KBIC DC Motor Speed Control Simplified
... Blown Devices, such as SCR's or flat pack diodes, are caused by shorted or possibly grounded armature leads. Blown Devices, such as MOV's, are usually caused by an over line voltage condition or line surges greater than the MOV can tolerate. STEP 2: Set scale of VOM to diode scale. Remove Plug-In-Ho ...
... Blown Devices, such as SCR's or flat pack diodes, are caused by shorted or possibly grounded armature leads. Blown Devices, such as MOV's, are usually caused by an over line voltage condition or line surges greater than the MOV can tolerate. STEP 2: Set scale of VOM to diode scale. Remove Plug-In-Ho ...
EE 446/646 Photovoltaic Devices III
... A PV module is made up of 36 identical cells, all wired in series. With 1-sun insolation (1 kW/m2), each cell has short-circuit current ISC = 3.4 A and at 25◦ C its reverse saturation current is Io = 6 × 10 −10 A. Parallel resistance RP = 6.6 Ω and series resistance RS = 0.005 Ω. a) Find the voltage ...
... A PV module is made up of 36 identical cells, all wired in series. With 1-sun insolation (1 kW/m2), each cell has short-circuit current ISC = 3.4 A and at 25◦ C its reverse saturation current is Io = 6 × 10 −10 A. Parallel resistance RP = 6.6 Ω and series resistance RS = 0.005 Ω. a) Find the voltage ...
NCP102MBGEVB NCP102 4 W Motherboard Evaluation Board User's Manual
... has a Vth of 2.0 V, an RqJA of 71.4°C/W and an RqJC of 3°C/W. Using RqJA and the maximum ambient temperature a TJ of 178°C is calculated. That is slightly higher than the maximum junction temperature of the device and exceeds the derating factor. As RqJA provided in the NTD40N03 datasheet is for a s ...
... has a Vth of 2.0 V, an RqJA of 71.4°C/W and an RqJC of 3°C/W. Using RqJA and the maximum ambient temperature a TJ of 178°C is calculated. That is slightly higher than the maximum junction temperature of the device and exceeds the derating factor. As RqJA provided in the NTD40N03 datasheet is for a s ...
TPS60400-Q1 数据资料 dataSheet 下载
... ranging from 1.6 V to 5.5 V. The devices are typically supplied by a preregulated supply rail of 5 V or 3.3 V. Due to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as one Li-Ion cell can also power them. Only three external 1-µF capacitors are required to ...
... ranging from 1.6 V to 5.5 V. The devices are typically supplied by a preregulated supply rail of 5 V or 3.3 V. Due to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as one Li-Ion cell can also power them. Only three external 1-µF capacitors are required to ...
FAN6754WA Highly Integrated Green-Mode PWM Controller FAN6754WA — Highly Integra
... modulation to reduce the switching frequency in lightload and no-load conditions. VFB, which is derived from the voltage feedback loop, is taken as the reference. Once VFB is lower than the threshold voltage (VFB-N), the switching frequency is continuously decreased to the minimum Green-Mode frequen ...
... modulation to reduce the switching frequency in lightload and no-load conditions. VFB, which is derived from the voltage feedback loop, is taken as the reference. Once VFB is lower than the threshold voltage (VFB-N), the switching frequency is continuously decreased to the minimum Green-Mode frequen ...
MP20075 - Monolithic Power System
... ground with a 1.0μF ceramic capacitor for stable operation. The VTTREF is turned on as long as VDDQ is higher the UVLO threshold. VTTREF features a soft-start and tracks VREF/2. Output Voltages Sensing The VTT output voltage is sensed across the VTTSEN and GND pins. The VTTSEN should be connected to ...
... ground with a 1.0μF ceramic capacitor for stable operation. The VTTREF is turned on as long as VDDQ is higher the UVLO threshold. VTTREF features a soft-start and tracks VREF/2. Output Voltages Sensing The VTT output voltage is sensed across the VTTSEN and GND pins. The VTTSEN should be connected to ...
Specification Status: Released PolyZen GENERAL DESCRIPTION
... VINT Max: VINT Max relates to the voltage across the PPTC portion of the PolyZen device (V IN-VOUT). VINT Max is defined as the voltage (VIN-VOUT) at which typical qualification devices (98% devices, 95% confidence) survived at least 100 trip cycles and 24hours trip endurance at the specified voltag ...
... VINT Max: VINT Max relates to the voltage across the PPTC portion of the PolyZen device (V IN-VOUT). VINT Max is defined as the voltage (VIN-VOUT) at which typical qualification devices (98% devices, 95% confidence) survived at least 100 trip cycles and 24hours trip endurance at the specified voltag ...
AD5520: 英文产品数据手册下载
... The AD5520 is a single-channel, per pin parametric measurement unit (PPMU) for use in semiconductor automatic test equipment. The part is also suited for use as a source measurement unit for instrumentation applications. It contains programmable modes to force a pin voltage and measure the correspon ...
... The AD5520 is a single-channel, per pin parametric measurement unit (PPMU) for use in semiconductor automatic test equipment. The part is also suited for use as a source measurement unit for instrumentation applications. It contains programmable modes to force a pin voltage and measure the correspon ...
MAX17083 Low-Voltage, Internal Switch, Step-Down Regulator General Description
... When MAX17083 operates in pulse-skipping mode, the on-time of the step-down controller terminates when both the output voltage exceeds the feedback threshold, and the current-sense voltage exceeds the idlemode current-sense threshold. Under light-load conditions, the on-time duration depends solely ...
