LM3670 - Texas Instruments
... either a single Li-Ion or three-cell NiMH/NiCd battery to portable devices such as cell phones and PDAs. Using a voltage mode architecture with synchronous rectification, the LM3670 can deliver up to 350 mA depending on the input voltage and output voltage (voltage head room), and the inductor chose ...
... either a single Li-Ion or three-cell NiMH/NiCd battery to portable devices such as cell phones and PDAs. Using a voltage mode architecture with synchronous rectification, the LM3670 can deliver up to 350 mA depending on the input voltage and output voltage (voltage head room), and the inductor chose ...
REF3212 数据资料 dataSheet 下载
... The REF32xx is a family of CMOS, precision bandgap voltage references. Figure 1 shows the basic bandgap topology. Transistors Q1 and Q2 are biased so that the current density of Q1 is greater than that of Q2. The difference of the two base-emitter voltages (Vbe1 – Vbe2) has a positive temperature co ...
... The REF32xx is a family of CMOS, precision bandgap voltage references. Figure 1 shows the basic bandgap topology. Transistors Q1 and Q2 are biased so that the current density of Q1 is greater than that of Q2. The difference of the two base-emitter voltages (Vbe1 – Vbe2) has a positive temperature co ...
Single/Dual/Quad, Ultra-High-Speed, +3V/+5V, Beyond-the-Rails Comparators MAX961–MAX964/MAX997/MAX999 _________________General Description
... is pulled high. All timing constraints must be met when using the latch function (Figure 2). ...
... is pulled high. All timing constraints must be met when using the latch function (Figure 2). ...
Evaluation Board User Guide UG-116
... is monitored while its input is varied. For good line regulation, the output must change as little as possible with varying input levels. To ensure that the device is not in dropout mode during this measurement, VIN must be varied between VOUT nominal + 0.4 V (or 2.2 V, whichever is greater) and VIN ...
... is monitored while its input is varied. For good line regulation, the output must change as little as possible with varying input levels. To ensure that the device is not in dropout mode during this measurement, VIN must be varied between VOUT nominal + 0.4 V (or 2.2 V, whichever is greater) and VIN ...
ANSWERS
... 1. bDC = IC 兾IB; aDC = IC 兾IE; hFE is bDC. 2. bDC = 100; aDC = 100兾(100 + 1) = 0.99 3. IC is plotted versus VCE. 4. Forward-reverse bias is required for amplifier operation. 5. bDC increases with temperature. 6. No. bDC generally varies some from one device to the next for a given type. ...
... 1. bDC = IC 兾IB; aDC = IC 兾IE; hFE is bDC. 2. bDC = 100; aDC = 100兾(100 + 1) = 0.99 3. IC is plotted versus VCE. 4. Forward-reverse bias is required for amplifier operation. 5. bDC increases with temperature. 6. No. bDC generally varies some from one device to the next for a given type. ...
LT Journal of Analog Innovation V26N2
... current sensing accuracy without sacrificing efficiency. LED drivers must do this while managing current delivery to multiple independent LED loads at high speeds, and be able to connect parallel drivers with accurate current sharing. Some high power LEDs have unique mechanical and electrical consid ...
... current sensing accuracy without sacrificing efficiency. LED drivers must do this while managing current delivery to multiple independent LED loads at high speeds, and be able to connect parallel drivers with accurate current sharing. Some high power LEDs have unique mechanical and electrical consid ...
active power filters based on a single current measurement system
... As it is known, active power filters are used for compensating the reactive power and the low-order current harmonics generated by a non-linear load. The maximum harmonic order that an active filter is able to compensate determines the filter bandwidth. As a result of the active filter operation, th ...
... As it is known, active power filters are used for compensating the reactive power and the low-order current harmonics generated by a non-linear load. The maximum harmonic order that an active filter is able to compensate determines the filter bandwidth. As a result of the active filter operation, th ...
MAX5038/MAX5041 Dual-Phase, Parallelable, Average Current
... Controllers The MAX5038/MAX5041 dual-phase, PWM controllers provide high-output-current capability in a compact package with a minimum number of external components. The MAX5038/MAX5041 utilize a dual-phase, average current-mode control that enables optimal use of low RDS(ON) MOSFETs, eliminating th ...
... Controllers The MAX5038/MAX5041 dual-phase, PWM controllers provide high-output-current capability in a compact package with a minimum number of external components. The MAX5038/MAX5041 utilize a dual-phase, average current-mode control that enables optimal use of low RDS(ON) MOSFETs, eliminating th ...
ADP172 数据手册DataSheet 下载
... controlled by the error amplifier. The error amplifier compares the reference voltage with the feedback voltage from the output and amplifies the difference. If the feedback voltage is lower than the reference voltage, the gate of the PMOS device is pulled lower, allowing more current to pass and in ...
... controlled by the error amplifier. The error amplifier compares the reference voltage with the feedback voltage from the output and amplifies the difference. If the feedback voltage is lower than the reference voltage, the gate of the PMOS device is pulled lower, allowing more current to pass and in ...
DS90LV110AT 1 to 10 LVDS Data/Clock Distributor with Failsafe DS90LV110AT FEATURES DESCRIPTION
... Circuit board layout and stack-up for the DS90LV110A should be designed to provide noise-free power to the device. Good layout practice also will separate high frequency or high level inputs and outputs to minimize unwanted stray noise pickup, feedback and interference. Power system performance may ...
... Circuit board layout and stack-up for the DS90LV110A should be designed to provide noise-free power to the device. Good layout practice also will separate high frequency or high level inputs and outputs to minimize unwanted stray noise pickup, feedback and interference. Power system performance may ...
LM73605 SIMPLE SWITCHER® 3.5V to 36V, 5A Synchronous Step
... converter capable of driving up to 5 A of load current from an input of up to 36 V. The LM73605 provides exceptional efficiency and output accuracy in a very small solution size. Peak current mode control is employed. Additional features such as adjustable switching frequency, synchronization, power ...
... converter capable of driving up to 5 A of load current from an input of up to 36 V. The LM73605 provides exceptional efficiency and output accuracy in a very small solution size. Peak current mode control is employed. Additional features such as adjustable switching frequency, synchronization, power ...
real-time measurements
... • Very wide impedance range: 10-4 up to 1013 • Variable output resistance • Sample protection:high-power counter electrode signal output supports fast voltage and current limiters independent of the main control loop. Both voltage and current limits continuously adjustable and operate simultaneo ...
... • Very wide impedance range: 10-4 up to 1013 • Variable output resistance • Sample protection:high-power counter electrode signal output supports fast voltage and current limiters independent of the main control loop. Both voltage and current limits continuously adjustable and operate simultaneo ...
INA117 数据资料 dataSheet 下载
... Of course, if a buffer amplifier is added as shown in Figure 7, both inputs see a low source impedance, and the sense resistor is not loaded. As a result, there is no gain error or CMR degradation. The buffer amplifier can operate as a unity gain buffer or as an amplifier with non-inverting gain. Ga ...
... Of course, if a buffer amplifier is added as shown in Figure 7, both inputs see a low source impedance, and the sense resistor is not loaded. As a result, there is no gain error or CMR degradation. The buffer amplifier can operate as a unity gain buffer or as an amplifier with non-inverting gain. Ga ...
91 accracy invetigations.p65
... Calculations with potential dividers are only accurate if the load is much larger than the resistances in the divider itself. In practical situations, a voltmeter must be used to provide an accurate value for the output p.d. ...
... Calculations with potential dividers are only accurate if the load is much larger than the resistances in the divider itself. In practical situations, a voltmeter must be used to provide an accurate value for the output p.d. ...
