Electric Variable Regulation TRIZ Cases

PTAT and CTAT voltage generation with current mirroring and trimming keeps reference voltage stable across wide temperatures and process variation.

Base current redistribution and high-order curvature compensation cut bandgap temperature drift and enable single-temperature trim.

Switch-controlled pre-charge and pre-discharge let an LDO shift between regulation and bypass modes without output undershoot or overshoot.

A capacitor and current-source feed-forward path cancels supply ripple at the power transistor gate to improve LDO PSRR and output stability.

Dynamic loop gain control tracks load current to keep a linear regulator stable while preserving fast transient response across loads.

An on-chip comparator and adjustable resistor self-calibrate reference current, cutting test-pad cost while keeping current stable across temperature changes.

Dynamic loop gain tracking lets this linear regulator keep loop stability and fast transient response across changing load currents.

Using series and parallel arrays of nominally identical resistors, this case improves high-ratio voltage divider accuracy while reducing ratio variation and cost.

Instantaneous node feedback lets an LDO correct wire-induced voltage drop across memory macros, improving voltage stability and write performance.

Calibrated voltage positioning aligns the load line with target tolerances, improving regulator stability and transient response.

CTAT back-gate biasing lowers PMOS threshold voltage to raise load current and voltage headroom while reducing latch-up risk.

A nested gain-boost amplifier helps an LDO stay accurate and stable during load steps without large external compensation capacitors.

A shared current limiter switches from diode-connected startup to loop control, cutting overshoot and startup delay in rising battery conditions.

A boosted-current LDO compensates voltage drop during load transients to keep gate-driver output stable without high average current.

Current sensing, mirroring, and low-pass filtering smooth load transients to keep implantable stimulator output voltage stable.

A cascode pass stage and selectable supply inputs spread short-circuit power dissipation, lowering pass transistor temperature.

Series pass devices and gate biasing clamp high-voltage transients with minimal latency while keeping low-voltage output stable.

Staggered MOSFET current paths and delayed enable signals help a DDR PHY regulator prevent read-request voltage drops and protect read margin.

A segmented LDO circuit uses op-amp feedback and dual regulated voltages to source or sink current and keep output voltage stable.

Active feedback regulates first-stage output resistance in a Miller-compensated LDO to improve low-load phase margin without larger capacitance.

A dual-mode LDO uses segmented high-speed and low-power paths to overcome sensing limits and enable fast transient switching.

An inverse amplifier and capacitor feed back output changes to the LDO gate, suppressing drain-current jitter without external capacitors.

A biasing transistor driven by an opposing control voltage helps an LDO regulator counter abrupt load-current changes and hold output voltage stable.

An op-amp-driven NMOS voltage source improves PSRR and suppresses power supply jitter while keeping mirrored load current stable.

Input and output voltage feedback keep an LDO’s power consumption constant without an internal compensation capacitor, saving chip area.

A beta-multiplier start-up path and comparator stabilize bandgap reference voltage generation across supply, process, and temperature changes.

Diode-connected transistor pairs and impedance isolation stabilize bias generation against threshold-voltage variation and cut output error.

Using coarse-loop duty cycle to preset the fine loop reduces overshoot, undershoot, and ripple after load transients in hybrid LDOs.

A negative resistor circuit offsets feedback loss current in an LDO, raising gain and bandwidth without larger amplifier transistors.

An op-amp and current mirror share transistors to generate stable voltage and current references with low power and low sensitivity to temperature and supply variation.

A feedforward current canceller boosts LDO PSR across wide frequencies by sensing VIN ripple and injecting a counter-current with low quiescent current.

Switchable feedback ratios let an LDO compensate IR-drop across load changes, stabilizing output voltage and reducing settling time.

Force and sense Kelvin contacts isolate poly resistor contact degradation, improving current reference accuracy while reducing 1/f noise and drift.

Adjustable resistor branches let a bandgap circuit tune output voltage and temperature slope to offset manufacturing dispersions.

A switchable second capacitor disconnects in standby to separate pole locations and keep the LDO loop stable without losing regulation.

A transistor-assisted feedback path boosts op-amp slew rate during voltage transients, improving load-step response without hurting power factor or DC regulation.

PTAT and CTAT current paths replace op-amp voltage addition to lower minimum operating voltage while preserving stability and compact area.

Dual asymmetric CMOS amplifiers and split feedback loops generate a precise, noise-robust reference voltage below 1.0V without extensive calibration.

Additional DC- and AC-coupled compensation loops raise cascode transconductance to suppress LDO oscillations during load changes.

A calibrated current-bias circuit holds diode current ratios in a bandgap reference, reducing ripple and age-related accuracy drift.

Feedback current sensing and reference control curb inrush current, prevent temperature-driven dimming, and extend controller life.

Threshold-controlled dual amplifiers and isolated references suppress noise-driven mode transitions while preserving output voltage accuracy.

A cascode source follower with drain-extended transistors and a current mirror expands input voltage range while limiting overload current.

Current sensing and foldback limiting protect regulator circuitry from overload when low-resistance loads demand high current.

Asymmetric MOSFET differential feedback stabilizes reference voltage under temperature, supply noise, and process variation at low supply voltages.

A trim branch adjusts CTAT current using base-current matching to improve low-voltage bandgap reference accuracy over temperature.

A detecting circuit disables the output transistor when the op-amp is inactive, enabling faster regulator start-up without extra voltage monitoring.

A mirrored current path translates a negative-substrate bandgap core into a stable ground-referenced voltage across temperature changes.

An automatic discharge path clears current mirror capacitance during start-up, reducing delay and enabling faster power delivery.