FAQ：DC/DC Switching Regulators
FAQ：DC/DC Switching Regulators
- What is an overvoltage protection (OVP)?
- What is an under-voltage lockout (UVLO) function?
- What is a shutdown function for the step-up DCDC converter?
- What is externally programmable maximum duty cycle?
- How should I select an inductor for a DC/DC converter?
- What is an over-current protection (OCP) for DC/DC converters?
- What is the overcurrent limiting function of the DC/DC switching regulator?
- What is a soft-start function?
- What is externally adjustable phase compensation?
- What is power sequence control for LCD panel and CCD sensor?
- What is LED dimming control for step-up DC / DC converters (R120x series) for LEDs? How can it be done?
- What is the difference between diode rectification and synchronous rectification?
- What does 'SSCG(SSFM)' stand for? What can be expected from SSCG?
- What is hiccup protection in DC/DC converters? What is the difference between latch protection and hiccup protection?
- What is the difference between forced PWM and normal PWM? Which type of PWM control device should I choose in what case?
- In what way is a DC/DC converter for energy harvesters different from other converters?
- What is the MPPC function?
- When the input voltage was raised steeply from a low value, the output of the DC/DC converter may overshoot. Why did this happen? How should I take measures against this problem?
- What is the difference between DC/DC converters and LDO regulators?
- What is the difference between LDO's shutdown current(1) and quiescent current(2)? How much voltage does an LDO regulator output at its shutdown mode?
- Could I get IBIS model for an analog IC( op amp or regulator )?
- How should external components be located on a PCB?
- What must be taken into account to lay out PCB?
- At what point is a source voltage applied to a CE pin?
- What does externally adjustable output voltage mean?
- What will happen if the CE is at high impedance?
- What is an auto-discharge function?
- What is a reverse current protection circuit?
- What is a thermal shutdown circuit?
- What must be taken into account if CE pin is tied to VDD pin? Is it necessary to pull up CE pin to VDD pin by a resistor?
- How should I measure the efficiency of a DC/DC converter? What should be taken into consideration for the measurement?
- How does a BST pin function?