By Gabriel Rincon-Mora
Master Analog Integrated-Circuit Design
Design, examine, and construct linear low-dropout (LDO) regulator ICs in bipolar, CMOS, and biCMOS semiconductor method applied sciences. This authoritative advisor deals a special emphasis on embedded LDO layout. via intuitive causes and unique illustrations, the booklet exhibits how one can placed those theories to paintings growing analog ICs for the newest transportable, battery-powered devices.
Analog IC layout with Low-Dropout Regulators info the complete product improvement cycle-from defining goals and choosing parts to blueprinting, assembling, and fine-tuning functionality. paintings with semiconductors, hire unfavourable suggestions, deal with fluctuating lots, and embed regulators in ICs. additionally, you will tips on how to construct prototypes, practice assessments, and combine system-on-chip (SoC) performance. realize how to:
- Design, try out, and gather BJT-, MOSFET-, and JFET-based linear regulators
Use present mirrors, buffers, amplifiers, and differential pairs
- Integrate suggestions loops, detrimental suggestions, and keep watch over limits
Maintain an autonomous, sturdy, noise-free, and predictable output voltage
Compensate for low enter present and large voltage swings
- Optimize accuracy, potency, battery existence, and integrity
Implement overcurrent safeguard and thermal-shutdown features
Establish strength and working limits utilizing characterization strategies
Read or Download Analog IC Design with Low-Dropout Regulators (LDOs) (Electronic Engineering) PDF
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Additional info for Analog IC Design with Low-Dropout Regulators (LDOs) (Electronic Engineering)
Ultimately, their combined large- and small-signal response determines the extent to which a system is able to achieve its overall performance objectives, which is why understanding their individual effects first is critical. Subsequent chapters will then use and combine these basic analog building blocks to design and analyze the operating limits of linear regulator circuits. 1 Resistors The most basic, yet most powerful device an IC designer uses is a resistor. Although not frequently thought this way, it is most often used as a short-circuit link to conduct an electrical signal from one circuit to another.
As a result, the buffer typically slews into the highly capacitive node in one direction and not the other, giving rise to different response times and therefore asymmetrical effects on the regulated output. A symmetrical response is possible with class-B and class-AB buffers but they usually require more silicon real estate, complexity, and noise, which amount to higher cost. , the regulator) to respond (in Δt1). , when class-A buffer slews) normally govern the extent of response time Δt1, which exceeds the corresponding bandwidth time (1/BWCL).