NCP1631PFCGEVB Interleaved PFC Stage Driven by the NCP1631 Evaluation Board User's
... presented application, we choose to clamp the switching frequency at around 120 kHz in each phase, because this frequency is generally a good trade−off when considering the following aspects: • A high switching frequency reduces the size of the storage elements. In particular, it is well known that ...
... presented application, we choose to clamp the switching frequency at around 120 kHz in each phase, because this frequency is generally a good trade−off when considering the following aspects: • A high switching frequency reduces the size of the storage elements. In particular, it is well known that ...
LTC4081
... may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC4081 is guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the –40°C to 85°C operating temperatur ...
... may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC4081 is guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the –40°C to 85°C operating temperatur ...
2N7002E N-Channel 60 V (DS) MOSFET
... statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and / or ...
... statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and / or ...
Bidirectional, High-Side, Current-Sense Amplifiers with Reference General Description Features
... devices have a low 100µA supply current that reduces to only 10µA (typ) in shutdown mode. To achieve maximum flexibility, an external current-sense resistor is used along with a gain select pin (GSEL) to choose either 50V/V or 100V/V. Drive GSEL low to select gain of 50V/V or drive GSEL high to choo ...
... devices have a low 100µA supply current that reduces to only 10µA (typ) in shutdown mode. To achieve maximum flexibility, an external current-sense resistor is used along with a gain select pin (GSEL) to choose either 50V/V or 100V/V. Drive GSEL low to select gain of 50V/V or drive GSEL high to choo ...
3.4 Metering Functions
... The motor and energy management system shall consist of a Current/Voltage Measurement Module and a Main CPU Module. The motor and energy managements system shall have a current operating range of 0.1 and 2000 amperes. The motor and energy management system shall provide current, voltage, power and t ...
... The motor and energy management system shall consist of a Current/Voltage Measurement Module and a Main CPU Module. The motor and energy managements system shall have a current operating range of 0.1 and 2000 amperes. The motor and energy management system shall provide current, voltage, power and t ...
BD9D321EFJ
... Over current protection function is effective by controlling current which flows in low side MOSFET by 1 cycle each of switching period. With inductor current exceeding the current restriction setting value IOCP when LG is ON, the HG pulse cannot be hit even with FB voltage under REF voltage and LG ...
... Over current protection function is effective by controlling current which flows in low side MOSFET by 1 cycle each of switching period. With inductor current exceeding the current restriction setting value IOCP when LG is ON, the HG pulse cannot be hit even with FB voltage under REF voltage and LG ...
High-Voltage, 2.2MHz, 2A Automotive Step- Down Converter with Low Operating Current MAX16974
... Junction-to-Ambient Thermal Resistance (qJA).........38.3°C/W Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a fourlayer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial ...
... Junction-to-Ambient Thermal Resistance (qJA).........38.3°C/W Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a fourlayer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial ...
ZXTC2045E6 Features Mechanical Data
... 6. For a device surface mounted on 15mm x 15mm FR4 PCB with high coverage of single sided 1oz copper, in still air conditions; the device is measured when operating in a steady-state condition. 7. Same as note (6), except the device is surface mounted on 25mm x 25mm 1oz copper. 8. Same as note (6), ...
... 6. For a device surface mounted on 15mm x 15mm FR4 PCB with high coverage of single sided 1oz copper, in still air conditions; the device is measured when operating in a steady-state condition. 7. Same as note (6), except the device is surface mounted on 25mm x 25mm 1oz copper. 8. Same as note (6), ...
BQ24105-Q1 数据资料 dataSheet 下载
... Power-good status output (open drain). The transistor turns on when a valid VCC is detected. It is turned off in the sleep mode. PG can be used to drive a LED or communicate with a host processor. ...
... Power-good status output (open drain). The transistor turns on when a valid VCC is detected. It is turned off in the sleep mode. PG can be used to drive a LED or communicate with a host processor. ...
UCC2897A 数据资料 dataSheet 下载
... by RON and ROFF. If the pulse width of the synchronization signal stays within these limits, the maximum operating duty ratio remains valid as defined by the ratio of RON and ROFF, and DMAX is the same in free running and in synchronized modes of operation. If the pulse width of the synchronization ...
... by RON and ROFF. If the pulse width of the synchronization signal stays within these limits, the maximum operating duty ratio remains valid as defined by the ratio of RON and ROFF, and DMAX is the same in free running and in synchronized modes of operation. If the pulse width of the synchronization ...
Battery Model: D31A Part Number: 8051
... Recharge time will vary according to temperature and charger characteristics. When using Constant Voltage chargers, amperage will taper down as the battery becomes recharged. When amperage drops below 1 amp, the battery will be close to a full state of charge. (All charge recommendations assume an a ...
