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File - BZ eLAB
File - BZ eLAB

... Diode is a two terminal semiconductor device with an ability to conduct current only in one direction after a certain amount of voltage called barrier potential is applied to it in a proper way. Diode is one of great invention which is used in many applications such as rectifier circuits, voltage li ...
$doc.title

... When using the TLV4120 to drive heavy differential loads, care must be taken not to saturate the output of the first amplifier, as the second amplifier will produce a mirror image (about VDD/2) of the first amplifier’s output. This can lead to asymmetrical differential output swings. This differenti ...
Improved high-voltage resonant controller
Improved high-voltage resonant controller

... specific to series-resonant half bridge topology. It provides 50% complementary duty cycle: the high-side switch and the low-side switch are driven ON/OFF 180° out-of-phase for exactly the same time. Output voltage regulation is obtained by modulating the operating frequency. A fixed deadtime insert ...
Lecture Notes (6 and 7
Lecture Notes (6 and 7

... This happens because of the feed-forward terms. Consider Fig. 6-2: The various ways in which the feed-forward currents can produce zero gain do not depend on the input and output cavity tuning. All feed-forward currents from the input cavity are in phase, irrespective of its tuning, and the output ...
LTC3704 - Wide Input Range, No RSENSE Positive-to
LTC3704 - Wide Input Range, No RSENSE Positive-to

... operation, if the error amplifier EA drives the ITH voltage below 0.525V, the buffered ITH input to the current comparator C1 will be clamped at 0.525V (which corresponds to 25% of maximum load current). The inductor current peak is then held at approximately 30mV divided by the power MOSFET RDS(ON) ...
FAN3100 Single 2A High-Speed, Low-Side Gate Driver
FAN3100 Single 2A High-Speed, Low-Side Gate Driver

... To enable this IC to turn a power device on quickly, a local, high-frequency, bypass capacitor CBYP with low ESR and ESL should be connected between the VDD and GND pins with minimal trace length. This capacitor is in addition to bulk electrolytic capacitance of 10µF to 47µF often found on driver an ...
AP7363 Description Pin Assignments
AP7363 Description Pin Assignments

... 4. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated are not implied. Exposure to absolute-maximum rated conditions for ext ...
ADuM3441 数据手册DataSheet下载
ADuM3441 数据手册DataSheet下载

basic electronics lab manual - Muffakham Jah College of
basic electronics lab manual - Muffakham Jah College of

LABORATORY WORK BOOK For The Course EL
LABORATORY WORK BOOK For The Course EL

... an astable multivibrator is shown in figure f7.01. Note that this circuit does not need an input signal. To find out the relations governing the operation of the astable, we start with the usual hypothesis that the operational amplifier has an ideal behavior. Suppose the output is in the state Vo = ...
MAX1716/MAX1854/MAX1855 High-Speed, Adjustable, Synchronous Step-Down Controllers with Integrated Voltage Positioning General Description
MAX1716/MAX1854/MAX1855 High-Speed, Adjustable, Synchronous Step-Down Controllers with Integrated Voltage Positioning General Description

... proprietary Quick-PWM™ quick-response, constant-ontime PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency. The MAX1716/MAX1854/MAX1855 are designed specifically ...
$doc.title

... Supply voltage, VCC+ (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 V Supply voltage, VCC − . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
LP3918 Battery Charge Management and Regulator Unit (Rev. D)
LP3918 Battery Charge Management and Regulator Unit (Rev. D)

... All voltages are with respect to the potential at the GND pin. Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device is specified. Operating Ratings do not imply performance limits. For performance limits ...
Bipolar Junction Transistor Characterization
Bipolar Junction Transistor Characterization

... the collector to base currents: F = IC/IB. This is perhaps the single most important parameter for characterization of the BJT. F depends upon many factors and can be measured at many different points on the characteristic curves. In circuit design F gets used as a constant proportionality factor ...
LMK60E2-150M, LMK60E2-156M
LMK60E2-150M, LMK60E2-156M

... 9.1 Layout Guidelines The following sections provides recommendations for board layout, solder reflow profile and power supply bypassing when using LMK60XX to ensure good thermal / electrical performance and overall signal integrity of entire system. 9.1.1 Ensuring Thermal Reliability The LMK60XX is ...
- Richtek
- Richtek

... The voltage that is provided by the battery exhibit severe drops during cranking of the engine, and can drop as low as 3V during cold cranking. Overvoltage can also happen when the car battery is disconnected while the alternator is providing charge current to the battery. The initial filter and cla ...
MAX8790 Six-String White LED Driver with Active General Description
MAX8790 Six-String White LED Driver with Active General Description

... The MAX8790 is a high-efficiency driver for white lightemitting diodes (LEDs). It is designed for large liquidcrystal displays (LCDs) that employ an array of LEDs as the light source. A current-mode step-up controller drives up to six parallel strings of multiple series-connected LEDs. Each string i ...
MAX17409 1-Phase Quick-PWM GPU Controller General Description Features
MAX17409 1-Phase Quick-PWM GPU Controller General Description Features

... Low-Voltage Logic-Input High Voltage ...
LTM8025 - 36V, 3A Step-Down uModule Converter
LTM8025 - 36V, 3A Step-Down uModule Converter

... switches to Burst Mode® operation in light load situations. Between bursts, all circuitry associated with controlling the output switch is shut down reducing the input supply current to 50μA in a typical application. The oscillator reduces the LTM8025’s operating frequency when the voltage at the AD ...
LTC1734L-4.2
LTC1734L-4.2

... some current from the supply (ISHDN), but only a negligible leakage current is delivered to the battery (IBMS). Shutdown can also be accomplished by pulling the otherwise grounded end of the program resistor to a voltage greater than 2.25V (VMSDTMax). Charging will cease above 1.5V, but the internal ...
AAT3177 数据资料DataSheet下载
AAT3177 数据资料DataSheet下载

VCA810 数据资料 dataSheet 下载
VCA810 数据资料 dataSheet 下载

0261 - Optocoupler, Phototransistor Output With Base Connector
0261 - Optocoupler, Phototransistor Output With Base Connector

... 3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C (transitional substances) respectively. Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances. ...
Transients and inductance
Transients and inductance

... In In aa capacitor, capacitor, the the charge charge QQ will will rise rise to to 63% 63% of of its its maximum maximum value value in in one one time time constant constant  ...
LT1963A Series - 1.5A, Low Noise, Fast Transient Response LDO
LT1963A Series - 1.5A, Low Noise, Fast Transient Response LDO

... to < 1µA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1963A regulators have very low output noise which makes them ideal for sensitive RF supply applications. Output voltage range i ...
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Wilson current mirror



A Wilson current mirror is a three-terminal circuit (Fig. 1) that accepts an input current at the input terminal and provides a ""mirrored"" current source or sink output at the output terminal. The mirrored current is a precise copy of the input current. It may be used as a Wilson current source by applying a constant bias current to the input branch as in Fig. 2. The circuit is named after George R. Wilson, an integrated circuit design engineer who worked for Tektronix. Wilson devised this configuration in 1967 when he and Barrie Gilbert challenged each other to find an improved current mirror overnight that would use only three transistors. Wilson won the challenge.
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