Electronic Devices-Voltage Regulators

Electronic Devices-Voltage Regulators
41. For an IC regulator, the input voltage must be at least 2 V above the regulated output voltage.
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42. A switching regulator can be configured as a step-up or a step-down voltage regulator.
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43. IC voltage regulators are sometimes called three-terminal regulators.
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44. Under no-load, a shunt regulator has minimum current through the control element.
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45. A basic voltage regulator consists largely of a reference source, an error detector, and a control device.
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46. Switching regulators are not very efficient.
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47. Load regulation is the percentage change in line voltage for a change in load voltage.
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48. A three-terminal regulator can be used with an external pass transistor to increase the total load current available.
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49. Line regulation is the percentage change in output voltage for a given change in input line current.
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