 SHENZHEN HUAFUQIN ELECTRONICS CO.,LTD KA7500 http://www.hfq123.hqew.com 3 REV: A0 2009-12-1 SHENZHEN HUAFUQIN ELECTRONICS CO.,LTD KA7500 http://www.hfq123.com 4 REV: A0 2009-12-1 SHENZHEN HUAFUQIN ELECTRONICS CO.,LTD Typical Application Pulse Width Modulated Step-down Converter VI=10V to 40V KSA1010 47Ω 150Ω 0.1uF 1MΩ 12 Vcc 11 C2 83 C1 COMP INPUT -2 VREF 14 KA7500 - 15 +1 D.T GND E1 E2 O.C 4 7 9 10 13 + 50uF 50V RT CT +16 65 + 47kΩ 0.001uF KA7500 1mH,2A Vo=5V Io=1A ... |
 H&M Semiconductor |
Switching - type pulse width control circuit ... |
 Estek Electronics |
single monolithic chip The KA7500 incorporate on a single monolithic chip all the functions required in the construction of a pulse-width-modulation control circuit. Designed primarily for power supply control ,these devices offer the systems engineer the flexibility to tailor the power supply control circuitry to hos application. The K A7500 contains an error amplifier , anon-chip adjustable oscillator ,a dead- time control comparator ,pulse-steering control flip-flop ,a 5-volt, 1% precision regulator , and output-control circuits. The error amplifier exhibits a common-mode voltage range from -0.3 volts to Vcc -2 volts .The dead time control comparator has a fixed offset that provides approximately 5% deed time ... |
 Samsung |
VOLTAGE-MODE PWM CONTROLLER KA7500B Industrial CD-ROM(Edition 3.0) This Data Sheet is subject to change without notice. Page : 1 ( KA7500B ) (C) 1996 Samsung Electronics Printed in Korea. KA7500B Industrial CD-ROM(Edition 3.0) This Data Sheet is subject to change without notice. Page : 2 ( KA7500B ) (C) 1996 Samsung Electronics Printed in Korea. KA7500B Industrial CD-ROM(Edition 3.0) This Data Sheet is subject to change without notice. Page : 3 ( KA7500B ) (C) 1996 Samsung Electronics Printed in Korea. KA7500B Industrial CD-ROM(Edition 3.0) This Data Sheet is subject to change without notice. Page : 4 ( KA7500B ) (C) 1996 Samsung Electronics Printed in Korea. KA7500B Industrial CD-ROM(Edition 3.0) Thi... |
 Fairchild |
SMPS Controller The KA7500B is used for the control circuit of the PWM switching regulator. The KA7500B consists of 5V reference voltage circuit, two error amplifiers, a flip flop, an output control circuit, a PWM comparator, a dead time comparator and an oscillator. This device can be operated in the switching frequency of 1kHz to 300kHz. 16-DIP 1 16-SOP 1 Internal Block Diagram Rev. 1.0.0 ©2002 Fairchild Semiconductor Corporation KA7500B Absolute Maximum Ratings Parameter Supply Voltage Collector Supply Voltage Output Current Amplifier Input Voltage Power Dissipation (TA = 25°C) Operating Temperature Range Storage Temperature Range Symbol VCC VC IO VIN PD TOPR TSTG Value 42 42 250 VCC +0.3 1 (KA750... |
Fairchild |
SMPS Controller The KA7500C is used for the control circuit of the pulsewidth modulation switching regulator. The KA7500C consists of 5V reference voltage circuit, two error amplifiers, flip flop, an output control circuit, a PWM comparator, a dead-time comparator, and an oscillator. This device can be operated in the switching frequency of 1kHz to 300kHz. The precision of voltage reference (VREF) is improved up to ±1% with trimming. This provides a better output voltage regulation. The operating temperature range is -25°C ~ +85°C. 16-Lead DIP 16-Lead SOP Ordering Information Part Number Operating Temperature Range KA7500C KA7500CD KA7500CDTF -25 to +85°C Eco Status RoHS Package Packing Method 16-... |
Fairchild |
