UNITRODE TRANSFORMER Search Results

IRF510 12v led switch

Abstract: SCHEMATIC WITH irfp460 IRFP460 application IRFP460 SWITCHING FREQUENCY UFN150 pin configuration irf510 Power MOSFET u-118 IRF 510 IRFP460 UC3706
Contextual Info: U-118 ul B UNITRODE APPLICATION NOTES NEW DRIVER ICs OPTIMIZE HIGH SPEED POWER MOSFET SWITCHING CHARACTERISTICS Bill Andreycak UNITRODE Integrated Circuits Corporation, Merrimack, N.H. ABSTRACT Although touted as a high impedance, voltage controlled device,

DS0026 power mosfet driver

Abstract: IRFP460 application IRF510 12v led switch IN5820 UFN150 u 118 pin configuration irf510 Power MOSFET gate drive pulse transformer high voltage gate drive transformer SCHEMATIC WITH irfp460
Contextual Info: U-118 ul B UNITRODE APPLICATION NOTES NEW DRIVER ICs OPTIMIZE HIGH SPEED POWER MOSFET SWITCHING CHARACTERISTICS Bill Andreycak UNITRODE Integrated Circuits Corporation, Merrimack, N.H. ABSTRACT Although touted as a high impedance, voltage controlled device,

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

Unitrode DN

Contextual Info: DN-62 UNITRODE Design Note Switching Power Supply Topology Voltage Mode vs. Current Mode by: Robert Mammano Unitrode 1C Corporation has, since its inception, been active in the deveiopment of leading-edge control circuits to implement state-of-the-art pro­

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

UC1727

Contextual Info: INTEGRATED CIRCUITS UC1726 UC2726 UC3726 •_ UNITRODE Isolated Drive Transmitter FEATURES 750mA Output Drive, Source or Sink 8 to 35V Operation Transmits Drive Logic and Power through Low Cost Transformer Programmable Operating Frequency Up to 750kHz Operation

3E2A

Abstract: Toroid 3E2A rc coupled amplifier Optical Couplers unitrode closing the feedback loop UC1901 UC2901 I/magnetic core ferroxcube 3E2A
Contextual Info: INTEGRATED CIRCUITS UC1901 UC2901 UC3901 y UNITRODE Isolated Feedback Generator FEATURES • An amplitude-modulation system for transformer coupling an isolated feedback error signal • Low-cost alternative to optical couplers • Internal 1 % reference and error

50 Watt MOSFET amplifier

Contextual Info: 1 1 |application INFO available | UNITRODE UCC1888 UCC2888 UCC3888 Off-line Power Supply Controller FEATURES DESCRIPTION • Transformerless Off-line Power Supply • Wide 10OVDC to 400VDC Allowable Input Range • Fixed 5VDC or Adjustable Low Voltage Output

UCC3884

Contextual Info: •gs UNITRODE Frequency Foldback Current Mode PWM Controller Accurate Programmable Volt-Second Clamp Programmable Maximum Duty Cycle Clamp Oscillator Synchronization Overcurrent Protection Shutdown with Full Soft Start Wide Gain Bandwidth Amplifier GBW > 2.5MHz

UDG-94085

Abstract: UCC3883 SS 94090
Contextual Info: y UCC1883 UCC2883 UCC3883 UNITRODE Micropower Peak Current Mode Controller ISDN 1.430 RELATED FEATURES Zero-Power Startup Capability Restricted Mode Detection Precision Programmable Quiescent Current Very Low Quiescent Power for CCITT, 25mW Restricted Mode

EE-19 n transformer

Abstract: EE-19 transformer EE 19 transformer Power Transformer EE-19 frc 34 pin EE-25 transformer UC1727
Contextual Info: [ I ! INTEGRATED CIRCUITS UC1727 UC2727 UC3727 UNITRODE Isolated High Side IGBT Driver FEATURES Receives Power and Signal from Single Isolation Transformer Generates Split Rail for 4A Peak Bipolar Gate Drive 16V High Level Gate Drive Low Level Gate Drive more Negative

