MAX8560/MAX8561/MAX8562 4MHz, 500mA Synchronous Step-Down DC-DC Converters in Thin SOT and TDFN
... Capacitor Selection Output Capacitor The output capacitor, C OUT, is required to keep the output voltage ripple small and to ensure regulation loop stability. COUT must have low impedance at the switching frequency. Ceramic capacitors with X5R or X7R dielectrics are highly recommended due to their s ...
... Capacitor Selection Output Capacitor The output capacitor, C OUT, is required to keep the output voltage ripple small and to ensure regulation loop stability. COUT must have low impedance at the switching frequency. Ceramic capacitors with X5R or X7R dielectrics are highly recommended due to their s ...
A new Circuit for Low-Cost Electronic Ballast Passive Valley Fill with
... The goal of this design is to implement a low-cost linear ballast with good PFC, acceptable THD and low current-crest factor. The ballast will use Passive Valley Fill configuration to reduce costs compared to standard PFC. To overcome the disadvantage of the very high current crest factor, additiona ...
... The goal of this design is to implement a low-cost linear ballast with good PFC, acceptable THD and low current-crest factor. The ballast will use Passive Valley Fill configuration to reduce costs compared to standard PFC. To overcome the disadvantage of the very high current crest factor, additiona ...
MAX16801A/B/MAX16802A/B Offline and DC-DC PWM Controllers for High-Brightness LED Drivers General Description
... drive of the external MOSFET. This re-initiates a startup sequence with soft-start. When the LED current needs to be tightly regulated, an internal error amplifier with 1% accurate reference can be used (Figure 9). This additional feedback minimizes the impact of passive circuit component variations ...
... drive of the external MOSFET. This re-initiates a startup sequence with soft-start. When the LED current needs to be tightly regulated, an internal error amplifier with 1% accurate reference can be used (Figure 9). This additional feedback minimizes the impact of passive circuit component variations ...
Power Quality Analyzer Class A Accuracy Certified MC784
... accessing recorded or real time values from multiple instruments installed on different locations it is possible to gain the overall picture of the complete systems’ behavior. This can be achieved with regard to MC784 accurate internal real time clock and wide range of synchronization sources suppor ...
... accessing recorded or real time values from multiple instruments installed on different locations it is possible to gain the overall picture of the complete systems’ behavior. This can be achieved with regard to MC784 accurate internal real time clock and wide range of synchronization sources suppor ...
Aalborg Universitet J.; Sørensen, T.
... system in several ways such as: the lateral sizes of the systems, the large number of identical sub systems: generators, power converters, transformers, and switchgears in the WTs and collection network cable network; and also unusual compared to other power system´s operating conditions and environ ...
... system in several ways such as: the lateral sizes of the systems, the large number of identical sub systems: generators, power converters, transformers, and switchgears in the WTs and collection network cable network; and also unusual compared to other power system´s operating conditions and environ ...
Complete PDF Edition (1,323 KB)
... n recent electric power-supply systems, society’s demands for further deregulation and privatization have led to a primary concern over cutting costs without compromising system reliability, making the efficient functioning of the protective and control systems that form the power grid’s central ner ...
... n recent electric power-supply systems, society’s demands for further deregulation and privatization have led to a primary concern over cutting costs without compromising system reliability, making the efficient functioning of the protective and control systems that form the power grid’s central ner ...
Lab 1 - La Salle University
... Use the multi-meter as an ohmmeter. Some of the multi-meters have three holes where the leads (wires) plug in. If yours is like this, make sure the red lead is plugged into the hole marked V- and that the DC (direct current) and k button are depressed. Use the stated resistance found above to choo ...
... Use the multi-meter as an ohmmeter. Some of the multi-meters have three holes where the leads (wires) plug in. If yours is like this, make sure the red lead is plugged into the hole marked V- and that the DC (direct current) and k button are depressed. Use the stated resistance found above to choo ...
OL7272 - Quantum Devices, Inc.
... with each a CMOS/TTL Schmitt Trigger Input (can be driven at up to VCCD as well) and high power differential buffered and inverted outputs. With the low active ENABLE pin it is possible to switch off all eight outputs (high-impedance state), thus this driver can be used in industrial bus systems. In ...
... with each a CMOS/TTL Schmitt Trigger Input (can be driven at up to VCCD as well) and high power differential buffered and inverted outputs. With the low active ENABLE pin it is possible to switch off all eight outputs (high-impedance state), thus this driver can be used in industrial bus systems. In ...
373-ELR Earth Leakage Protection Relay
... Once the trip current and time delay selections have been made, a green LED provides indication of mains healthy supply. The red LED will automatically illuminate if the pre-set fault level has been exceeded, (after any selected time delay). The unit also incorporates a bargraph of 5 yellow LEDs pro ...
