Application Index by Subject

Application and Design Notes
By Subject

Battery Charging
Battery Charger Basics	U-155
Current Sense Considerations	U-155
Lead Acid Battery Charger	U-104, U-131
Lead Acid Charging Algorithims	U-131
Switchmode Lead-Acid Battery Charger	U-131,U-155
UCC3956 Switch Mode Lithium-Ion Charger Demo Board	DN-84
Battery Protection
UCC3911 Two Cell Lithium-Ion Protector Demo Board	DN-81
UCC3958 Single Cell Lithium-Ion Protector Demo Board	DN-82
Bias Supplies
Buck-Boost Supply	DN-38
Inductorless Bias Supply	DN-64
Negative Bias Supply	DN-43
Simple Off-Line Bias Supply	U-149
UCC3889 Demo Kit	DN-59
Bootstrap Circuits
Startup/Bootstrapping	U-128, U-133A
Charge Pumps
Inverting Charge Pump	U-100A
Non-Inverting Charge Pump	U-100A
Class-D Amplifiers
Class-D Amplifier for Thermoelectric Devices	DN-76
Cold Cathode Fluorescent Lamp Driver (CCFL)
ZVS Resonant Converter Drive	U-141
CCFL and LCD Bias Circuit	U-148
Floating Lamp Driver	DN-75
Control Techniques
Current/Voltage Mode Tradeoffs	DN-62
Peak Current Mode
BiCMOS Controller Advantages	DN-42A
Frequency Foldback	DN-29, U-164
Low Power Controller	U-144
Peak Current Mode Control	U-93, U-100A, U-133A, U-144, U-164
Practical Considerations	U-111, U-133A
Programming the UCC3806	DN-51
Slope Compensation	U-97, U-110, U-111
Soft Start	U-133
Using I-Mode ICs in Voltage Mode Applications	U-111
Average Current Mode
Average Current Control	U-131, U-135, U-140, U-156, U-157, U-159
Average Current Sensing	U-140, DN-41
Voltage Mode
Primary Side Controller	U-150
Voltage Feedforward	U-150
Current Sensing
Average Current Sensing	U-135, U-140, U-156, U-157
Using PCB Traces to Sense Current	DN-71
Current Sense Amplifiers	U-156, U-157
Distributed Power
Load Sharing	U-163
Electronic Loads
Adjustable Load for Low Voltage DC Applications	DN-52
Feedback Techniques
Average Current Sensing	U-135, U-140
Transformer Isolation	U-94, DN-41
Optocoupler Feedback	DN-32, DN-33, U-160
Frequency Foldback
Simple Frequency Foldback Circuit	DN-29
Hot Swap Power Managers
Discrete Electronic Hot Swap Power Manager Design	DN-30
Hot Swap Protection	U-151
Integrated Hot Swap Power Manager	U-151
Paralleling Multiple UCC3912s	DN-68
UCC3912 Programming and Demo Kit	DN-58
UCC3918 Low On-Resistance Hot Swap Power Manager Demo Board	DN-87
IGBT Drivers
Drive Considerations	U-137
Integrated Drivers	U-143C, DN-35
UC3726/UC3727 Power Considerations	DN-57
UC3726/UC3727Demo Kit Testing	DN-60
Isolation Amplifier
Discrete Iso-Amp Design	DN-19
Leading Edge Blanking
Current Sense Noise	U-128
LEB Implementation	U-128, U-133A
Lighting Circuits
CCFL and LCD Bias Circuit	U-148
HID Lamp Controller	U-161
AC Lamp Controller	U-162
Lamp Ignitor Circuits	DN-72
ZVS Resonant Converter Drive	U-141
Driving Floating Fluorescent Lamps	DN-75
Linear Voltage Regulators
Linear Regulator Controllers	U-95, U-116, U-152
Loadsharing	U-129
Microprocessor Regulator Design	U-152, DN-61
Multiple LDO Regulator Demo Kit	DN-74
External Power Device Configurations	U-95, U-104
Small Signal Analysis	U-95, U-152
Load Sharing
Load Sharing Control Techniques	U-129, U-163
Startup Considerations	U-129
Application Circuits	U-129, U-163
Magnetics Design
1.5MHz Forward Converter Main Transformer	U-110
225KHz Off-Line Transformer	U-150
Gate Drive Pulse Transformer Design	U-127
SEPIC Converter Inductor Design	U-161
Microprocessor Voltage Regulators
Linear Regulators
High Performance LDO Controller	U-152, DN-61
Switching Regulators
Average I-Mode Controller for Pentiumв Pro	U-156
Fueling the MegaProcessor - A DC/DC Converter Design Review	U-157
4Bit DAC and Voltage Monitor for Pentiumв Pro	U-158
Motor Control
Brush DC Motors
PWM DC Motor Controller	U-102
Synchronizing Multiple UC3637 Oscillators	DN-53A
Brushless DC Motors
Four Quadrant Control	U-130
Current Loop Design	U-130
Power Supply Bus Clamp	U-130
Integrated 3-Phase Control/Driver	U-106
3-Phase Controller	U-115, U-130
Fixed Off-Time Modulation	U-106
Trouble Shooting UC3625 Applications	DN-50
Phase Locked Loops
Small Signal Analysis	U-113
Loop Filter Design	U-113
Power H-Bridge Design
H-Bridge Power Amplifier	U-102, U-112
Small Signal Modeling
Motor Modeling	U-102, U-113, U-120
Velocity Loop, Small Signal Analysis	U-102, U-113
Current Loop, Small Signal Analysis	U-112
Stepper Motors
