George Qian, Linear Technology Design Note 559 Introduction In traditional isolated high voltage flyback converters, tight regulation is achieved using opto-couplers to transfer regulation information from the secondary-side reference circuitry to ...
Introduction Positive to negative conversion (inverting output) is widely used in LCD devices, OLED displays, audio amplifiers, industrial machinery, semiconductor manufacturing process control equipment, measurement tools, testing systems, LED ...
Electronics engineers often use photovoltaic-module simulators to test dc/dc-power converters, inverters, or MPPT (maximum-power-point-tracking)-control techniques. The use of these simulators lets you work in the laboratory with predefined ...
Spehro Pefhany EDN Occasionally, you have access to a transformer for powering a dc circuit, but its output voltage is much higher than that required for the dc voltage. The full-wave-rectified and filtered output of an ac input voltage V X , is V ...
Larry Suppan, Maxim Integrated Application Note 657 Placing a load-disconnect circuit on the output of a bootstrapped step-up regulator allows the regulator to start with load currents much higher than would otherwise be possible (Figure 1). During ...
Introduction Positive-to-negative DC/DC conversion (inverting output) is widely used in LCD devices, OLED displays, audio amplifiers, industrial equipment, measurement tools, test systems, LED drivers and battery chargers. In all of these cases, ...
Introduction The LTC®3110 bidirectional buck-boost DC/DC regulator charges and balances a supercapacitor when a bus voltage is present (for example 3.3 V) and discharges the supercapacitor into the load when the bus fails. The LTC3110 maintains ...
Fabio Cacciotto, STMicroelectronics EDN Modern appliances offer a range of features that rely heavily on microcontrollers and auxiliary circuits. Although conventional iron-core transformers can provide ac line-isolated, low-voltage power for a ...
Introduction The LTC®3890 (dual outputs) and LTC3891 (single output) step-down DC/DC controllers directly accept inputs from 4 V to 60 V. This wide input range covers input voltages for single or double battery automotive environments, thus ...
Rick Bosma Electronic Design This circuit, based on discrete transistors and diodes, develops hysteresis to resolve and avoid the non-stop turn-on/off cycling that may otherwise occur when using supercapacitors as a transitional or shutdown-period ...