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CSPD - Chip Surge Protection Devices
CSPD - Chip Surge Protection Devices

... powder material and product technology to develop a creative new concept . We also get many patents from many countries, including the ”A” innovation patent (Material Composition Having core-Shell microstructure used for Varistor) and ”B” innovation patent (Surge Absorbing Material with Dual Functio ...
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... Short-circuit current (ISC) is equivalent to current limit. To minimize thermal effects during testing, ISC is measured with VOUT pulled to 100 mV below its nominal voltage. Reverse current (IRO) is measured at the IN pin. Quiescent current is defined here as the difference in current between the in ...
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SP3223E 数据资料DataSheet下载
SP3223E 数据资料DataSheet下载

... connects the negative terminal of C2 to the VSS storage capacitor and the positive terminal of C2 to GND. This transfers a negative generated voltage to C3. This generated voltage is regulated to a minimum voltage of -5.5V. Simultaneous with the transfer of the voltage to C3, the positive side of ca ...
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RH1185AMK - Negative Regulator with Adjustable Current Limit
RH1185AMK - Negative Regulator with Adjustable Current Limit

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... A continuous and closed path through which an electric current flows is called an electric circuit or closed circuit. If the circuit is broken anywhere or the switch is turned off and the current stops flowing are called an open circuit.  A switch is a device that makes a circuit open or close. Q. ...
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... of operation, if the device does not sense valid signal transitions on all receiver and driver inputs for 30 s, the built-in charge-pump and drivers are powered down, reducing the supply current to 1 µA. By disconnecting the serial port or placing the peripheral drivers off, auto-powerdown plus will ...
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AD5532B: 英文产品数据手册下载

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LP5900 - Texas Instruments
LP5900 - Texas Instruments

... Quiescent current is defined here as the difference in current between the input voltage source and the load at the OUT pin. Ground current is defined here as the total current flowing to ground as a result of all input voltages applied to the device. Dropout voltage is the voltage difference betwee ...
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... 2. Start the LabVIEW program. 3. Close the switch. 4. Record both the voltage and the current in the appropriate place in your Excel workbook. Include estimates of their uncertainty. 5. After a few moments stop the LabVIEW program and open the switch so that current does not flow. 6. Remove one of t ...
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... DMM has a default auto meter off function. If the meter is idle for more than 15 minuets ,the meter automatically turns the power off. When MoFF happens, the state of the meter is saved. The “MoFF”(16) sign on the LCD panel indicates whether the MoFF is enabled or not. In some cases, user might want ...
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... source load. Therefore, the device is tested while operating in dropout. This is the worst-case GND pin current. GND pin current decreases at higher input voltages. Note 9. The SET pin is clamped to OUT with diodes through 12k resistors. These resistors and diodes only carry current under transient ...
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AD5516: 英文产品数据手册下载

... Analog Supply Pins. Voltage range from 4.75 V to 5.25 V. VDD Supply Pins. Voltage range from 4.75 V to 15.75 V. VSS Supply Pins. Voltage range from –4.75 V to –15.75 V. Digital GND Pins Digital Supply Pin. Voltage range from 2.7 V to 5.25 V. Reference GND Supply for All 16 DACs Reference Input Volta ...
MAX3946 1Gbps to 11.3Gbps, SFP+ Laser Driver with Laser Impedance Mismatch Tolerance
MAX3946 1Gbps to 11.3Gbps, SFP+ Laser Driver with Laser Impedance Mismatch Tolerance

... The unique design of the output stage enables use of unmatched TOSAs, greatly reducing headroom limitations and lowering power consumption. The device receives differential CML-compatible signals with on-chip line termination. It can deliver laser modulation current of up to 80mA, at an edge speed o ...
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single-time-constant circuits
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... formed of an inductance L and a resistance R has a time constant τ = L/R. The time constant τ of an STC circuit composed of a capacitance C and a resistance R is given by τ = CR. Although STC circuits are quite simple, they play an important role in the design and analysis of linear and digital circ ...
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Current mirror

A current mirror is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading. The current being 'copied' can be, and sometimes is, a varying signal current. Conceptually, an ideal current mirror is simply an ideal inverting current amplifier that reverses the current direction as well or it is a current-controlled current source (CCCS). The current mirror is used to provide bias currents and active loads to circuits. It can also be used to model a more realistic current source (since ideal current sources don't exist).The circuit topology covered here is one that appears in many monolithic ICs. It is a Widlar mirror without an emitter degeneration resistor in the follower (output) transistor. This topology can only be done in an IC as the matching has to be extremely close and cannot be achieved with discretes.Another topology is the Wilson mirror. The Wilson mirror solves the Early effect voltage problem in his design.
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