Integrating Our Strengths


About Us

Contact Us

Products

Investors

Employment

What's New

Y2K Info

Home

Search
Site Map


Application and Design Notes
By Product

 

To request a copy of the data book please contact productinfo@unitrode.com

IC Featured Unitrode Literature Number TI Literature Number Application
Motor Control U-120 SLUA076 A Simplified Approach to DC Motor Modeling for Dynamic Stability Analysis
U-133A SLUA149 UCC3800/1/2/3/4/5 BiCMOS Current Mode Control ICs
PWMs U-97 SLUA101 Modeling, Analysis and Compensation of the Current Mode Converter
U-111 SLUA111 Practical Considerations in Current Mode Power Supplies
DN-62 SLUA119 Switching Power Supply Topology: Voltage Mode vs. Current Mode
DN-64 SLUA099 Inductorless Bias Supply for Synchronous Rectification and High Side Drive Applications
UC2577-12/15 DN-49 SLUA181 UC2577 Controls SEPIC Converter for Automotive Applications
UC2577-ADJ DN-49 SLUA181 UC2577 Controls SEPIC Converter for Automotive Applications
UCC3305 U-161 SLUA078 Powering a 35W DC Metal Halide High Intensity Discharge (HID) Lamp using the UCC3305 HID Lamp Controller
DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UC3525/27B DN-36 SLUA170 UC1525B/1527B Devices - Comparison Summary to UC1525A/ 1527A Devices
UCC3570 U-150 SLUA077 Applying the UCC3570 Voltage-Mode PWM Controller to Both Off-Line and DC/DC Converter Designs
DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UCC35701 U-150 SLUA077 Applying the UCC3570 Voltage-Mode PWM Controller to Both Off-Line and DC/DC Converter Designs
DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UC3573 DN-70 SLUA199 UC3573 Buck Regulator PWM Control IC
UC3578 U-167 SLUA140 UC3578 Telecom Buck Converter Evaluation Board
UCC3581 DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UC3584 DN-83 SLUA092 UC3584DW Secondary Side Post Regulator Evaluation Board, Schematic, and List of Materials
UCC3585 DN-104 SLUA223 UCC3585,Low Voltage Synchronous Buck Controller,Evaluation Board,Schematic and List of Materials
UCC3588 DN-105 SLUA224 UCC3588 5-Bit Programmable OutputBiCMOSPower Supply Controller,Evaluation Board,Schematic and List of Materials
UC3620 U-106 SLUA237 UC3620 Brushless DC Motors get a Controller IC that Replaces Complex Circuits
UC3625 U-115 SLUA106 New Integrated Circuit Produces Robust, Noise Immune System for Brushless DC Motors
U-120 SLUA076 A Simplified Approach to DC Motor Modeling for Dynamic Stability Analysis
DN-50 SLUA182 Simple Techniques for Isolating and Correcting Common Application Problems with UC3625 Brushless DC Motor Drives
U-130 SLUA083 Dedicated ICs Simplify Brushless DC Servo Amplifier Design
UCC3626 U-120 SLUA076 A Simplified Approach to DC Motor Modeling for Dynamic Stability Analysis
UC3633 U-113 SLUA085 Design Notes on Precision Phase Locked Speed Control for DC Motors
UC3634 U-113 SLUA085 Design Notes on Precision Phase Locked Speed Control for DC Motors
UC3635 U-113 SLUA085 Design Notes on Precision Phase Locked Speed Control for DC Motors
UC3637 U-120 SLUA076 A Simplified Approach to DC Motor Modeling for Dynamic Stability Analysis
U-102 SLUA137 UC1637/2637/3637 Switched Mode Controller for DC Motor Drive
U-112 SLUA073 A High Precision PWM Transconductance Amplifier for Microstepping using Unitrode's UC3637
