UNITRODE DISCRETE Search Results

SMD Code 12W

Abstract: MOTOROLA smd SCR 1 watt led with heat led driver circuit diagram 10kw dc-dc smd transistor 12W 3 pins transformer less power supply 12 volt 3A transistor SMD 12W MOSFET smd diode code R05 SCHEMATIC 5kw power supply 30A transistor SMD 12W
Contextual Info: APPLICATION NOTE U-157 Larry Spaziani Applications Engineer Unitrode Corporation FUELING THE MEGAPROCESSOR A DC/DC CONVERTER DESIGN REVIEW FEATURING THE UC3886 AND UC3910 APPLICATION NOTE U-157 UNITRODE CORPORATION FUELING THE MEGAPROCESSOR - A DC/DC CONVERTER

vrm chip fault finding

Abstract: MOTOROLA smd SCR SMD R25 SCHEMATIC 5kw power supply 30A SEM-800 dixon 334k capacitor C06-C09 pentium 4 motherboard schematic diagram SCHEMATIC circuit scr oscillator SCHEMATIC 10kw SCHEMATIC 10kw POWER SUPPLY Dale Resistor wsr-2
Contextual Info: APPLICATION NOTE U-157 Larry Spaziani Applications Engineer Unitrode Corporation FUELING THE MEGAPROCESSOR A DC/DC CONVERTER DESIGN REVIEW FEATURING THE UC3886 AND UC3910 APPLICATION NOTE U-157 UNITRODE CORPORATION FUELING THE MEGAPROCESSOR - A DC/DC CONVERTER

triacs bt 804 600v

Abstract: UR720 1N4465 AO110 diode 1N539 2N3750 Unitrode discrete databook 2N6138 CM104 unitrode 679 BRIDGE rectifier
Contextual Info: UNITRODE SEMICONDUCTOR DATABOOK 1976 C opyright 1976 U nitrode C orporation, W atertown, MA. A ll rights reserved. INTRODUCTION From its inception 16 years ago, Unitrode has acquired a reputa­ tion for maintaining an unusually high level of quality, perfor­

IRF540 n-channel MOSFET BATTERY CHARGER

Abstract: 1rf530 IRF540 irf520 comparison UNITRODE applications handbook UNITRODE product and applications handbook H. Dean Venable schematic diagram 72vdc battery charger 48V to 12V buck transformer RF520 HEXFET Power MOSFET designer manual
Contextual Info: UNITRODE CORPORATION U-167 UC3578 TELECOM BUCK CONVERTER EVALUATION BOARD By Mark Dennis Unitrode Corporation ABSTRACT This application note describes a simple solution for a buck converter operating from an input of 15V to 72V with an N channel MOSFET switching transistor. Using this switch configuration requires a gate potential higher than the input

MOTION DETECTOR opamp

Contextual Info: UC1634 UC2634 UC3634 UNITRODE Phase Locked Frequency Controller DESCRIPTION FEATURES Precision Phase Locked Frequency Control System Communication Logic for 2-Phase Motors Disable Input for Motor Inhibit Crystal Oscillator Programmable Reference Frequency Dividers

UC3638 PLCC

Contextual Info: UC1638 UC2638 UC3638 y UNITRODE Advanced PWM Motor Controller FEATURES Single or Dual Supply Operation Accurate High Speed Oscillator Differential X5 Current Sense Amplifier Bidirectional Pulse-by-Pulse Current Limiting Programmable Oscillator Amplitude and PWM Deadband

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

334K FILM capacitor

Abstract: Unitrode Linear Integrated Circuits Data and Application thyristor controller schematic 4 bit digital to analog converter
Contextual Info: APPLICATION NOTE U-158 APPLICATION NOTE U-158 Larry Spaziani Applications Engineer Unitrode Integrated Circuits THE UC3910 COMBINES PROGRAMMABILITY, ACCURACY AND INTEGRATED FUNCTIONS TO CONTROL AND MONITOR HIGH END PROCESSOR POWER SUPPLIES 4/96 U-158 APPLICATION NOTE

8 pin ic 3773

Abstract: thyristor scr
Contextual Info: U-158 UNITRODE CORPORATION THE UC3910 COMBINES PROGRAMMABILITY, ACCURACY AND INTEGRATED FUNCTIONS TO CONTROL AND MONITOR HIGH END PROCESSOR POWiR SUPPLIES by Larry Spaziarli ABSTRACT /4s high performance processors continue to develop, their respective power supply requirements become

UCC1858

Contextual Info: y UNITRODE UCC1858 UCC2858 UCC3858 High Efficiency, High Power Factor Preregulator PRELIMINARY FEATURES DESCRIPTION • Programmable PWM Frequency Foldback for Higher Efficiency at Light Loads The UCC3858 provides all of the functions necessary for active power factor corrected

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

Contextual Info: UNITRODE Advanced PWM Motor Controller FEATURES Single or Dual Supply Operation Accurate High Speed Oscillator Differential X5 Current Sense Amplifier Bidirectional Pulse-by-Pulse Current Limiting Programmable Oscillator Amplitude and PWM Deadband Dual 500mA Totem Pole Output

