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General Description Features
General Description Features

... dimming driver designed to drive an external p-channel in series with the LED string provides wide-range dimming control. This feature provides extremely fast PWM current switching to the LEDs with no transient overvoltage or undervoltage conditions. In addition to PWM dimming, the ICs provide analo ...
A8503 Datasheet - Allegro Microsystems
A8503 Datasheet - Allegro Microsystems

... Functional Block Diagram ...
A REMOTELY CONTROLLED ELECTRON GUN FOR A 200 keV ELECTROSTATIC ACCELERATOR By
A REMOTELY CONTROLLED ELECTRON GUN FOR A 200 keV ELECTROSTATIC ACCELERATOR By

AP1506  150KHz, 3A PWM BUCK DC/DC CONVERTER Description
AP1506 150KHz, 3A PWM BUCK DC/DC CONVERTER Description

... curve can be used for a quick check for the approximate junction temperature for various conditions, but be aware that there are many factors that can affect the junction temperature. When load currents higher than 3A are used, double sided or multi-layer PC boards with large copper areas and/or air ...
Eine 100 Watt Endstufe
Eine 100 Watt Endstufe

... winding toroids). Assemble one filter section at a time starting with the 160, 80, 40meter filter, then the 30-meter filter. With the switch mounting position at your upper left, the filter input (C1) is near the top edge of the board and the filter output (C3) is near the bottom edge. The last two ...
MAX4473 Low-Cost, Low-Voltage, PA Power Control Amplifier for GSM Applications General Description
MAX4473 Low-Cost, Low-Voltage, PA Power Control Amplifier for GSM Applications General Description

... PA until the voltage drop across RSENSE equals the voltage drop across external gain resistor, RG1. The voltage drop across RG1 sets the voltage drop across RSENSE, with a larger voltage drop resulting in more current delivered to the PA. The voltage drop across RG1 is set by A1, A2, and the V-to-I ...
design a three phase controlled rectifier for use in the laboratory
design a three phase controlled rectifier for use in the laboratory

Real-Time
Real-Time

... effects and incorporates the updated electrothermal models of power modules into digital controllers. Currently, the real-time estimator is emerging as an important tool for active control of device junction temperature as well as on-line health monitoring for power electronic systems but its therma ...
Rectifier Fundamentals Filtered Full Wave Bridge
Rectifier Fundamentals Filtered Full Wave Bridge

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ZXTP19020DZ Features Mechanical Data

... Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Inc ...
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Dc Motor Power Control

FMMT6520 Features and Benefits Mechanical Data
FMMT6520 Features and Benefits Mechanical Data

... Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Inc ...
Resuscitation Will medical examination gloves protect rescuers from
Resuscitation Will medical examination gloves protect rescuers from

... apply the voltage to the gloves and monitor current flow. The voltage across the glove was manually increased and allowed to dwell at each level long enough for the current to stabilize. Current values were recorded at 100 V, 200 V, 500 V, and 500 V increments thereafter until the current exceeded th ...
DMN30H4D0LFDE Product Summary Features
DMN30H4D0LFDE Product Summary Features

... indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more U ...
AN-8208 — Introduction to Automotive Ignition Systems
AN-8208 — Introduction to Automotive Ignition Systems

... higher ignition voltages. There is a trade-off of the ignition coil’s turns ratio (Tratio). A higher turns ratio helps reduce the requirement on ignition IGBT’s clamping voltage, but complicates the coil design, compromises the coil’s performance, and possibly increases the cost of the coil. The spa ...
TNY274-280 - Power Integrations
TNY274-280 - Power Integrations

... that of the next smaller device size. Use of a 10 μF capacitor results in the current limit being increased to that of the next larger device size for TNY275-280. 3. It provides a shutdown function. When the current into the bypass pin exceeds ISD, the device latches off until the BP/M voltage drops ...
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Understanding Motor Driver Current Ratings

... In most cases, the thermal limit is the dominant factor in determining the maximum current a motor driver can provide. This current level is not simple to calculate, as it depends greatly on conditions that the IC manufacturer does not control, like PCB design and ambient temperature. For further in ...
TPS75601 数据资料 dataSheet 下载
TPS75601 数据资料 dataSheet 下载

... device will be in shutdown or sleep mode. When EN goes to a high voltage level (> 2 V), the device will be enabled. Feedback (FB) FB is an input terminal used for the adjustable-output option and must be connected to the output terminal either directly, in order to generate the minimum output voltag ...
AN 043 1/9 E521.14 CAN/LIN SBC WITH DC/DC BUCK
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... regulator can be enabled or disabled via Jumper JP3. The converters operate with their own switching frequency, controlled by duty cycle, the external components and (to a lesser extend) the load current. The internal PFM controllers operate as bang-bang regulators, and the switching frequency depen ...
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... Part Numbers CI-6503 CI-6556 EM-8656 ...
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Features General Description

... line. The peak-charging effect, which occurs on the input filter capacitor in these supplies, causes brief high-amplitude pulses of current to flow from the power line, rather than a sinusoidal current inphase with the line voltage. Such supplies present a power factor to the line of less than one (i. ...
AP5724 Description Pin Assignments
AP5724 Description Pin Assignments

... Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Inc ...
TPS76701-Q1 数据资料 dataSheet 下载
TPS76701-Q1 数据资料 dataSheet 下载

... NC − No internal connection Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 1 A for the TPS76750) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven devic ...
FET Basics - Brookdale Community College
FET Basics - Brookdale Community College

Complete Paper
Complete Paper

... Power converters have required improvement in the power efficiency as well as reduction of size and weight especially in mobile information/communication devices, traction converters, power control units for electric/hybrid vehicle, etc. Passive components and cooling devices usually occupy a much l ...
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Transistor



A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. It is composed of semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current through another pair of terminals. Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal. Today, some transistors are packaged individually, but many more are found embedded in integrated circuits.The transistor is the fundamental building block of modern electronic devices, and is ubiquitous in modern electronic systems. Following its development in 1947 by American physicists John Bardeen, Walter Brattain, and William Shockley, the transistor revolutionized the field of electronics, and paved the way for smaller and cheaper radios, calculators, and computers, among other things. The transistor is on the list of IEEE milestones in electronics, and the inventors were jointly awarded the 1956 Nobel Prize in Physics for their achievement.
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