DN-53A SLUA184 Design Considerations for Synchronizing Multiple UC3637 PWMs
UC3638 U-120 SLUA076 A Simplified Approach to DC Motor Modeling for Dynamic Stability Analysis
UC3705 U-118 SLUA054 New Driver ICs Optimize High Speed Power MOSFET Switching Characterisitics
U-137 SLUA105 Practical Considerations in High Performance MOSFET, IGBT & MCT Gate Drive Circuits
UC3706 U-137 SLUA105 Practical Considerations in High Performance MOSFET, IGBT & MCT Gate Drive Circuits
U-118 SLUA054 New Driver ICs Optimize High Speed Power MOSFET Switching Characterisitics
UC3707 U-118 SLUA054 New Driver ICs Optimize High Speed Power MOSFET Switching Characterisitics
U-137 SLUA105 Practical Considerations in High Performance MOSFET, IGBT & MCT Gate Drive Circuits
UC3708 DN-35 SLUA169 IGBT Drive Using MOSFET Gate Drivers
U-137 SLUA105 Practical Considerations in High Performance MOSFET, IGBT & MCT Gate Drive Circuits
UC3709 U-137 SLUA105 Practical Considerations in High Performance MOSFET, IGBT & MCT Gate Drive Circuits
U-118 SLUA054 New Driver ICs Optimize High Speed Power MOSFET Switching Characterisitics
UC3717 U-99 SLUA141 UC3717 and L-C Filter Reduce EMI and Chopping Losses in Step Motor
UC3717A U-99 SLUA141 UC3717 and L-C Filter Reduce EMI and Chopping Losses in Step Motor
UC3724 DN-35 SLUA169 IGBT Drive Using MOSFET Gate Drivers
U-127 SLUA154 Unique Chip Pair Simplifies High Side Switch Drive
UC3725 DN-35 SLUA169 IGBT Drive Using MOSFET Gate Drivers
U-127 SLUA154 Unique Chip Pair Simplifies High Side Switch Drive
UC3726 DN-60 SLUA142 UC3726/UC3727 IGBT Driver Pair Evaluation Kit Testing Procedure
DN-57 SLUA186 Power Dissipation Considerations for the UC3726N/UC3727N IGBT Driver Pair
U-143C SLUA057 New Chip Pair Provides Isolated Drive for High Voltage IGBTs
UC3727 U-143C SLUA057 New Chip Pair Provides Isolated Drive for High Voltage IGBTs
DN-57 SLUA186 Power Dissipation Considerations for the UC3726N/UC3727N IGBT Driver Pair
DN-60 SLUA142 UC3726/UC3727 IGBT Driver Pair Evaluation Kit Testing Procedure
UCC3750 U-169 SLUA060 A Complete Control Solution for a Four-Quadrant Flyback Converter Using the New UCC3750 Source Ringer Controller
DN-79 SLUA103 Demonstration Board Operating Guidelines
UCC3800/1/2/3/4/5 U-133A SLUA149 UCC3800/1/2/3/4/5 BiCMOS Current Mode Control ICs
DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UCC3802 DN-42A SLUA084 Design Considerations for Transitioning from UC3842 to the New UCC3802 Family
DN-89 SLUA213 Comparing the UC3842, UCC3802, and UCC3809 Primary Side PWM Controllers
UCC3803 DN-43 SLUA042 Simple Techniques to Generate a Negative Voltage Bias Supply from a Positive Input Voltage
DN-48 SLUA180 Versatile Low Power SEPIC Converter Accepts Wide Input Voltage Range
DN-54 SLUA185 Innovative Buck Regulator Uses High Side N-Channel Switch without Complex Gate Drive
UCC3805 DN-46 SLUA179 Highly Efficient Low Power DC to DC Inverter Converts +5V Input to -3V Output
UCC3806 DN-45 SLUA178 UC3846, UC3856 and UCC3806 Push-Pull PWM Current Mode Control ICs
UCC3806 U-144 SLUA150 UCC3806 BiCMOS Current Mode Control IC
DN-51 SLUA183 Programming the UCC3806 Features
DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UCC3807 DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UCC3808 DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UCC3809 DN-65 SLUA081 Considerations in Powering BiCMOS ICs
DN-89 SLUA213 Comparing the UC3842, UCC3802, and UCC3809 Primary Side PWM Controllers
U-165 SLUA086 Design Review: Isolated 50 Watt Flyback Converter Using the UCC3809 Primary Side Controller and the UC3965 Precision Reference and Error Amplifier
U-168 SLUA097 Implementing a Practical Off-line Lithium-Ion Charger Using the UCC3809 Primary Side Controller and the UCC3956 Battery Charger Controller
UCC3810 DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UCC3813 U-133A SLUA149 UCC3800/1/2/3/4/5 BiCMOS Current Mode Control ICs
DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UC3823 U-131 SLUA055 Simple Switchmode Lead-Acid Battery Charger
UC3823A,B/3825A,B U-128 SLUA125 The UC3823A,B & UC3825A,B Enhanced Generation of PWM Controllers
UC3825 U-110 SLUA053 1.5MHz Current Mode IC Controlled 50W Power Supply
UCC3831 DN-85 SLUA209 UCC3831 USB Power Controller IC, Evaluation Board, Schematic, and List of Materials
UC3832/3 U-152 SLUA072 A High Performance Linear Regulator for Low Dropout Applications
DN-61 SLUA089 A High Performance Linear Regulator for Low Dropout Applications
UC3833 DN-32 SLUA167 Optocoupler Feedback Drive Techniques
UC3834 U-95 SLUA062 Versatile UC1834 Optimizes Linear Regulator Efficiency
UC3838A DN-47   Simple Voltage Inverter Circuit Converts -48V Input to +5V Output
UC3841 DN-28 SLUA164 UC3840/UC3841/UC3851 PWM Controllers - Summary of Functional Differences
UC3842/3/4/5 U-100A SLUA143 UC3842/3/4/5 Provides Low-Cost Current-Mode Control
UC3842 DN-89 SLUA213 Comparing the UC3842, UCC3802, and UCC3809 Primary Side PWM Controllers
UC3842/42A DN-27 SLUA163 UC1842/UC1842A Summary of Functional Differences
DN-40 SLUA173 The Effects of Oscillator Discharge Current Variations on Maximum Duty Cycle and Frequency in UC3842 and UC3842A PWM ICs
UC3842A DN-29 SLUA165 UC3842A Family Frequency Foldback Technique Provides Protection
UC3843A DN-30 SLUA166 Programmable Electronic Circuit Breaker
UC3846 U-93 SLUA075 A New Integrated Circuit for Current Mode Control
U-100A SLUA143 UC3842/3/4/5 Provides Low-Cost Current-Mode Control
DN-45 SLUA178 UC3846, UC3856 and UCC3806 Push-Pull PWM Current Mode Control ICs
UC3847 U-93 SLUA075 A New Integrated Circuit for Current Mode Control
UC3848 U-135 SLUA126 The UC3848 Average Current Mode Controller Squeezes Maximum Performance from Single Switch Converters
U-140 SLUA079 Average Current Mode Control of Switching Power Supplies
UC3849 U-140 SLUA079 Average Current Mode Control of Switching Power Supplies
UC3851 DN-28 SLUA164 UC3840/UC3841/UC3851 PWM Controllers - Summary of Functional Differences
UC3852 U-132 SLUA108 Power Factor Correction Using the UC3852 Controlled ON-Time Zero Current Switching Technique
UC3853 U-159 SLUA080 Boost Power Factor Corrector Design with the UC3853
DN-77 SLUA047 Overcurrent Shutdown with the UC3853
DN-78 SLUA204 UC3853 Demo Board
UCC38531 DN-85 SLUA209 UCC3831 USB Power Controller IC, Evaluation Board, Schematic, and List of Materials
UC3854 U-134 SLUA144 UC3854 Controlled Power Factor Correction Circuit Design
