Electric Variable Regulation TRIZ Cases

A positive-temp bias module offsets flip voltage follower drift, stabilizing output voltage while cutting standby power and chip area.

A selector switches the pass transistor to full conduction below a supply threshold, helping an LDO hold output voltage under low headroom.

Using transistor on-resistance instead of large resistor ratios, this circuit cuts reference voltage noise while preserving supply and temperature stability.

A single op-amp and multiple pass transistors regulate separate voltage domains while cutting power use, IR drop, and cross-regulation.

Using BJTs at different current densities, this circuit delivers a stable reference voltage with low power draw at supply voltages near or below 1 V.

Amplifier feedback and threshold-tuned MOSFET branches stabilize nanoamp bias current and limit process-corner reference voltage error to 6%.

A series resistor with phase compensation equalizes input noise in a constant voltage generator, preventing DC offset and IC malfunction.

Peak and dip suppression outside the main LDO feedback loop stabilizes output voltage under varying loads with low bias current.

Active transistor-current-source compensation keeps LDO output near its set point during load and line transients without external capacitors.

Dynamic trans-conductance control in an LDO compensation circuit suppresses high-frequency noise and sustains wideband PSRR.

Adjusting current mirror ratio with a temperature-driven compensation current keeps reference voltage stable beyond first-order compensation.

A dual-loop LDO uses current mirrors and feedback to cut voltage droop during load changes while keeping output voltage stable.

An integrated LDO, bandgap reference, and mode detector stabilize PA bias across temperature and supply swings while keeping sleep current low.

Biasing the current limiter from output current lets an LDO keep overload protection while eliminating no-load quiescent current.

Resistor feedback and overshoot protection let this capacitor-less LDO keep loop stability and fast transient response without an output capacitor.

A clamp and gate driver keep PMOS transistors in saturation, cutting ripple and transistor heating under variable input voltage.

A capacitor-driven boost transistor and diode improve output-voltage response while suppressing boost current peaks and cutting constant current paths.

Sense contacts on a resistive track isolate contact resistance and counter P-N junction thermal bias to keep the reference voltage stable.

An OP-amp pre-settling circuit brings the reference output near target during power-up, shortening analog wake-up time and saving power.

Adaptive gain control helps an LDO hold its set-point through load and line transients without external capacitors.

Two-stage voltage-to-current and voltage-to-voltage conversion keeps mirrored current accurate while enabling a wider reference voltage range.

Uses matched temperature coefficients in a sensing circuit and resistor to keep mirrored current stable without extra pins or external resistors.

An auxiliary-current helper transistor supplies extra charge during load spikes, reducing voltage droop and capacitor size in fast regulators.

Dual reference voltages enable baseline trimming of multiple VDD generators, then precise IO pad adjustment to avoid improper voltage settings.

A current-mirror feedback path limits rising LDO output current by adjusting pass-switch gate drive, improving stability and reliability.

A load resistance sensor sets sense and clamp voltages so a current output circuit cuts power dissipation without adding settling delay.

A clamp circuit and gate driver keep digital LDO output stable under input variation, reducing ripple, transistor heating, and aging.

Periodic path switching averages resistor mismatch in a bandgap reference circuit, keeping the output voltage stable across temperature changes.

A current-dependent voltage shift lets an LDO buffer drive higher current while reaching lower output voltages with less silicon area.

Segmented differential-pair correction currents improve nonlinear temperature compensation in bandgap reference voltage circuits.

Symmetrical current mirror RC networks shift pole-zero positions in cap-less LDOs, improving stability and load response with minimal area and power.

Periodic enable clocks let a bandgap circuit charge and hold its reference voltage, cutting continuous power draw without losing stability.

A parallel slow loop adjusts power transistor strength from switching pulses to keep LDO output stable with fast response and lower ripple.

A dual feedback loop separates pass-element control and bias correction to improve low-frequency PSRR and reduce LDO gain errors.

A PTAT/CTAT transistor-based reference circuit avoids resistor drift to improve startup stability and temperature-insensitive output.

Temperature-sensed bias current switching keeps RF power amplifier gain flat across wide temperature and supply ranges with high efficiency.

Separating adaptive biasing to the LDO output stage preserves error-amplifier bandwidth, PSRR, and stable clean supply voltage.

Clock-derived internal high-level voltage cancels step-down drops on bus data lines, avoiding extra power sources and native MOSFETs.

Integrated dual LDO control enables selective voltage tracking and automatically disables tracking during overvoltage events to protect the auxiliary regulator.

Glitch mitigation circuitry holds the output transistor terminal voltage steady during switching, reducing kickback in selectable current mirrors.

Dynamic substrate bias lowers transistor threshold for low-voltage startup, then suppresses leakage current as supply returns to normal.

Mode-switched compensation in an LDO cuts overshoot and undershoot during activity-standby transitions while keeping the loop stable.

A dual feedback loop balances fast LDO transient response with stable gain correction to improve PSRR and noise rejection.

A quasi-adaptive controller varies gate charging and discharging currents to keep capless regulator output stable during sudden load steps.

A mirrored base current cancellation circuit linearizes CTAT current over temperature, improving low-voltage bandgap reference accuracy.

Cascode decoupling isolates bipolar collectors from supply variation, improving bandgap PSR and reducing current mismatch.

PTAT and CTAT current summing enables a low-voltage reference circuit with reduced offset error and stable output across temperature.

PTAT and zero-TC current sources cancel linear and nonlinear temperature terms, flattening bandgap reference voltage curvature.

Current sensing and track impedance compensation keep load voltage stable across varying currents without an extra feedback pin.

A mode-controlled switch enables charge sharing in an on-chip active LDO regulator to cut wake-up delay and reduce output voltage undershoot.