Ads
related to: op amp series regulator
Search results
Results From The WOW.Com Content Network
Dual op-amps with fixed 2.5 V reference [20] LM611 Op-amp with an adjustable voltage reference [21] LM614 Quadruple op-amps with an adjustable voltage reference [22] LM675 Power op-amp with a maximal current output of 3 amperes [23] LM709 Yes General-purpose op-amp [24] LM741 LM709 General-purpose op-amp. [25] Widely used. LM747: Yes
This op amp was based on a descendant of Loebe Julie's 1947 design and, along with its successors, would start the widespread use of op amps in industry. GAP/R model P45: a solid-state, discrete op amp (1961). 1961: A discrete IC op amp. With the birth of the transistor in 1947, and the silicon transistor in 1954, the concept of ICs became a ...
Adjustable 1.5 A positive voltage regulator (1.25 V-37 V) [8] LM13700: Two current controlled operational transconductance amplifiers (OTA), each having differential inputs and a push-pull output. LM393 No Dual Differential Comparator [9] LM358: No Low power, wide supply range dual op-amps [10] LM386: Low voltage audio power amplifier [11] LM3875
Series regulators are the more common form; they are more efficient than shunt designs. The series regulator works by providing a path from the supply voltage to the load through a variable resistance, usually a transistor (in this role it is usually termed the series pass transistor); it is in the "top half" of the voltage divider - the bottom half being the load.
Reference voltage vs free-air temperature at test conditions. Design-center (middle plot) and worst-case deviation of ±2% (upper and lower plots) [12] The nominal reference voltage, V REF =2.495 V, stated in a datasheet, is tested in zener mode at an ambient temperature of +25 °C (77 °F), and I CA =10 mA. [13]
where Z dif is the op-amp's input impedance to differential signals, and A OL is the open-loop voltage gain of the op-amp (which varies with frequency), and B is the feedback factor (the fraction of the output signal that returns to the input). [3] [4] In the case of the ideal op-amp, with A OL infinite and Z dif infinite, the input impedance ...
Linear regulators are based on devices that operate in their linear region (in contrast, a switching regulator is based on a device forced to act as an on/off switch). Linear regulators are also classified in two types: series regulators; shunt regulators; In the past, one or more vacuum tubes were commonly used as the variable resistance.
Philips LM358D LM358 pinout LM358 die photo. The LM358 is a low-power dual operational amplifier integrated circuit, originally introduced by National Semiconductor. [1]It uses a single power supply from +3 to +30 volts for V CC (though some variants go higher, such as 36 volts for the LM358B).