... Recharge time will vary according to temperature and charger characteristics. When using Constant Voltage chargers, amperage will taper down as the battery becomes recharged. When amperage drops below 1 amp, the battery will be close to a full state of charge. (All charge recommendations assume an a ...
Circuit Building Lab
... 1. With your powers supply OFF, turn both voltage knobs all the way down, and turn the current knob all the way up. 2. Plug in the power supply and turn it on. Adjust the voltage so that it reads 3.0 volts. Do not touch this setting or the current setting again unless you are told to do so. 3. To re ...
... 1. With your powers supply OFF, turn both voltage knobs all the way down, and turn the current knob all the way up. 2. Plug in the power supply and turn it on. Adjust the voltage so that it reads 3.0 volts. Do not touch this setting or the current setting again unless you are told to do so. 3. To re ...
JS3217191723
... magnitudes of THD indices for comparison purpose. In the analysis it is found that the THD in output voltage decrease and output voltage increase with increase in number of levels. The THD has been analyzed by the MATLAB/Simulink. ...
... magnitudes of THD indices for comparison purpose. In the analysis it is found that the THD in output voltage decrease and output voltage increase with increase in number of levels. The THD has been analyzed by the MATLAB/Simulink. ...
AC electrical theory
... Antenna'. Its purpose was (and still is) to widen the audience for the other articles by providing essential background material, but it can just as well be read by those who have a more general interest. The approach adopted is that of starting with the basic laws of DC electricity and expanding th ...
... Antenna'. Its purpose was (and still is) to widen the audience for the other articles by providing essential background material, but it can just as well be read by those who have a more general interest. The approach adopted is that of starting with the basic laws of DC electricity and expanding th ...
Presentation at ONR Contractor Meeting, CMU, April 2001
... Novices make mistakes -- e.g., two resistors in parallel draw more current from a battery. (Gentner and Gentner, 1983) (i) water analogy not good; (ii) crowds pushing through gates. Good analogy for parallel resistors (emphasis on paths), but novices think of charges pile up on one side of gate; i., ...
... Novices make mistakes -- e.g., two resistors in parallel draw more current from a battery. (Gentner and Gentner, 1983) (i) water analogy not good; (ii) crowds pushing through gates. Good analogy for parallel resistors (emphasis on paths), but novices think of charges pile up on one side of gate; i., ...
WATER COOLED POWER TETRODE 8974
... tube is used for medium-wave and high frequency broadcast service at output power levels in the megawatt range. The 8974 has a two-section thoriated-tungsten mesh filament mounted on water-cooled supports. The two sections may be fed from an ac or dc power source. The maximum anode dissipation ratin ...
... tube is used for medium-wave and high frequency broadcast service at output power levels in the megawatt range. The 8974 has a two-section thoriated-tungsten mesh filament mounted on water-cooled supports. The two sections may be fed from an ac or dc power source. The maximum anode dissipation ratin ...
BD7541G
... The voltage difference between inverting input and non-inverting input is the differential input voltage. Then input pin voltage is set to more than VSS. (Note 6) An excessive input current will flow when input voltages of more than VDD+0.6V or less than VSS-0.6V are applied. The input current can b ...
... The voltage difference between inverting input and non-inverting input is the differential input voltage. Then input pin voltage is set to more than VSS. (Note 6) An excessive input current will flow when input voltages of more than VDD+0.6V or less than VSS-0.6V are applied. The input current can b ...
Backlight Driver for 5 LEDs with Charge Pump and PWM Control
... high current fractional charge pump output. The charge pump multiplies the input voltage by 1, 1.5, or 2 times. The charge pump switches at a fixed frequency of 250kHz in 1.5x and 2x modes and is disabled in 1x mode to save power and improve efficiency. The mode selection circuit automatically selec ...
... high current fractional charge pump output. The charge pump multiplies the input voltage by 1, 1.5, or 2 times. The charge pump switches at a fixed frequency of 250kHz in 1.5x and 2x modes and is disabled in 1x mode to save power and improve efficiency. The mode selection circuit automatically selec ...
frequency controlled ac motor drive - Allen
... Squirrel cage motors are asynchronous induction machines whose speed depends upon applied frequency, pole pair number, and load torque. At a constant supply voltage and frequency, if the effect of temperature variations is disregarded, the motor torque will depend upon slip - Shown in Figure as An. ...
... Squirrel cage motors are asynchronous induction machines whose speed depends upon applied frequency, pole pair number, and load torque. At a constant supply voltage and frequency, if the effect of temperature variations is disregarded, the motor torque will depend upon slip - Shown in Figure as An. ...