DN-39E SLUA172 Optimizing Performance in UC3854 Power Factor Correction Applications
DN-41 SLUA174 Extend Current Transformer Range
UC3854A/B DN-44 SLUA177 UC3854A and UC3854B Advanced Power Factor Correction Control ICs
DN-66 SLUA196 Unitrode - UC3854A/B and UC3855A/B Provide Power Limiting with Sinusoidal Input Current for PFC Front Ends
UC3855A/B U-153 SLUA146 UC3855A/B High Performance Power Factor Preregulator
DN-66 SLUA196 Unitrode - UC3854A/B and UC3855A/B Provide Power Limiting with Sinusoidal Input Current for PFC Front Ends
UC3856 DN-45 SLUA178 UC3846, UC3856 and UCC3806 Push-Pull PWM Current Mode Control ICs
UCC3858 DN-90 SLUA214 UCC3858 "Energy Star" PFC Evaluation Board, Schematic, and List of Materials
UC3861-3864 U-138 SLUA159 Zero Voltage Switching Resonant Power Conversion
UC3861-3868 U-122 SLUA074 A New Family of Integrated Circuits Controls Resonant Mode Power Converters
UC3871 U-141 SLUA056 Resonant Fluorescent Lamp Converter Provides Efficient and Compact Solution
U-148 SLUA088 Dimmable Cold-Cathode Fluorescent Lamp Ballast Design Using the UC3871
UC3872 U-141 SLUA056 Resonant Fluorescent Lamp Converter Provides Efficient and Compact Solution
U-148 SLUA088 Dimmable Cold-Cathode Fluorescent Lamp Ballast Design Using the UC3871
DN-75 SLUA090 Using the UC3871 and UC3872 Resonant Fluorescent Lamp Drivers in Floating Lamp Applications
UC3875/6/7/8 U-136 SLUA107 Phase Shifted, Zero Voltage Transition Design Considerations and the UC3875 PWM Controller
DN-63 SLUA121 The Current-Doubler Rectifier: An Alternative Rectification Technique for Push-Pull and Bridge Converters
UC3879 U-136 SLUA107 Phase Shifted, Zero Voltage Transition Design Considerations and the UC3875 PWM Controller
U-154 SLUA122 The New UC3879 Phase Shifted PWM Controller Simplifies the Design of Zero Voltage Transition Full-Bridge Converters
UC3879 DN-63 SLUA121 The Current-Doubler Rectifier: An Alternative Rectification Technique for Push-Pull and Bridge Converters
UCC3884 U-164 SLUA114 The UCC3884 Frequency Foldback Pulse Width Modulator
DN-65 SLUA081 Considerations in Powering BiCMOS ICs
UC3886 U-156 SLUA120 The UC3886 PWM Controller Uses Average Current Mode Control to Meet the Transient Regulation Performance of High End Processors
U-157 SLUA093 Fueling the Megaprocessor - A DC/DC Converter Design Review Featuring the UC3886 and UC3910
UCC3888 U-149A SLUA116 Simple Off-Line Bias Supply for Very Low Power Applications
DN-59   UCC3889 Bias Supply Controller Evaluation Kit - Schematic and Lists of Materials
UCC3889 U-149A SLUA116 Simple Off-Line Bias Supply for Very Low Power Applications
DN-59   UCC3889 Bias Supply Controller Evaluation Kit - Schematic and Lists of Materials
UCC3895 U-136 SLUA107 Phase Shifted, Zero Voltage Transition Design Considerations and the UC3875 PWM Controller
DN-63 SLUA121 The Current-Doubler Rectifier: An Alternative Technique for Push-Pull and Bridge Converters Rectification
UC3901 U-94 SLUA124 The UC1901 Simplifies the Problem of Isolated Feedback in Switching Regulators
DN-19 SLUA161 A Simple Isolation Amplifier using the UC1901
DN-33 SLUA168 Optocoupler Feedback Drive Techniques Using the UC3901 and UC3903
UC3902 U-163 SLUA128 The UC3902 Load Share Controller and Its Performance in Distributed Power Systems
