What is LDO (Low-Dropout Voltage Regulator) 2006/6 John Wu 吳旻翰
... (A) “Classic” NPN-based regulators that require 2.5 to 3V of excess input voltage to function.7805,317,340 (B) “Low Dropout NPN” regulators, with a NPN output but a PNP base drive circuit. These devices reduce the dropout requirement to 1.2 to 1.5V. (C) True low dropout PNP-based regulators that nee ...
... (A) “Classic” NPN-based regulators that require 2.5 to 3V of excess input voltage to function.7805,317,340 (B) “Low Dropout NPN” regulators, with a NPN output but a PNP base drive circuit. These devices reduce the dropout requirement to 1.2 to 1.5V. (C) True low dropout PNP-based regulators that nee ...
Fall 2009 - ece.utah.edu
... 3. (18 pts) A rechargeable battery is shorted with an ideal ammeter. The ammeter reads 1.5 A. The ammeter is replaced with an ideal voltmeter. The voltmeter reads 12 V. a) Draw a simple, reasonable model of the battery pack using ideal parts. Find the value of each part. ...
... 3. (18 pts) A rechargeable battery is shorted with an ideal ammeter. The ammeter reads 1.5 A. The ammeter is replaced with an ideal voltmeter. The voltmeter reads 12 V. a) Draw a simple, reasonable model of the battery pack using ideal parts. Find the value of each part. ...
LT1246/LT1247 - 1MHz Off-Line Current Mode PWM and DC/DC
... by two diodes (1.4V at 25 C), divided by a factor of three, and fed to the inverting input of the current sense comparator. For output voltages less than 1.4V the duty cycle of the output stage will be zero. The maximum offset that can appear at the current sense input is limited by a 1V clamp. This ...
... by two diodes (1.4V at 25 C), divided by a factor of three, and fed to the inverting input of the current sense comparator. For output voltages less than 1.4V the duty cycle of the output stage will be zero. The maximum offset that can appear at the current sense input is limited by a 1V clamp. This ...
Solid State Relays Input Resistor Selection
... collector-emitter voltage of the driving logic transistor I F is the forward current through the LED In choosing appropriate input resistors for a design, parameter variations must be considered. For the power source, consider power supply variations and tolerance. For LED voltage drop, manufacturin ...
... collector-emitter voltage of the driving logic transistor I F is the forward current through the LED In choosing appropriate input resistors for a design, parameter variations must be considered. For the power source, consider power supply variations and tolerance. For LED voltage drop, manufacturin ...
Lecture05 - madalina
... RC series circuit is a pulses current source? Can the current source pulses be asymmetrical? (from 0 on the current axis)? How does the voltage across the capacitor (or resistor) vary if the pulses have the same duration with the circuit time constant? Make the analysis starting with the initial ...
... RC series circuit is a pulses current source? Can the current source pulses be asymmetrical? (from 0 on the current axis)? How does the voltage across the capacitor (or resistor) vary if the pulses have the same duration with the circuit time constant? Make the analysis starting with the initial ...
Transil™, transient voltage surge suppressor
... 1. The curves in Figure 5 are specified for a junction temperature of 25 °C before surge. The given results may be extrapolated for other junction temperatures by using the following formula: VBR = T x [Tamb -25] x VBR(25 °C) For intermediate voltages, extrapolate the given results. ...
... 1. The curves in Figure 5 are specified for a junction temperature of 25 °C before surge. The given results may be extrapolated for other junction temperatures by using the following formula: VBR = T x [Tamb -25] x VBR(25 °C) For intermediate voltages, extrapolate the given results. ...
settling time - Center for Detectors
... reality, we know that the transimpedance of the output FET changes as a function of signal swing, so clearly the settling time is not constant for all pixel values and the output impedance actually changes during settling. This effect was modeled using the SPICE circuit in Figure 2. We used the J2N4 ...
... reality, we know that the transimpedance of the output FET changes as a function of signal swing, so clearly the settling time is not constant for all pixel values and the output impedance actually changes during settling. This effect was modeled using the SPICE circuit in Figure 2. We used the J2N4 ...
BDTIC www.BDTIC.com/infineon TLV4906K
... Precise magnetic switching thresholds and high temperature stability are achieved by active compensation circuits and chopper techniques on chip. Offset voltages generated by temperature-induced stress or overmolding are canceled so that high accuracy is achieved. The IC has an open collector output ...
... Precise magnetic switching thresholds and high temperature stability are achieved by active compensation circuits and chopper techniques on chip. Offset voltages generated by temperature-induced stress or overmolding are canceled so that high accuracy is achieved. The IC has an open collector output ...
AP3171 N E W P R O D U C T Description Features Pin
... Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: ...
... Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: ...
NE555 (KA555) Single Timer
... 3. This will determine maximum value of RA + RB for 15V operation, the max. total R = 20MΩ, and for 5V operation the max. total R = 6.7MΩ ...
... 3. This will determine maximum value of RA + RB for 15V operation, the max. total R = 20MΩ, and for 5V operation the max. total R = 6.7MΩ ...
Carvin Biasing The Vintage Series
... We want to keep the total amount dissipated under 70%. The EL84 tubes used in the Nomad are rated at 12 watts maximum dissipation, 12 x 70% = 8.4, so at 7.3 watts we are well under 70% of max dissipation, this is good for the tubes for long life. And we are well above the range where crossover disto ...
... We want to keep the total amount dissipated under 70%. The EL84 tubes used in the Nomad are rated at 12 watts maximum dissipation, 12 x 70% = 8.4, so at 7.3 watts we are well under 70% of max dissipation, this is good for the tubes for long life. And we are well above the range where crossover disto ...
INTEGRATED CIRCUITS
... Smaller systems can use an LED with a typical voltage drop of 1.8V to generate the 3V from a 5V supply (see Figure 1), while bigger systems will require an LDO (Low Drop-Out regulator) like the Philips TDA3663. The LED solution has the advantage of not drawing any additional current, which is partic ...
... Smaller systems can use an LED with a typical voltage drop of 1.8V to generate the 3V from a 5V supply (see Figure 1), while bigger systems will require an LDO (Low Drop-Out regulator) like the Philips TDA3663. The LED solution has the advantage of not drawing any additional current, which is partic ...