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AP4312 Description Pin Assignments
AP4312 Description Pin Assignments

... The AP4312 contains one 1.21V voltage reference, one low voltage reference used in current sensing circuit and two operational amplifiers. The 1.21V voltage reference, combined with one operational amplifier, makes of an ideal voltage controller for use in adapters and battery chargers. The low volt ...
J. Lu, D.J. Perreault, D. Otten, and K.K. Afridi, “Impedance Control Network Resonant Converter for Wide-Range High-Efficiency Operation,” IEEE Transactions on Power Electronics , (to appear).
J. Lu, D.J. Perreault, D. Otten, and K.K. Afridi, “Impedance Control Network Resonant Converter for Wide-Range High-Efficiency Operation,” IEEE Transactions on Power Electronics , (to appear).

... network (RCN) converter [13]. They both use burst mode control to regulate output voltage and power, and both can maintain ZVS and near ZCS across a wide range of input voltage, output voltage and power levels. However, while RCN converter utilizes a power splitting network in the rectification stag ...
MAX987/MAX988/MAX991/MAX992/MAX995/MAX996 High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators ________________General Description
MAX987/MAX988/MAX991/MAX992/MAX995/MAX996 High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators ________________General Description

... Many comparators consume orders of magnitude more current during switching than during steady-state operation. However, with this family of comparators, the supply-current change during an output transition is extremely small. The Typical Operating Characteristics Supply Current vs. Output Transitio ...
Three-phase Transformers
Three-phase Transformers

Transformer
Transformer

TX600 FM Broadcast Transmitter
TX600 FM Broadcast Transmitter

... Please note that the power supply units in this equipment is of the switched mode variety and have lethal voltages present internally. The switched mode supplies are universal input fully approved type. They are non serviceable modules and should be fully replaced should they fail. FUSES Only use fu ...
lvc characterization information
lvc characterization information

... 3.3-V LVC are the same. Since 5-V tolerant devices can withstand a dc input of 6.5 V, interfacing these two devices does not require additional components or further design efforts. TI’s crossbar technology (CBT) switches can be used to translate from 5-V TTL to 3.3-V devices that are not 5-V tolera ...
1N5820 - Vishay
1N5820 - Vishay

... Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use ...
Errata - Silicon Labs
Errata - Silicon Labs

μ  PD166020T1F Data Sheet
μ PD166020T1F Data Sheet

... 3.6.3 Power Dissipation under Reverse Battery Condition In case of reverse battery condition, internal N-ch MOSFET is turned on to reduce the power dissipation by body diode. Additional power is dissipated by the internal resister. Following is the formula for estimation of total power dissipation P ...
MIC502 - Microchip
MIC502 - Microchip

ZXTPS718MC
ZXTPS718MC

... applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any prod ...
Institutionen för systemteknik
Institutionen för systemteknik

electronic circuits
electronic circuits

... The error amplifier compares a sample of the regulator Vo to an internal Vref. The difference or error voltage is amplified and applied to a modulator where it is compared to a triangle waveform. The result is an output pulse whose width is proportional to the error voltage. Darlington transistors a ...
An analysis of the relationships between subthreshold electrical
An analysis of the relationships between subthreshold electrical

SMARTHOME™ 1-800-SMART-HOME 949-221
SMARTHOME™ 1-800-SMART-HOME 949-221

... NDiE: A Surge Suppressor receptacle in a feedthrough branch circuit will provide protection only for loads plugged directly into it. It WILL NOT provide protection to any other receptacles on the same branch circuit. Furthermore,although replacing a feed-through receptacle with a Surge Suppressor re ...
A BICMOS logic circuit with a CML output
A BICMOS logic circuit with a CML output

... FIG. 2 shows a logic circuit 30 in accordance with the present invention. Logic circuit 30 comprises resistors 31 and 32, a CMOS transistor portion 33, a bipolar transistor portion 35, an NPN reference transistor 37, voltage dropping portion 39, and a current source 43. In the illustrated embodiment ...
Secondary-Side Controller with Current Share and Housekeeping ADM1041A
Secondary-Side Controller with Current Share and Housekeeping ADM1041A

... rectifier fails and causes a short. This eliminates the risk of bringing down the load voltage that is supplied by the redundant configuration of other power supplies. In the case of a short, a reverse voltage is generated across the OrFET. This reverse voltage is detected by the ADM1041A and the Or ...
64-Position OTP Digital Potentiometer AD5171  FEATURES
64-Position OTP Digital Potentiometer AD5171 FEATURES

... who do not need to reprogram new memory settings in the digital potentiometer. This device performs the same electronic adjustment function as most mechanical trimmers and variable resistors. The AD5171 is programmed using a 2-wire, I2C®compatible digital control. It allows unlimited adjustments bef ...
Transformer: Principles and Practices
Transformer: Principles and Practices

... (iii) self-inductance and mutual inductance are zero, (iv) no losses due to resistance, inductance, hysteresis or eddy current and (v) coefficient of coupling is unity. Figure 2.3a shows an ideal transformer where the secondary winding is left open. A small magnetizing current Im will flow in the pri ...
Low-Drift Bidirectional Low-Side Current
Low-Drift Bidirectional Low-Side Current

MAX CHARGE MC-624
MAX CHARGE MC-624

LTM4603HV - 6A, 28VIN DC/DC uModule with PLL, Output Tracking and Margining
LTM4603HV - 6A, 28VIN DC/DC uModule with PLL, Output Tracking and Margining

... VIN (Bank 1): Power Input Pins. Apply input voltage between these pins and PGND pins. Recommend placing input decoupling capacitance directly between VIN pins and PGND pins. VOUT (Bank 3): Power Output Pins. Apply output load between these pins and PGND pins. Recommend placing output decoupling capa ...
READY Ignition Systems Chapter.p65
READY Ignition Systems Chapter.p65

Using the ECC HTML Pages
Using the ECC HTML Pages

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Electrical ballast



An electrical ballast is a device intended to limit the amount of current in an electric circuit. A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic.Ballasts vary in design complexity. They can be as simple as a series resistor or inductor, capacitors, or a combination thereof or as complex as electronic ballasts used with fluorescent lamps and high-intensity discharge lamps.
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