UNITRODE SOFTSTART Search Results

thermal resistance PLCC20

Contextual Info: UC1823 UC2823 UC3823 UNITRODE High Speed PWM Controller FEATURES DESCRIPTION Compatible with Voltage or Current-Mode Topologies Practical Operation @ Switching Frequencies to 1.0MHz 50ns Propagation Delay to Output High Current Totem Pole Output 1.5A peak

LA 7687 A

Contextual Info: y UNITRODE Isolated Boost PFC Preregulator Controller FEATURES PFC With Isolation, VO < VIN Single Power Stage Zero Current Switched IGBT Programmable ZCS Time Corrects PF to >0.99 Fixed Frequency, Average Current Control Improved RMS Feedforward Soft Start

PUSHPULL CONVERTER TRANSFORMER DESIGN NOTES

Abstract: Royer resonant ZVS Royer Royer oscillator zvs in buck converter design and implementation push-pull zvs Royer oscillator circuit diagram MOSFET Royer oscillator current fed push pull topology U-141
Contextual Info: U-141 APPLICATION NOTES Resonant Fluorescent Lamp Converter Provides Efficient and Compact Solution Mark Jordan John A. O’Connor Senior Design Engineer Applications Engineer Unitrode Integrated Circuits Merrimack, NH 03054 Abstract - This paper describes a zero voltage

LA 7687 a

Abstract: analog 7368
Contextual Info: y UCC1857 UCC2857 UCC3857 UNITRODE Isolated Boost PFC Preregulator Controller FEATURES PFC With Isolation, VO < VIN Single Power Stage Zero Current Switched IGBT Programmable ZCS Time Corrects PF to >0.99 Fixed Frequency, Average Current Control Improved RMS Feedforward

Contextual Info: M UCC1857 UCC2857 UCC3857 UNITRODE Isolated Boost PFC Preregulator Controller FEATURES PFC With Isolation, VO < VIN Single Power Stage Zero Current Switched IGBT Programmable ZCS Time Corrects PF to >0.99 Fixed Frequency, Average Current Control Improved RMS Feedforward

push-pull zcs

Contextual Info: [Ul UCC1857 UCC2857 UCC3857 UNITRODE Isolated Boost PFC Preregulator Controller FEATURES PFC With Isolation, VO < VIN Single Power Stage Zero Current Switched IGBT Programmable ZCS Time Corrects PF to >0.99 Fixed Frequency, Average Current Control Improved RMS Feedforward

ZVS Royer

Abstract: push-pull zvs Royer oscillator Royer oscillator circuit diagram Royer resonant zvs in buck converter design and implementation 12v schematic of fluorescent lamps cold cathode spice Royer converter laptop LCD SCHEMATIC
Contextual Info: U-141 APPLICATION NOTES Resonant Fluorescent Lamp Converter Provides Efficient and Compact Solution Mark Jordan John A. O’Connor Senior Design Engineer Applications Engineer Unitrode Integrated Circuits Merrimack, NH 03054 Abstract - This paper describes a zero voltage

INCAP LIMITED CAPACITORS

Contextual Info: y UCC2585 UCC3585 UNITRODE PRELIMINARY Low Voltage Synchronous Buck Controller FEATURES DESCRIPTION • Resistor Programmable 1.25V to 4.5V VoUT The UCC2585/UCC3585 synchronous Buck controller provides flexible high efficiency power conversion for output voltages as low as 1.25V with

Contextual Info: UCC3954 ADVANCED INFORMATION UNITRODE Single Cell Lithium-Ion to +3.3V Converter Load Disconnect in Shutdown • High Efficiency Flyback Operation • Internal 0.15£i Switch • Low Battery LED Driver • Internal 2A Current Limit • Internal 200kHz Oscillator

5001ms

Contextual Info: UC1526 UC2526 UC3526 UNITRODE Regulating Pulse Width Modulator FEATURES 8 To 35V Operation 5V Reference Trimmed To ±1 % 1Hz To 400kHz Oscillator Range Dual 100mA Source/Sink Outputs Digital Current Limiting Double Pulse Suppression Programmable Deadtime Under-Voltage Lockout

pin diagram of RS 485

Abstract: UC2526A
Contextual Info: UC1526A UC2526A UC3526A UNITRODE Regulating Pulse Width Modulator Precision Band-Gap Reference 7 to 35V Operation Dual 200mA Source/Sink Outputs Minimum Output Cross-Conduction Double-Pulse Suppression Logic Under-Voltage Lockout Programmable Soft-Start Thermal Shutdown

UC3909 24V

Abstract: 10A PWM lead acid Charger uc3906 Battery 24V schematic diagram inverter 500w USING MOSFET schematic diagram PWM inverter 500w uc3906 Battery 12v keystone carbon thermistor schematic diagram 12V battery charger regulator uc3909 Battery 12V mosfet base inverter with chargers circuit
Contextual Info: UNITRODE CORPORATION U-155 IMPLEMENTING MULTI-STATE CHARGE ALGORITHM WITH THE UC3909 SWITCHMODE LEAD-ACID BATTERY CHARGER CONTROLLER By Laszlo Balogh INTRODUCTION Applications of lead-acid batteries for primary as well as backup power sources has been increased

SEM-700 Closing The Feedback Loop

Abstract: schematic diagram inverter 500w free schematic diagram inverter 500w USING MOSFET uc3906 Design Seminar IR2125 CIRCUIT SCHEMATIC uc3909 Battery 12V mathcad 500W forward converter design uc3906 Battery 12v uc3906 Battery 24V UC3909 24V
Contextual Info: UNITRODE CORPORATION U-155 IMPLEMENTING MULTI-STATE CHARGE ALGORITHM WITH THE UC3909 SWITCHMODE LEAD-ACID BATTERY CHARGER CONTROLLER By Laszlo Balogh INTRODUCTION Applications of lead-acid batteries for primary as well as backup power sources has been increased