... Once the trip current and time delay selections have been made, a green LED provides indication of mains healthy supply. The red LED will automatically illuminate if the pre-set fault level has been exceeded, (after any selected time delay). The unit also incorporates a bargraph of 5 yellow LEDs pro ...
LM2940/LM2940C 1A Low Dropout Regulator
... typically 0.5V and a maximum of 1V over the entire temperature range. Furthermore, a quiescent current reduction circuit has been included which reduces the ground current when the differential between the input voltage and the output voltage exceeds approximately 3V. The quiescent current with 1A o ...
... typically 0.5V and a maximum of 1V over the entire temperature range. Furthermore, a quiescent current reduction circuit has been included which reduces the ground current when the differential between the input voltage and the output voltage exceeds approximately 3V. The quiescent current with 1A o ...
Switching Diode Frequency Doublers
... various powdered metals. The powdered metal cores offer high stability and Q in tuned applications and exhibit low noise and good power handling characteristics. High-Q ferrites are not as stable and are subject to magnetization by weak fields: a refrigerator magnet can permanently devastate the Q a ...
... various powdered metals. The powdered metal cores offer high stability and Q in tuned applications and exhibit low noise and good power handling characteristics. High-Q ferrites are not as stable and are subject to magnetization by weak fields: a refrigerator magnet can permanently devastate the Q a ...
Data Sheet - Profusion plc
... close to the output MOSFETs as possible to minimize output ringing which causes power supply overshoot. By reducing overshoot, these capacitors maximize both the RARA-2500 and output MOSFET reliability. These capacitors should have good high frequency performance performance including low ESR and lo ...
... close to the output MOSFETs as possible to minimize output ringing which causes power supply overshoot. By reducing overshoot, these capacitors maximize both the RARA-2500 and output MOSFET reliability. These capacitors should have good high frequency performance performance including low ESR and lo ...
... The Duke Energy Florida (DEF) transmission network (grid) system supplies the off-site ac power for the LNP 1 and LNP 2 via a common switchyard. The connections of LNP 1, LNP 2, the switchyard, and the 500 kV transmission system are shown in Figures 8.2-201 and 8.2-202 respectively. The common 500 k ...
AccuPower Brochure
... Series of switching power supplies—the latest addition to ASSA ABLOY’s complete line of products for access control. AccuPower™ power supplies provide clean, filtered and accurate lowvoltage DC power to protect and enhance the performance of all access control devices. These power supplies are uniqu ...
... Series of switching power supplies—the latest addition to ASSA ABLOY’s complete line of products for access control. AccuPower™ power supplies provide clean, filtered and accurate lowvoltage DC power to protect and enhance the performance of all access control devices. These power supplies are uniqu ...
ADP3303 - Analog Devices
... Inc., proprietary thermally enhanced package (Thermal Coastline) can handle 1 W of power dissipation without external heatsink or large copper surface on the printed circuit board (PCB). This keeps PCB real estate to a minimum and makes the ADP3303 very attractive for use in portable equipment. ...
... Inc., proprietary thermally enhanced package (Thermal Coastline) can handle 1 W of power dissipation without external heatsink or large copper surface on the printed circuit board (PCB). This keeps PCB real estate to a minimum and makes the ADP3303 very attractive for use in portable equipment. ...
Models 166 and 167 Bridgesensors
... cell signal is amplified and converted to frequency by Models 166 or 167. Scaling is set by changing the amplifier gain or by the V/F scale factor adjustment. These two adjustments allow the user to treat the amplifier and the V/F converter independently if desired. In Figure 2, the amplifier gain w ...
... cell signal is amplified and converted to frequency by Models 166 or 167. Scaling is set by changing the amplifier gain or by the V/F scale factor adjustment. These two adjustments allow the user to treat the amplifier and the V/F converter independently if desired. In Figure 2, the amplifier gain w ...
Electrical substation
A substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Between the generating station and consumer, electric power may flow through several substations at different voltage levels.Substations may be owned and operated by an electrical utility, or may be owned by a large industrial or commercial customer. Generally substations are unattended, relying on SCADA for remote supervision and control.A substation may include transformers to change voltage levels between high transmission voltages and lower distribution voltages, or at the interconnection of two different transmission voltages. The word substation comes from the days before the distribution system became a grid. As central generation stations became larger, smaller generating plants were converted to distribution stations, receiving their energy supply from a larger plant instead of using their own generators. The first substations were connected to only one power station, where the generators were housed, and were subsidiaries of that power station.