... When MAX17083 operates in pulse-skipping mode, the on-time of the step-down controller terminates when both the output voltage exceeds the feedback threshold, and the current-sense voltage exceeds the idlemode current-sense threshold. Under light-load conditions, the on-time duration depends solely ...
OPA4872-EP 数据资料 dataSheet 下载
... The OPA4872 offers a very wideband 4:1 multiplexer in an SO-14 package. Using only 10.6 mA, the OPA4872 provides a user-settable output amplifier gain with greater than 500-MHz large-signal bandwidth (2 VPP). The switching glitch is improved over earlier solutions using a new (patented) input stage ...
... The OPA4872 offers a very wideband 4:1 multiplexer in an SO-14 package. Using only 10.6 mA, the OPA4872 provides a user-settable output amplifier gain with greater than 500-MHz large-signal bandwidth (2 VPP). The switching glitch is improved over earlier solutions using a new (patented) input stage ...
TL7660 CMOS VOLTAGE CONVERTER FEATURES APPLICATIONS
... transferred from C1 to C2 such that the voltage on C2 is exactly VCC, assuming ideal switches and no load on C2. The TL7660 approaches this ideal situation more closely than existing non-mechanical circuits. In the TL7660, the four switches of Figure 2 are MOS power switches: S1 is a p-channel devic ...
... transferred from C1 to C2 such that the voltage on C2 is exactly VCC, assuming ideal switches and no load on C2. The TL7660 approaches this ideal situation more closely than existing non-mechanical circuits. In the TL7660, the four switches of Figure 2 are MOS power switches: S1 is a p-channel devic ...
MAX1513/MAX1514 TFT-LCD Power-Supply Controllers General Description Features
... high-performance step-up regulator controller, three linear-regulator controllers, and an adjustable delay block for startup sequencing. The MAX1513 includes an additional linear-regulator controller and a high-performance buffer amplifier. The MAX1513/MAX1514 can operate from 2.7V to 5.5V input sup ...
... high-performance step-up regulator controller, three linear-regulator controllers, and an adjustable delay block for startup sequencing. The MAX1513 includes an additional linear-regulator controller and a high-performance buffer amplifier. The MAX1513/MAX1514 can operate from 2.7V to 5.5V input sup ...
DESIGN AND CONSTRUCTION OF FIRING CIRCUIT FOR THREE
... five stages. Square wave generator, ramp generator, voltage comparator, pulse splitter, and pulse isolator. The schematic of the complete firing circuit is shown in fig. (2), with its typical waveforms for different stages shown in Fig. (3).The square wave generator comprises three step-down transfo ...
... five stages. Square wave generator, ramp generator, voltage comparator, pulse splitter, and pulse isolator. The schematic of the complete firing circuit is shown in fig. (2), with its typical waveforms for different stages shown in Fig. (3).The square wave generator comprises three step-down transfo ...
MAX4785–MAX4788 50mA/100mA Current-Limit Switches General Description Features
... The MAX4785–MAX4788 are forward/reverse currentlimited switches that operate from a 2.3V to 5.5V input voltage range and guarantee a 50mA and 100mA minimum current-limit threshold for different options. The voltage drop across an internal sense resistor is compared to two reference voltages to indic ...
... The MAX4785–MAX4788 are forward/reverse currentlimited switches that operate from a 2.3V to 5.5V input voltage range and guarantee a 50mA and 100mA minimum current-limit threshold for different options. The voltage drop across an internal sense resistor is compared to two reference voltages to indic ...
Lab 6 Series and Parallel Circuits - Lawrence Technological University
... parallel combinations. Resistors R1 and R2 are in parallel, and that set is in series with Resistor R3. Combination circuit 1. Circuit diagram. Connect the power supply and the resistors as shown below: ...
... parallel combinations. Resistors R1 and R2 are in parallel, and that set is in series with Resistor R3. Combination circuit 1. Circuit diagram. Connect the power supply and the resistors as shown below: ...
EET 161 02
... CALCULATOR: a TI 84 or 86 or 89 or equivalent calculator is required for this class. COURSE DESCRIPTION: The first course in a series designed for an in-depth study of electronics. Performance goals will equip the learner with the ability to analyze series and parallel circuits, measure circuit valu ...
... CALCULATOR: a TI 84 or 86 or 89 or equivalent calculator is required for this class. COURSE DESCRIPTION: The first course in a series designed for an in-depth study of electronics. Performance goals will equip the learner with the ability to analyze series and parallel circuits, measure circuit valu ...
Lecture_7
... car can be designed is to put resistors in series with the fan motor. The resistors reduce the current through the motor and make it run more slowly. Suppose the current in the motor is 5.0 A when it is connected directly across a 12-V battery. (a) What series resistor should be used to reduce the c ...
... car can be designed is to put resistors in series with the fan motor. The resistors reduce the current through the motor and make it run more slowly. Suppose the current in the motor is 5.0 A when it is connected directly across a 12-V battery. (a) What series resistor should be used to reduce the c ...
FAN6754B Highly Integrated Green- Mode PWM Controller FAN6754B — Highly Integrated
... achieve brownout and high/low line compensation. Once the voltage on the HV pin is lower than the brownout voltage, PWM output turns off. High/low line compensation dominates the cycle-bycycle current limiting to achieve constant output power limiting with universal input. ...
... achieve brownout and high/low line compensation. Once the voltage on the HV pin is lower than the brownout voltage, PWM output turns off. High/low line compensation dominates the cycle-bycycle current limiting to achieve constant output power limiting with universal input. ...