SMPS Controller The KA7511 drives, regulates and monitors the main switching element in a SMPS based on the nonsynchronous flyback theory. Because of the wide regulating range and the high voltage stability during large load changes, the power supplies for TV receivers and video recorders can be realized. 10-SIP H/S 1 Internal Block Diagram Rev. 5.0 ©2000 Fairchild Semiconductor International KA7511 Absolute Maximum Ratings (TA=25°C) Parameter Supply Voltage Reference Output Voltage Zero Passage Identification Voltage Control Amplifier Voltage Collector Current Simulation Voltage Blocking Input Voltage Base Current Cut-Off Point Voltage Base Current Amplifier Output Voltage Collector Current Simulatio... |
Fairchild |
SMPS Controller The KA7515 provides the necessary features to implement switching mode power supply with a minimal external parts count. Internally implemented circuits include 3V reference voltage block, supply voltage monitoring block to control output through supply voltage and overload amplifier block to control output by external road variation. The KA7515 controls the power MOSFET and performs all necessary regulation and monitoring function in free running flyback converters. 8-DIP 1 Internal Block Diagram Rev. 5.0 ©2000 Fairchild Semiconductor International KA7515 Absolute Maximum Ratings (TA=25°C) Parameter Supply Voltage Collector Supply Voltage Output current, Sink or Source Operating Tempe... |
 Fairchild Semiconductor |
ELECTRONIC BALLAST CONTROLLER KA7521 BALLAST CONTROLLER ELECTRONIC BALLAST CONTROLLER The KA7521 is a electronic ballast controller for fluorescent inverter system. It contains soft start, no lamp protection and over temperature protection. With the zero voltage switching, it can also provide low noise and low power loss. FEATURES • Dimming Control • 3 Step Soft start • ZVS Driving • DC feed-forward • No Lamp Protection • Over temperature protection with Variable Hysteresis • Option Comparator • Internal UVLO 16 DIP ORDERING INFORMATION Device KA7521 Package 16 DIP ÎOperating Temperature -25 ~ + 100 BLOCK DIAGRAM ©1999 Fairchild Semiconductor Corporation Rev. B KA7521 BALLAST CONTROLLER ABLOLUTE MAXIMUM RATI... |
Fairchild Semiconductor |
DIMMING BALLAST CONTROL IC KA7522/D DIMMING BALLAST CONTROL IC BALLAST CONTROL IC The KA7522 is a electronic ballast controller for fluorescent inverter systems. It contains whole function in KA7521, current feed back and preheating time controlled by temperature sensing. FEATURES • 3-step soft start • Input voltage limit & Brown out • Non Lamp detect, & Lamp reset • ZVS Guard control • Current feedback control • Preheating time controlled by temperature sensing 22 DIP 20 SOP BLOCK DIAGRAM Tsns 17 Rhys 18 ORDERING INFORMATION Device KA7522 KA7522D Package 22 SDIP 20 SOP Operating Temperature Î-25 ~ + 100 Î-25 ~ + 100 Vds Vgs 16 15 VCC 20 BROW N OUT OVER TEMPERATUR E IN P U T V LIM IT ZVS GUARD CONTRO... |
Fairchild Semiconductor |
DIMMING BALLAST CONTROL IC KA7522/D DIMMING BALLAST CONTROL IC BALLAST CONTROL IC The KA7522 is a electronic ballast controller for fluorescent inverter systems. It contains whole function in KA7521, current feed back and preheating time controlled by temperature sensing. FEATURES • 3-step soft start • Input voltage limit & Brown out • Non Lamp detect, & Lamp reset • ZVS Guard control • Current feedback control • Preheating time controlled by temperature sensing 22 DIP 20 SOP BLOCK DIAGRAM Tsns 17 Rhys 18 ORDERING INFORMATION Device KA7522 KA7522D Package 22 SDIP 20 SOP Operating Temperature Î-25 ~ + 100 Î-25 ~ + 100 Vds Vgs 16 15 VCC 20 BROW N OUT OVER TEMPERATUR E IN P U T V LIM IT ZVS GUARD CONTRO... |
 Unisonic Technologies |
POWER FACTOR CONTROLLER LINEAR INTEGRATED CIRCUIT POWER FACTOR CONTROLLER The UTC KA7524 provides the necessary features to implement the Electronic BALLAST control and S.M.P.S application for designing active power factor correction circuit FEATURES *Internal self-starting *Micro power start up mode *Included under voltage lockout circuit *Internal 1% reference *High output current: peak 500mA DIP-8 BLOCK DIAGRAM UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R114-001,A UTC KA7524 PARAMETER Supply Voltage Peak Driver Output Current Detect Clamping Diode Current Output Clamping Diode Current Operating Temperature Storage Temperature LINEAR INTEGRATED CIRCUIT SYMBOL Vcc Io(p) Idet Io(c.d) Topr Tstg ABSOLUTE M... |
