Capacitor Charge and Energy Density 395
Output Voltage Ripple 399
Power Capacitor Currents 401
L and Co Loss for Minimum Filter Size 409
Power Switches 415
Diode Reverse Recovery 416
Series L Reduction of Reverse Current 418
Darlington and BJT Switches 420
MOSFET Conduction Loss 428
MOSFET Voltage Breakdown 429
Optimal MOSFET Utilization 431
GaN and SiC Transistors 432
Circuit-Board Power-Bus Resonance 435
Power Driver Circuits 437
H-Bridge Switching and Sensing 439
Low-Side MOSFET Switching 444
Direct High-Side Drivers 451
Opto-Coupled High-Side Driver 454
High-Side Bootstrap Supply Circuits 455
High-Side Gate-Driver Supply 457
High-Side Driver Current Control 458
Transformer-Coupled Gate Drivers 461
Sampling Gate Driver 463
Clamping Gate Drivers 464
One-Sided Gate Driver 468
Innovatia Gate Driver 470
Low-Side Current Sensing 473
Sense Resistor Parasitic Inductance 478
Current-Sense Amplifiers 484
Sense-Resistor Board Layout 488
Current Transformer Sensing 489
Magnetic Saturation Sensing 495
Hall-Effect Device Sensing 499
High-Side Resistive Current Sensing 501
Wilson Current Mirror 507
High-Side ISN Example 508
TL431 Voltage Reference 512
TL431 Circuit Model 514
TL431 Parameter Derivations 518
Output Resistance 518
rout from Gm Currents 520
Gm and ro from Test Data 522
TL431 in Feedback Circuits 523
TL431 Dynamics 526
TL431 Output Impedance 531
Voltage Protection Circuits 535
Overcurrent Protection 542
Passive OCP 543
Transient and Steady-State OCP 546
Overtemperature Protection 556
Fan Control of Temperature 562
One-BJT Temperature Measurement 563
Voltage Positioning 567
PWM Voltage Control 568
PWM Current Control 579
Multicycle Burst Control 583
Converter Dual-Path Feedback Circuit 584
BPP Drive with Single PWM Outputs 585
Digital PWM Control 588
One-Comparator AST 592
Hysteresis Comparator Circuits 597
555 Timer 599
2-BJT Astable Timer 603
Starting Circuits 608
Boost PFC Control Supply 612
Conductive Heat Transfer 614
Component Thermal Resistance 616
Convective Heat Transfer 618
Heat-Sink Circuit-Board Configurations 620
Forced Convection Cooling 624
Thermal Design Examples 626
Fan Driver Design 628
Radiative Heat Transfer 633
Thermal Dynamics 633
Thermal Feedback and Stability 636
Heat Sinks as Temperature Sensors 638
Thermoelectric Conversion 638
256 pages