900mhz chip antenna

Abstract: M9608 1270-016 microwave transmitter circuit diagram microstrip antenna HIGH POWER ANTENNA SWITCH PIN DIODE pin diode microstrip Microwave PIN diode 10KW 25KW
Contextual Info: UM9601-UM9608 PIN DIODE For Microstrip 900 M H z Antenna Switches and Microwave Applications Features • Low Inductance Shunt Mount Package • Characterized for Microstrip • Unitrode Ruggedness and Reliability • High Power Handling Capability • Low Bias Current Requirement

IC CS 3758 GP

Abstract: CS 3758 GP MOTOROLA smd SCR vrm chip fault finding SCR 30A 400V ek c06 Thyristor catalog three phase SCR gate drive circuit SCR firing circuit diode S68a
Contextual Info: UNITRODE CORPORATION APPLICATION NOTE U-157 FUELING THE MEGAPROCESSOR - A DC/DC CONVERTER DESIGN REVIEW FEATURING THE UC3886 AND UC3910 by Larry Spaziani Applications Engineer ABSTRACT This application note provides a detailed account o f design tradeoffs and procedures for the development

0614a

Abstract: UC3854 for PFC UCC1858 FP450 0835a Unitrode 3858
Contextual Info: y UNITRODE S jlicationIB INFO • available I High Efficiency, High Power Factor Preregulator UCC1858 UCC2858 UCC3858 PRELIMINARY FEATURES DESCRIPTION • Programmable PWM Frequency Foldback for Higher Efficiency at Light Loads The UCC3858 provides all of the control functions necessary for active

100-C

Abstract: 3E3E TRIACS 40A
Contextual Info: T R I APq L1B05402F L1B05404F LiB05406F L1B05408F I m n ir d 40 Amp RMS, 80C V, ChipStrate DESCRIPTION Unitrode ChipStrate power Triacs combine the most advanced hard-glass passivated chips with a m etallized ceramic substrate. The resultant ChipStrate pro­

ucc3857 application circuits

Abstract: UC3854 flyback PFC
Contextual Info: y UNITRODE UCC1857 UCC2857 UCC3857 Isolated Boost PFC Preregulator Controller PRELIMINARY FEATURES DESCRIPTION • PFC With Isolation, Vq < V|n The UCC3857 provides all of the control functions necessary for an Iso­ lated Boost PFC Converter. These converters have the advantage of trans­

UC3637

Abstract: portescap p-750 10a h-bridge driver SINUSOIDAL PULSE WISH MODULATION step motor driver full bridge 6A "Stepping Motors" bidirectional dc motor speed controller h-bridge gate drive schematics circuit h-bridge pwm schematics circuit UNITRODE
Contextual Info: U-112 APPLICATION NOTE A HIGH PRECISION PWM TRANSCONDUCTANCE AMPLIFIER FOR MICROSTEPPING USING UNITRODE’S UC3637 INTRODUCTION If you ask a designer why he has chosen a stepping motor for a given application, chances are that his answer will include something about “open loop positioning.”

Unitrode Semiconductor

Abstract: portescap p-750 bidirectional dc motor speed controller stepper motor driver full bridge 6A UC3637 simple block diagram of single phase motor forward direction closed loop bidirectional speed torque control of motors Motor Driver Circuit schematic 10 ampere motor driver full bridge 6A U112
Contextual Info: U-112 APPLICATION NOTE A HIGH PRECISION PWM TRANSCONDUCTANCE AMPLIFIER FOR MICROSTEPPING USING UNITRODE’S UC3637 INTRODUCTION If you ask a designer why he has chosen a stepping motor for a given application, chances are that his answer will include something about “open loop positioning.”

Contextual Info: y UC1517 UC3517 UNITRODE Stepper Motor Drive Circuit DESCRIPTION FEATURES • Complete Motor Driver and Encoder The UC3517 contains four NPN drivers that operate in two-phase fashion for full-step and half-step motor control. The UC3517 also Continuous Drive Capability 350mA per Phase

tda 7387

Abstract: tda 7368
Contextual Info: y UNITRODE UCC1857 UCC2857 UCC3857 Isolated Boost PFC Preregulator Controller PRELIMINARY FEATURES DESCRIPTION • PFC With Isolation, VQ < V!N The UCC3857 provides all of the control functions necessary for an Iso­ lated Boost PFC Converter. These converters have the advantage of trans­

uc3906

Abstract: UC3906 application note battery charger schematic uc3906 design note "3 phase" charger schematic BATTERY CHARGER cutoff offline UPS APPLICATION U-104 VI-ARM-C12 phase control ic for battery charger
Contextual Info: High Efficiency Battery Charger using Power componentS 1 By Marco Panizza Senior Application Engineer Vicor TPB 101 Introduction An offline battery charger — using the Unitrode UC3906 battery charger controller chip and a Vicor Maxi, Mini, Micro Series DC-DC converter module — provides design