 Contek |
POWER FACTOR CONTROLLER LINEAR INTEGRATED CIRCUIT POWER FACTOR CONTROLLER TheContek KA7524 provides the necessary features to implement the Electronic BALLAST control and S.M.P.S application for designing active power factor correction circuit FEATURES *Internal self-starting *Micro power start up mode *Included under voltage lockout circuit *Internal 1% reference *High output current: peak 500mA DIP-8 BLOCK DIAGRAM Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:[email protected] 1 KA7524 PARAMETER Supply Voltage Peak Driver Output Current Detect Clamping Diode Current Output Clamping Diode Current Operating Temperature Storage Temperature LINEAR INTEGRATED CIRCUIT C) ABSOLUTE M... |
Fairchild |
Power Factor Correction Controller www.fairchildsemi.com KA7524B Power Factor Correction Controller Features • • • • • Internal self-starting Micro power start up mode Included under voltage lockout circuit Internal 1% reference High output current : Peak 500mA Descripiton The KA7524B provides the necessary features to implement the Electronic BALLAST control and S.M.P.S application for designing on active power factor correction circuit. 8-DIP 1 8-SOP 1 Internal Block Diagram Rev. 5.0 ©2000 Fairchild Semiconductor International KA7524B Connection Diagram KA7524/KA7524D (8 DIP, 8 SOP) Absolute Maximum Ratings Parameter Supply Voltage Peak Driver Output Current Detect Clamping Diode Current Output Clamping Diode Cu... |
Fairchild |
Voltage Detector The KA75250/KA75270/KA75290/KA75310/KA75330/ KA75360/KA75390/KA75420/KA75450 prevents the error of system from supply voltage below normal voltage level at the time the power on and instantaneous power off in systems. TO-92 1 SOT-89 1 1. Input 2. GND 3. Output Internal Block Diagram INPUT 1 1:TO-92 3:SOT-89 3 OUT 3:TO-92 1:SOT-89 VREF 2 GND 2:TO-92 2:SOT-89 Rev. 1.0.3 ©2002 Fairchild Semiconductor Corporation KA75XXX Absolute Maximum Rating (TA=25°C) Characteristic Supply Voltage Detecting Voltage Hysteresis Voltage Operating Temperature Storage Temperature Power Dissipation TO-92 SOT-89 Detecting Voltage Temperature Coefficient Symbol Vcc VDET VHYS TOPR TSTG PD ∆VDET/∆T Value 0... |
Fairchild |
Voltage Detector The KA75250/KA75270/KA75290/KA75310/KA75330/ KA75360/KA75390/KA75420/KA75450 prevents the error of system from supply voltage below normal voltage level at the time the power on and instantaneous power off in systems. TO-92 1 SOT-89 1 1. Input 2. GND 3. Output Internal Block Diagram INPUT 1 1:TO-92 3:SOT-89 VREF GND 2 2:TO-92 2:SOT-89 ©2002 Fairchild Semiconductor Corporation 3 OUT 3:TO-92 1:SOT-89 Rev. 1.0.3 KA75XXX Absolute Maximum Rating (TA=25°C) Characteristic Supply Voltage Symbol Vcc Detecting Voltage VDET Hysteresis Voltage Operating Temperature Storage Temperature Power Dissipation TO-92 SOT-89 Detecting Voltage Temperature Coefficient VHYS TOPR TSTG PD ∆VDET/∆T Value ... |
Fairchild |
Voltage Detector The KA75250/KA75270/KA75290/KA75310/KA75330/ KA75360/KA75390/KA75420/KA75450 prevents the error of system from supply voltage below normal voltage level at the time the power on and instantaneous power off in systems. TO-92 1 SOT-89 1 1. Input 2. GND 3. Output Internal Block Diagram INPUT 1 1:TO-92 3:SOT-89 VREF GND 2 2:TO-92 2:SOT-89 ©2002 Fairchild Semiconductor Corporation 3 OUT 3:TO-92 1:SOT-89 Rev. 1.0.3 KA75XXX Absolute Maximum Rating (TA=25°C) Characteristic Supply Voltage Symbol Vcc Detecting Voltage VDET Hysteresis Voltage Operating Temperature Storage Temperature Power Dissipation TO-92 SOT-89 Detecting Voltage Temperature Coefficient VHYS TOPR TSTG PD ∆VDET/∆T Value ... |