Electronic Devices (Conventional Current Version) (What's New in Trades & Technology) (10th Edition)

Chapter 17

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; Line regulation in percentage change per volt ... more

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The load regulation in percentage and percentage ... more

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The percentage change in the output voltage is ... more

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The percentage change in the output voltage is ... more

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In percentage, In percentage per volt, ; The line ... more

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The percentage change in the output voltage is ... more

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; The regulated output voltage is calculated by ... more

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; When load resistance is shorted, then the ... more

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Sampling unit, error detector unit, control unit, ... more

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; The output voltage of the regulator is equal ... more

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Fold-back current limitation is a technique used ... more

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; Maximum power dissipation occurs across ... more

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The control element of a shunt regulator is ... more

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A current limitation is already present in the ... more

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Step-up, step-down, and inverting. ; There are ... more

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A switching voltage regulator has significantly ... more

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To regulate the output voltage of the switching ... more

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; The output voltage is calculated by using the ... more

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Output terminal, Input terminal, and Ground ... more

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For IC 7809, and for IC 7915, ; An integrated ... more

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Output terminal, Input terminal, and Adjustment ... more

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A voltage divider with two resistors. ; An ... more

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; Consider that a current, , can switch ON the ... more

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; The load current is calculated by dividing the... more

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; The regulator 7808 will produce an output ... more

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A pass transistor boosts the regulator's output ... more

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Current limiting protects the regulator from being... more

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Thermal overload is a condition that occurs due to... more

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and   ; As per the datasheet, the nominal minimum... more

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; As per the datasheet, the maximum change in the... more

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; Consider that the maximum load current is ... more

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; Consider the maximum voltage across resistor ... more

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The primary current is , and the fuse rating ... more

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The circuit schematic and the printed circuit ... more

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; The voltage across the regulator is equal to ... more

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; The voltage across the regulator is equal to ... more

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The tendency of a power supply to keep a constant ... more

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The output voltage in load regulation depends on ... more

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Voltage regulators are divided into two categories... more

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The two basic linear regulators are series and ... more

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Switching regulators are classified into three ... more

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An integrated circuit (IC) 78XX is a series ... more

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To improve the regulator's current capacity, an ... more

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The external pass transistor of the regulator is ... more

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A voltage regulator should have a heat sink ... more

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A variable pulse-width modulator is used in ... more

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There is no direct proportionality relation ... more

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The output voltage is defined as,Where, is the ... more

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There is no direct proportionality relation ... more

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The maximum load current that can pass through ... more

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Power dissipation in resistance does not have ... more

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When the duty cycle increases, on-time will ... more

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The output voltage and the resistance are ... more

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There is no direct proportionality relation ... more

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Zener diode voltage depends on the temperature. ... more

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Zener diode voltage depends on the temperature. ... more

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The control element is connected between the input... more

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The same amount of the current is handled by the ... more

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The control unit is connected between the output ... more

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Current limiting protects the pass transistor, by ... more

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A small part of the time is conducted on the ... more

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In a shunt regulator, the control element is ... more

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In the switching regulator, the control transistor... more

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The 79XX series of IC (integrated circuits) ... more

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The sole reason for the use of a regulator, is to ... more

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; Change in input voltage is calculated by ... more

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; Change in input voltage is calculated by ... more

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; The voltage load regulation is calculated by ... more

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; The voltage load regulation is calculated by ... more

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; The mentioned blocks in the diagram are ... more

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; The regulated output voltage is calculated by ... more

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; The regulated output voltage is calculated by ... more

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The output voltage will decrease by . ; The ... more

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; The regulated output voltage is calculated by ... more

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The value of the resistor and the power rating is... more

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; The maximum load current is equal to the ... more

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The difference voltage at the op-amp terminal will... more

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; The change in voltage at the resistance is ... more

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; The regulated output voltage is calculated by ... more

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The maximum current flowing at the output is and ... more

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; The time period of the transistor is inversely... more

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The duty cycle of the transistor is and in ... more

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When the transistor is off then the diode will ... more

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When the ON time of the transistor decreases then... more

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; The output voltage is calculated by using the ... more

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and ; When the resistance has a minimum value ... more

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; The output voltage is calculated by using the ... more

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and ; Consider a negligible current is flowing ... more

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; The voltage across the external resistance is ... more

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; The load current is calculated by dividing the... more

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The value of the limiting resistor will be . ; To ... more

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; Consider a negligible current is flowing ... more

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; Consider a negligible current is flowing ... more

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Connect pin 7 to the input voltage pin 6. ; The ... more

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