UDG-95011-1

Abstract: UCC3581 44TURNS
Contextual Info: UCC1581 UCC2581 UCC3581 UNITRODE PRELIMINARY Micropower Voltage Mode PWM FEATURES Low 85|iA Startup Current Low 300|iA Operating Current Automatically Disabled Startup Preregulator Programmable Minimum Duty Cycle with Cycle Skipping Programmable Maximum Duty Cycle

Contextual Info: y UNITRODE UC2879 UC3879 Phase Shift Resonant Controller Compatible with Voltage Mode or Current Mode Topologies Practical Operation at Switching Frequencies to 300kHz Four 100mA Totem Pole Outputs 10MHz Error Amplifier Pin Programmable Undervoltage Lockout

Toroid 3E2A

Abstract: 3E2A g026
Contextual Info: UC1901 UC2901 UC3901 UNITRODE Isolated Feedback Generator FEATURES DESCRIPTION • An Amplitude-Modulation System for Transformer Coupling an Isolated Feedback Error Signal The UC1901 family is designed to solve m any of the problems associ­ • Low-Cost Alternative to Optical

20TAWG

Abstract: 3E2A UC1901 UC2901
Contextual Info: Iapplication flj IN F Ö 1 H 1 available j UNITRODE UC1901 UC2901 UC3901 Isolated Feedback Generator FEATURES DESCRIPTION • An Amplitude-Modulation System for Transformer Coupling an Isolated Feedback Error Signal The UC1901 family is designed to solve many of the problems associ­

UC2584

Contextual Info: UC1584 UC2584 UC3584 UNITRODE Secondary Side Synchronous Post Regulator FEATURES Practical Operation at Switching Frequencies up to 1MHz Wide Band Error Amplifier Undervoltage Lockout with Hysteresis Output Active Low During UVLO Soft Start/Maximum Duty Cycle

sinusoidal "signals generation"

Contextual Info: UCC2751 UCC3751 y UNITRODE ADVANCED INFORMATION Single Line Ring Generator Controller FEATURES DESCRIPTION • Controls Novel Topology for Low Cost, Efficient Generation of Ring Voltage • Provides DC Offset and "Talk Battery" Voltage for Off-Hook Conditions

C3909

Abstract: 48 volt circuit diagram Battery charger Battery charger 48 volt circuit diagram
Contextual Info: UC2909 UC3909 UNITRODE Switchmode Lead-Acid Battery Charger DESCRIPTION • Accurate and Efficient Control of Battery Charging • Average Current Mode Control from Trickle to Overcharge • Resistor Programmable Charge Currents • Thermistor Interface Tracks

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

110VAC to 12VDC transformer

Contextual Info: APPLICATION NOTE U-149A UNITRODE CORPORATION APPLICATION NOTE U-149A ELEGANTLY SIMPLE OFF-LINE BIAS SUPPLY FOR VERY LOW POWER APPLICATIONS by Bill Andreycak Supervisor Application Engineering INTRODUCTION Generating a low power, low voltage bias supply in

Unitrode uc3875

Abstract: U-136A UC3875 ZVS design resonant full bridge schematic slope in uc3875 U136A phase shifted zero voltage UC 3875
Contextual Info: U-136A UNITRODE APPLICATION NOTE PHASE SHIFTED, ZERO VOLTAGE TRANSITION DESIGN CONSIDERATIONS and the UC3875 PWM CONTROLLER BILL ANDREYCAK ABSTRACT This Application Note will highlight the design considerations incurred in a high frequency power supply us­

Contextual Info: INTEGRATED CIRCUITS UCC1885 UCC2885 UCC3885 UNITRODE Micropower Secondary Regulation 1C ISDN I.430 RELATED FEATURES DESCRIPTION The UCC1885 supplies the necessary functions to implement a fully isolated, ISDN compatible SMPS meeting the guidelines of CCITT recom­

cj TL431 transistor

Contextual Info: UCC1581 UCC2581 UCC3581 y UNITRODE Micropower Voltage Mode PWM FEATURES BLOCK DIAGRAM • Low 85jiA Startup Current • Low 300^iA Operating Current • Automatically Disabled Startup Preregulator OUT • Programmable Minimum Duty Cycle with Cycle Skipping