UC3903 DN-33 SLUA168 Optocoupler Feedback Drive Techniques Using the UC3901 and UC3903
UC3906 U-104 SLUA115 Improved Charging Methods for Lead-Acid Batteries Using the UC3906
U-131 SLUA055 Simple Switchmode Lead-Acid Battery Charger
UC3907 U-129 SLUA147 UC3907 Load Share IC Simplifies Parallels Power Supply Design
UC3909 U-155 SLUA098 Implementing Multi-State Charge Algorithm with the UC3909 Switchmode Lead-Acid Battery Charger Controller
U-166 SLUA058 An Off-Line Lead-Acid Charger Based on the UC3909
UC3910 U-157 SLUA093 Fueling the Megaprocessor - A DC/DC Converter Design Review Featuring the UC3886 and UC3910
U-158 SLUA129 The UC3910 Combines Programmability, Accuracy and Integrated Functions to Control and Monitor High End Processor Power Supplies
UCC3911 DN-81 SLUA091 UCC3911 Demonstration Board
UCC3912 U-151 SLUA131 UCC3912 Integrated Electronic Circuit Breaker IC for Hot-Swap and Power Management Applications
DN-58 SLUA187 UCC3912 Programmable Electronic Circuit Breaker - Performance Evaluation and Programming Information
DN-68 SLUA196 Parelling UCC3912 Electronic Circuit Breaker ICs
UCC3913 DN-67 SLUA197 UCC3913 Electronic Circuit Breaker for Negative Voltage Applications Evaluation Kit List of Materials for a -48V/1A Test Circuit
UCC3917 DN-98 SLUA221 UCC3917 Positive Floating Hot Swap Power Manager Evaluation Kit, Schematic and List of Materials
UCC3918 DN-87 SLUA211 Low On-Resistance Hot Swap Power Manager, Evaluation Board, Schematic, and List of Materials
UCC3919 DN-95 SLUA219 UCC3919 Hot Swap Power Manager Evaluation Circuit and List of Materials
DN-103 SLUA222 Controlling a –5V Rail Using the UCC3919,+3V to +8V Hot Swap Power Manager
UCC3926 DN-91 SLUA215 UCC3926DS ± 20A Integrated Current Sensor, Evaluation Board and List of Materials
UCC39411 DN-97 SLUA220 UCC39411 Low Power Synchronous Boost Converter, Evaluation Kit, Schematic and List of Materials
UCC3941-3/-5/-ADJ DN-73 SLUA200 UCC3941 One Volt Boost Converter Demonstration Kit - Schematic and List of Materials
UC39432 DN-52 SLUA045 Adjustable Electronic Load for Low Voltage DC Applications
UCC3954 DN-86 SLUA210 UCC3954 Single Cell Lithium-Ion to +3.3V Converter Evaluation Board, Schematic, and List of Materials
UCC3956 DN-84 SLUA153 Switch Mode Lithium-Ion Battery Charger Controller, Evaluation Board, Schematic, and List of Materials
U-168 SLUA097 Implementing a Practical Off-line Lithium-Ion Charger Using the UCC3809 Primary Side Controller and the UCC3956 Battery Charger Controller
UCC3957 DN-93 SLUA217 UCC3957 Three - Four Cell Lithium-Ion Protector Circuit, Evaluation Board and List of Materials
UCC3958 DN-82 SLUA207 Demonstration Board Schematic and Bill of Materials
UC3965 U-165 SLUA086 Design Review: Isolated 50 Watt Flyback Converter Using the UCC3809 Primary Side Controller and the UC3965 Precision Reference and Error Amplifier
UCC3972 DN-102 SLUA160 UCC3972 BiCMOS Cold Cathode Fluorescent Lamp Driver Controller, Evaluation Board and List of Materials
UC494/5A&C DN-38 SLUA171 Unique Converter for Low Power Bias Supplies
UCC5343 DN-94 SLUA218 UCC5343 Evaluation Board, Schematic and List of Materials
UCC5630 DN-92 SLUA216 UCC5630 SCSI Multimode (LVD/SE) Evaluation Board and List of Materials