Contextual Info: UCC2915 UCC3915 PRELIMINARY UNITRODE 15V Programmable Hot Swap Power Manager FEATURES Integrated 0.15 Ohm Power MOSFET 7 V to 15V Operation Digital Programmable Current Limit from 0 to 3A 100|iA Icc when Disabled Programmable ON Time Programmable Start Delay

Contextual Info: UC1525A/27A UC2525A/27A UC3525A/27A UNITRODE Regulating Pulse Width Modulators FEATURES 8 to 35V Operation 5.1V Reference Trimmed to ± 1% 100Hz to 500kHz Oscillator Range Separate Oscillator Sync Terminal Adjustable Deadtime Control Internal Soft-Start Pulse-by-Pulse Shutdown

UC3824 unitrode

Contextual Info: UC1824 UC2824 UC3824 y ^ UNITRODE High Speed PWM Controller FEATURES Complementary Outputs Practical Operation Switching Frequencies to 1MHz 50ns Propagation Delay to Output High Current Dual Totem Pole Outputs 1.5A Peak Wide Bandwidth Error Amplifier Fully Latched Logic with Double Pulse

IRF3103

Abstract: ap amp mosfet 200 rms
Contextual Info: UCC1588/-1 UCC2588/-1 UCC3588/-1 UNITRODE ADVANCE INFORMATION 5-Bit Programmable Output BiCMOS Power Supply Controller FEATURES DESCRIPTION • 5-Bit Digital-to-Analog Converter DAC supports Intel Pentium II The UCC1588 synchronous step-down (Buck) regulator provides accurate

Contextual Info: UC1525A/27A UC2525A/27A UC3525A/27A — UNITRODE Regulating Pulse Width Modulators FEATURES DESCRIPTION • The UC1525A/1527A series of pulse width modulator integrated circuits are de­ signed to offer improved performance and lowered external parts count when used

hp laptop charging CIRCUIT diagram

Contextual Info: y _ UNITRODE UC1874-1 ,-2 UC2874-1,-2 UC3874-1 ,-2 High Efficiency, Synchronous, Step-down Buck Controllers FEATURES DESCRIPTION Operation to 36V Input Voltage Fixed Frequency Average Current Mode Control Standby Mode for Improved Efficiency at Light Load

Designing a Phase Shifted Zero Voltage Transition ZVT Power Converter

Abstract: DESIGN WITH UC3875 UC3875 ZVS design UC3879 application notes ZVT full bridge pwm controller ZVT full bridge pwm controller uc3875 ZVT uc3875 unitrode u136 Unitrode uc3875 phase shifted full-bridge ZVS dc-dc converter
Contextual Info: U-154 UNITRODE CORPORATION THE NEW UC3879 PHASE-SHIFTED PWM CONTROLLER SIMPLIFIES THE DESIGN OF ZERO VOLTAGE TRANSITION FULL-BRIDGE CONVERTERS by Laszlo Balogh INTRODUCTION This Application Note will introduce the UC3879 integrated circuit and compare its performance to

unitrode u136

Abstract: uc3879 Application Note DESIGN WITH UC3875 ZVT full bridge pwm controller uc3875 UC3875 ZVS design Unitrode U-136 Designing a Phase Shifted Zero Voltage Transition ZVT Power Converter ZVT full bridge pwm controller phase shifted full-bridge ZVS dc-dc converter UC3879 equivalent
Contextual Info: UNITRODE CORPORATION U-154 THE NEW UC3879 PHASE-SHIFTED PWM CONTROLLER SIMPLIFIES THE DESIGN OF ZERO VOLTAGE TRANSITION FULL-BRIDGE CONVERTERS by Laszlo Balogh INTRODUCTION This Application Note will introduce the UC3879 integrated circuit and compare its performance to

ZVT full bridge pwm controller

Abstract: Designing a Phase Shifted Zero Voltage Transition ZVT Power Converter ZVT full bridge pwm controller uc3875 ZVT uc3875 Unitrode uc3875 UC3875 ZVS design DESIGN WITH UC3875 UC3875 dc/dc converter phase shifted full-bridge ZVS dc-dc converter UC3879 application notes
Contextual Info: U-154 UNITRODE CORPORATION THE NEW UC3879 PHASE-SHIFTED PWM CONTROLLER SIMPLIFIES THE DESIGN OF ZERO VOLTAGE TRANSITION FULL-BRIDGE CONVERTERS by Laszlo Balogh INTRODUCTION This Application Note will introduce the UC3879 integrated circuit and compare its performance to

unitrode U-111

Contextual Info: y UC1870-1,-2 UC2870-1 ,-2 UC3870-1 ,-2 UNITRODE PRELIMINARY High Efficiency, Synchronous, Step-down Buck Controllers FEATURES Operation to 36V Input Voltage Fixed Frequency Average Current Mode Control 2V to 3.5V Output Voltage when Combined with UC3910

Contextual Info: y UC1870-1,-2 UC2870-1 ,-2 UC3870-1 ,-2 UNITRODE PRELIMINARY High Efficiency, Synchronous, Step-dow n Buck Controllers FEATURES DESCRIPTION • Operation to 36V Input Voltage • Fixed Frequency Average Current Mode Control • 2V to 3.5V Output Voltage