Reducing EMI in Stepper Motor Drives	U-99
Microstepping Transconductance Amplifier	U-112
Power Device Drivers
Modeling the Power MOSFET	U-118
Calculating Average Gate Drive Current	U-156
Determining Gate Charge	U-118, U-137
Direct Coupled Drivers	U-118, U-137
IGBT Drive Considerations	U-137, U-143C
Power Dissipation Analysis	U-137
Transformer Coupled Drivers	U-118
Isolated High Side Switch Drive	U-127
UC3726/UC3727 Power Considerations	DN-57
Power Factor Correction
Active Power Factor Correction Description	U-134, U-159
Controlled On-Time, Zero Current Switching	U-132
Current Sensing	U-134, U-153
Current Synthesizer	U-153
Distortion Sources	U-134
Effects of Discharge Current on Maximum Duty Cycle	DN-40
Optimizing Circuit Performance	DN-39E
Power Limiting Features	DN-66
Voltage Feedforward Circuitry	U-132, U-134
UC3853 Demo Board	DN-78
UC3854 Demo Board	DN-44
UC3855 Design Example	U-153
ZVT Techniques	U-153
PWM Oscillators
Voltage Feedforward Oscillators	U-94
Noise Sensitivity	U-100A
Synchronization	U-100A, U-111, U-133A
Rectification
Alternative Full-Wave Rectifier Topology	DN-63
Resonant Converters
Resonant Tank Considerations	U-136
Transformer Coupled Equations	U-138
Zero-Voltage Switching	U-122, U-136
Zero-Current Switching	U-122
Ring Generators
UCC3750, 20Hz, 85Vrms, 15 REN Demo Board	DN-79
Secondary Side Regulation
Secondary Side Regulator	U-139
SEPIC Converter
Design Example	DN-48
HID Lamp Controller	U-161
Small Signal Analysis
Average Current Mode	U-135, U-140, U-157
Average Current Mode PFC	U-134, U-153, U-159
CCFL Ballast	U-148
Error Amplifier Response	U-95, U-100A
Load Models	U-95
Buck Regulator	U-97
Push-Pull Forward Converter	U-110
Subharmonic Oscillation
Slope Compensation	U-95, U-110
Supervisor Functions
Startup and Fault Protection	DN-26
Overcurrent Protecting Boost Converters	DN-77
Overvoltage Protection	DN-69, U-158
Switching Regulators - Reference Designs
CCFL Drives
ZVS Converters	U-141, U-148
DC/DC Converters
5VIN, 3.3VOUT, Buck Regulator	DN-54
Peak Current Mode, Buck/Boost Designs	U-133A
5W, 12VIN, 5VOUT, Buck Regulator	DN-70
20W, 48VIN, 5VOUT, Voltage Mode Forward Converter	U-150
200mW, 5VIN, -3VOUT, Flyback Converter	DN-46
500mW, 1VIN, Adjustable Output Voltage	DN-73
Pentiumв Pro Converter with Adjustable Output	U-157
Forward Converters
Push-Pull Forward Converter	U-93
500W, -48VIN, 5VOUT, Push Pull Converter	U-100A
50W, 48VIN, 5VOUT, 1.5MHz Peak I-Mode Converter	U-110, U-128
200W, Off-line, 5V, +/-15VOUT, Average I-Mode Forward Converter	U-135
50W, 18-26VIN, 5VOUT, ZVS Forward Converter	U-138
50W, Off-Line, 12VOUT, Voltage Mode Converter	U-150
Flyback Converters
60W, Off-line, 5V,12VOUT, Flyback	U-94
25W, Off-line, 5V,+/-12VOUT, Flyback	U-100A
5VIN, +/-12VOUT, RS-232/RS-422 Converter	DN-56
Full Bridge
500W, 400VIN, 48VOUT, ZVT Converter	U-136
Power Factor Correction
85W, 350VOUT, Zero Current Switched PFC	U-132
250W, 400VOUT, Average Current Mode PFC	U-134
500W, 410VOUT, Average Current Mode, ZVT, PFC	U-153
Resonant Converters
500W, 400VIN, 48VOUT, ZVT Converter	U-136
Battery Charger
Lead Acid Battery Charger	U-131
Thermoelectric Drivers
Class-D Amplifier for Thermoelectric Devices	DN-76
Zero Current Switching
Resonant Mode Control	U-122
Zero Voltage Switching
Design Examples	U-138
Phase Shifted Full-Bridge Controller	U-154
Resonant Mode ZVS	U-122, U-136, U-138
Transformer Coupled Design Equations	U-138
ZVS Topologies	U-138
ZVS CCFL Drive	U-141, U-148

Subject Listing for Application and Design Notes
Battery Charging	Load Sharing
Battery Protection	Magnetics Design
Bias Supplies	Microprocessor Voltage Regulators
Bootstrap Circuits	Motor Control
Charge Pumps	Power Device Drivers
Class-D Amplifiers	Power Factor Correction
Cold Cathode Fluorescent Lamp Driver (CCFL)	PWM Oscillators
Control Techniques	Rectification
Current Sensing	Resonant Converters
Distributed Power	Ring Generators
Electronic Loads	Secondary Side Regulation
Feedback Techniques	SEPIC Converter
Frequency Foldback	Small Signal Analysis
Hot Swap Power Managers	Subharmonic Oscillation
IGBT Drivers	Supervisor Functions
Isolation Amplifier	Switching Regulators - Reference Designs
Leading Edge Blanking	Thermoelectric Drivers
Lighting Circuits	Zero Current Switching
Linear Voltage Regulators	Zero Voltage Switching